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Toshiba Satellite L730 Maintenance Manual
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Toshiba Satellite L730 Maintenance Manual

Toshiba Satellite L730 Maintenance Manual

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Chapter 1
Hardware Overview
Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

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Summary of Contents for Toshiba Satellite L730

  • Page 1 Chapter 1 Hardware Overview Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 2: Table Of Contents

    Keyboard ........................13 Color Display ......................14 Power Rails ......................... 15 Batteries ........................16 1.8.1 Main Battery ..................16 1.8.2 Battery Charging Control ..............17 1.8.3 RTC battery ................... 18 AC Adapter ......................... 19 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 3 Time required for charges of main battery ............. 17 Table 1-8-3 Data preservation time ..................17 Table 1-8-4 Time required for charges of RTC battery ............18 Table 1-9-1 AC adapter specifications ................19 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 4: Features

    Chapter 1 Hardware Overview 1.1 Features The Satellite L730/Satellite 735/Satellite Pro 730 (Intel Platform) features are listed below. Microprocessor Microprocessor that is used will be different by the model. It supports processors as follows Intel® Huron River-Sandy Bridge Dual Core...
  • Page 5 SD/SDHC/MS/MS pro/MMC are supported. Bluetooth Combo with WLAN Bluetooth V3.0 + HS support ready (BT combo module with WLAN) (BTO) Security Kensington Lock, Hard Disk Drive Password 3D Accelerometer for Hard Disk Drive Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 6: Figure 1-1-1 Left Of The Computer

    Chapter 1 Hardware Overview 1. Power Button 2. DC-IN jack 3. USB2.0 port 4. USB2.0 port 5. ODD Figure 1-1-1 Left of the computer Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 7: Figure 1-1-2 Right Of The Computer

    11. Headphone Jack 12. Top Cover censer 13. LED light indicator 14. Touch Pad Control Right Button 15. Touch Pad 16. Touch Pad Control Left Button Figure 1-1-2 Right of the computer Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 8: System Block Diagram

    Chapter 1 Hardware Overview 1.2 System Block Diagram Figure 1-2-1 shows the system block diagram. Figure 1-2-1 System block diagram for Intel Platform Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 9  USB Controllers  RTC  GPIO  Enhanced Power Management  SMBus 2.0  High Definition Audio Controller Other main system chips • EC/KBC –[W/CIR(Winbond WPCE791CA0DG)] • HD Audio (CONEXANT CX20582-21Z) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 10 Chapter 1 Hardware Overview • Card Reader controller (REALTEAK RTS5209) • 10/100 LAN controller (Atheros AR8152) Mini Card Wireless LAN (BTO) IEEE802.11a/g/n Wireless WAN (BTO) HSPA Blue tooth Bluetooth V3.0 + HS support ready (BTO) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 11: Inch Hard Disk Drive

    Figure 1-3-1 shows a view of the 2.5-inch HDD and Tables 1-3-1 and 1-3-2 list the specifications. Figure 1-3-1 2.5-inch HDD Standard value Parameter MK3276GSXN MK5065GSXN MK6465GSXN MK7559GSXP Width 69.85 (mm) Height Outline (mm) Depth dimensions (mm) Weight (g) 101(typ.)/102(max.) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 12: Table 1-3-1 2.5-Inch Hdd Dimensions

    (formatted) Speed (RPM) 5400 Data transfer Rate - To/From Media 363~952MB/S - T0/From Host 3GB/S Bus Transfer Rate 3GB/S Average random seek time (read) (ms) Power-on-to-ready (sec) Table 1-3-2 2.5-inch HDD Specification Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 13: Optical Drive

    DVD+R DL :Max.3.3x-6X PCAV DVD+RW :Max.8X Zone CLV DVD-RAM :Max.3-5X PCAV (4.7GB) SATA interface (MB/s) CD-ROM 150ms (Typ.) Access time (ms) (Random) DVD-ROM 180ms (Typ.) Buffer memory Table 1-4-2 DVD Super Multi drive specifications Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 14: Table 1-4-3 Blue Ray Odd Outline Dimensions

    BD-R :6X CAV ( SL), 4XPCAV (DL) BD-RE :2X CLV ( SL), 2XCLV (DL) SATA interface (MB/s) CD-ROM 180ms (Typ.) Access time (ms) DVD-ROM 190ms (Typ.) (Random) 300ms(Typ.) BD-ROM Buffer memory Table 1-4-4 Blue Ray ODD outline specifications Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 15: Keyboard

    The Satellite E300/E305 keyboard is for US style Figure 1-5-1 is a view of the keyboard for US style Figure 1-5-1 Keyboard for US style See Appendix E for details of the keyboard layout Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 16: Color Display

    Chapter 1 Hardware Overview 1.6 Color Display The Satellite L730/Satellite 735/Satellite Pro 730use LED to control backlight. LCD Module Figure 1-5-1 shows a view of the LCD module and Table 1-6-1 lists the specifications. Figure 1-6-1 LCD Module Specifications(WXGA+) Item...

  • Page 17: Power Rails

    12.31 5.150 5.157 +5VPCU 5.148 5.152 3.389 3.387 3.389 3.386 +3VPCU 3.387 3.385 3.386 3.385 +3V_S5 5.148 5.146 5.155 +5V_S5 +VCC_CORE +VTT +VAXG 1.507 1.507 +1.5VSUS Table 1-7-1 Power supply output rating Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 18: Batteries

    1.8.1 Main Battery The main battery is the primary power supply for the computer when the AC adapter is not connected. In Standby, the main battery maintains the current status of the computer. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 19: Battery Charging Control

    When turning off the power in being charged fully, the preservation time is as following Table 1-8-3. Sleep Shut down 6 cell About 3 days About 30 days Table 1-8-3 Data preservation time Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 20: Rtc Battery

    Table 1-8-4 lists the Time required for charges of RTC battery and data preservation time. Condition Time Charging time About 24 hours Data retaining time About 30 days Table 1-8-4 Time required for charges of RTC battery Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 21: Ac Adapter

    DELTA/ LITE-ON/Chiony DELTA/ LITE-ON/Chiony 3pin 2pin Power Input voltage AC 90V/264V Input frequency 50Hz/60Hz Input current ≦1.5A Output voltage DC 19V Output current 3.42A 3.95A 3.42A 3.95A Table 1-9-1 AC adapter specifications Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 22 Chapter 2 Troubleshooting Procedures Satellite E300/E305 Maintenance Manual (960-Q08)
  • Page 23 Chapter 2 Troubleshooting Procedures Chapter 2 Contents Chapter 2 Contents Troubleshooting ......................1 Troubleshooting Flowchart ................... 2 Power Supply Troubleshooting ..................6 Procedure 1 Power Status Check ..............6 Procedure 2 Connection Check ..............8 Procedure 3 Charging Check ................ 8 Procedure 4 Replacement Check ..............
  • Page 24 Chapter 2 Troubleshooting Procedures Procedure 2 Connector Check and Replacement Check ......24 2.10 Wireless LAN and Bluetooth Troubleshooting ............25 Procedure 1 Transmitting-Receiving Check ..........25 Procedure 2 Antennas' Connection Check ..........26 Procedure 3 Replacement Check ..............27 2.11 Sound Troubleshooting ....................

  • Page 25: Troubleshooting

    The implement for the Diagnostics procedures is referred to Chapter 3. Also, following implements are necessary: 1. Phillips screwdrivers (For replacement procedures) 2. Implements for debugging port check  Toshiba Free-DOS system Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 26: Troubleshooting Flowchart

    Before going through the flowchart steps, verify the following:  Ask customer to enter the password if a password is registered.  Verify with the customer that Toshiba Windows is installed on the hard disk. Non- Windows operating systems can cause the computer to malfunction.
  • Page 27 Chapter 2 Troubleshooting Procedures Figure 2-2-1 Troubleshooting flowchart (1/2) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 28 2. If an error is detected on the hard disk test, perform the HDD Troubleshooting Procedures in Section 2.5. 3. If an error is found on the keyboard test (DIAGNOSTICS TEST) and pressed key display test, perform the Keyboard Troubleshooting Procedures in Section 2.6. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 29 9. If an error is detected on the ODD test, perform the ODD Troubleshooting Procedures in Section 2.12. 10. If an error is detected on the HDMI test, perform the HDMI Troubleshooting Procedures in Section 2.13 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 30: Power Supply Troubleshooting

    Power supply status Lights Green DC power is being supplied from the AC adapter. Blinks Orange Power supply malfunction Doesn’t light Any condition other than those above. Table 2-3-2 DC IN icon Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 31 Check 2 If the DC IN icon does not light, go to Procedure 3. Check 3 If the battery icon does not light orange or green, go to Procedure 4. NOTE: Use a supplied AC adapter. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 32: Procedure 2 Connection Check

    If the battery pack is still not charged, go to Check 5. Check 5 Replace the battery pack with a new one. If the battery pack is still not charged, go to Procedure 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 33: Procedure 4 Replacement Check

    Battery pack may be faulty. Replace it with a new one. If the problem still occurs, perform Check 2. Check 2 System board may be faulty. Replace it with a new one. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 34: System Board Troubleshooting

    Procedure 1 and continue with the other procedures as instructed. The procedures described in this section are: Procedure 1: Message Check Procedure 2 Diagnostic Test Program Execution Check Procedure 3: Replacement Check Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 35: Procedure 1 Message Check

    RTC memory (CMOS type memory) is not the same as the actual configuration or when the data is lost. If you press the F2 key as the message instructs, the SETUP screen appears to set the system configuration. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 36: Procedure 2 Diagnostic Test Program Execution Check

    If an error is detected during these tests, go to Procedure 3. Procedure 3 Replacement Check System board may be faulty. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and replace system board with a new one. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 37: Sata Hard Disk Drive Troubleshooting

    For the backup, refer to the User’s Manual. Procedure 1 Partition Check Insert the Toshiba USB memory and start the computer. Perform the following checks: Check 1 Input C: and press Enter. If you cannot change to drive C, go to Check 2. If you can change to drive C, go to Procedure 2.

  • Page 38: Procedure 2 Message Check

    2.5” HDD(s) and the connector(s) of system board may be defective (Refer to the steps described in Chapter 4, Replacement Procedures for disassembling.). Insert HDD(s) to the connector(s) firmly. If it is (or they are) firmly connected, go to Procedure 3. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 39: Procedure 3 Diagnostic Test Program Execution Check

    ECC Error ECC Recover Enabled HDC Error Seek Error Time Out Error Drive Not Ready Undefined Error Write Fault Status Error No Sense Error Other Error Table 2-5-1 HDD error code & status Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 40: Procedure 4 Connector Check And Replacement Check

    Chapter 4, Replacement Procedures and check the operation. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 41: Keyboard Troubleshooting

    Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics, for more information on how to perform the test program. If an error occurs, go to Procedure 2. If an error does not occur, keyboard is functioning properly. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 42: Procedure 2 Connector Check And Replacement Check

    Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 43: Touch Pad Troubleshooting

    Execute the Touch pad test in the Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics, for more information on how to perform the test program. If an error occurs, go to Procedure 2. If an error does not occur, touch pad is functioning properly. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 44: Procedure 2 Connector Check And Replacement Check

    Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 4. Check 4 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 45: Display Troubleshooting

    Insert the Diagnostics disk, turn on the computer and run the test. Refer to Chapter 3, Tests and Diagnostics for details. If an error is detected, go to Procedure 3. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 46: Connector And Cable Check

    Disassemble the computer following the steps described in Chapter 4, Replacement Procedures. If the connection is loose, reconnect firmly and restart the computer. If the problem still occurs, go to Procedure Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 47: Procedure 4 Replacement Check

    Chapter 4, Replacement Procedure and test the display again. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedure. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 48: Lan Troubleshooting

    LAN cable may be faulty. Replace it with a new one. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instruction in Chapter 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 49: Wireless Lan And Bluetooth Troubleshooting

    LAN. Perform the test following the instructions described in Chapter 3. If the computer passes the test, the function is correctly working. If the computer does not pass the test, perform Procedure 2. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 50: Antennas' Connection Check

    Make sure that WLBT antenna cables (black and white) are firmly connected to the connectors on WLBT card. If WLBT antenna cables are not connected properly, connect them firmly and perform Procedure 1. If the problem still occurs, go to the procedure 3. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 51: Procedure 3 Replacement Check

    Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3. Check3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 52: Sound Troubleshooting

    The connection of sound system is shown in the following figure. As the connection may be defective, disassemble the PC and check each connection. If the problem still occurs, go to Procedure 2. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 53 Chapter 4. If the problem still occurs, perform Check 6. Check 6 Audio board/System board may be faulty. Replace it with a new one following the instructions in Chapter 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 54: Odd Troubleshooting

    ODD may be faulty. Replace it with a new one following the steps in Chapter 4. If the problem still occurs, perform Check 4. Check 3 System board may be faulty. Replace it with a new one following the instruction in Chapter 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 55: Hdmi Troubleshooting

    If the external monitor works correctly, the internal LCD may be faulty. Go to Procedure 3. If the external monitor appears to have the same problem as the internal monitor, system board may be faulty. Go to Procedure 2. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 56 Chapter 2, Replacement Procedure and test the display again. If the problem still occurs, perform Check 3 Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedure. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 57: Memory Troubleshooting

    RAM may be faulty. Replace it with a new one. If the problem still occurs, perform Check 3. Check 3 The slot and MB may be faulty. Replace it with a new one following the instruction in Chapter 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 58: Troubleshooting

    3G card may be faulty. Replace it with a new one following the steps in Chapter 4. Check 3 If the problem still occurs, perform Check 4. Check 4 System board may be faulty. Replace it with a new one following the instruction in Chapter 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 59: Connect Check And Replacement Check

    Camera may be faulty. Replace it with a new one following the instruction in Chapter 4. Check 4 System board may be faulty. Replace it with a new one following the instruction in Chapter 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 60: Microphone Troubleshooting

    CCD cable or Microphone may be faulty. Replace it with a new one. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instruction in Chapter 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 61: Crt Troubleshooting

    Chapter 4--Replacement Procedure, and then test again. If the problem still occurs, perform Check 2. Check 2 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedure. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 62: Usb Troubleshooting

    USB cable or USB device may be faulty. Replace it with a new one. If the problem still occurs, perform Check 3. Check 3 The system board may be faulty. Replace it with a new one following the instruction in Chapter 4. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 63 Test Program for Field. Chapter 3 Diagnostic Programs Satellite L730 Tests and Diagnostics Manual...
  • Page 64 How to operate a window ................3-68 3.21.2 How to Stop the Test Program ..............3-68 3.21.3 Test Status Screen ..................3-68 3.21.4 Test Stop Display ..................3-70 3.21.5 How to enter data ..................3-70 Satellite L730 Tests and Diagnostics Manual...

  • Page 65: Tests And Diagnostics Software Overview

    Test Program for Field. Tests and Diagnostics Software Overview This chapter explains how to use the Tests and Diagnostics Software for the Satellite L730 computer systems. NOTES: Before starting the Tests and Diagnostics software: 1. Check all cables for loose connections.

  • Page 66: Executing The Diagnostic Test

    02.RUNNING TEST 03.DMI INFORMATION 04.LOG UTILITIES 05.SYSTEM CONFIGURATION 06.OPTION 99.EXIT 3. To select the Diagnostic Test from the Diagnostics Menu use the arrow keys to set the highlight bar to 01 and press Enter. Satellite L730 Tests and Diagnostics Manual...
  • Page 67 Refer to Sections 3.4 through 3.14 for detailed descriptions of Diagnostics Tests 1 through 11. Item 88 sets the floppy disk drive and hard disk drive error retry count. Item 99 exits the submenu of the Diagnostic Test and returns to the Diagnostics Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 68 06. HARD DISK TEST 14. MEMORY2 TEST 07. REAL TIME CLOCK TEST 88. FDD&HDD ERROR RETRY COUNT SET 99. EXIT TO DIAGNOSTICS MENU Use the arrow keys to highlight the desired option and press Enter. Satellite L730 Tests and Diagnostics Manual...
  • Page 69 Use the arrow keys to move the cursor to the desired option and press Enter. Table 3-1 in Section 3.3 lists the function of each test on the subtest menu. Table 3-2 in Section 3.15 lists the error codes and error status for each error. Satellite L730 Tests and Diagnostics Manual...

  • Page 70: Subtest Names

    Character Set 80* 25 Character Display 320* 200 Graphics Display 640* 200 Graphics Display 640* 480 Graphics Display Display Page “H” Pattern Display Video DAC Register W/R/C Color Graphics Display Color Attributes Display Color Tiling Satellite L730 Tests and Diagnostics Manual...
  • Page 71 Checker Board Test Marching Test Working Data Test HIGH RESOLUTION VRAM W/R/C Test DISPLAY TEST 640* 480 Mode Display 800* 600 Mode Display 1024* 768 Mode Display “H” Pattern Display Focus Test (“E” Pattern) Satellite L730 Tests and Diagnostics Manual...
  • Page 72 Sequential Read Test Random Read Test Read Specified Address Test 1 point W/R/C Test MEMORY2 All one/zero Test Walking 1/Walking 0 Test(Left) Walking 1/Walking 0 Test(Right) Walking 1/Walking 0 Test(Left /Right) *This test cannot support. Satellite L730 Tests and Diagnostics Manual...

  • Page 73: System Test

    : 4400 mAh Device chemistry : LION design voltage : 10800 mV Manufacturer data specification information : 3.1 Manufacture date : 1/6/2010 serial no. : 32009 STATUS : INIT Press [ESC] KEY to exit Satellite L730 Tests and Diagnostics Manual...
  • Page 74 This program judges by sampling five kinds of data shown below. Item Contents Access platform. An access platform is leveling. Test Fixture The Fixture which fixes PC by 90 degree inclination is used. Vibration/shock doesn't take a PCB at the time of T&D inspection. Satellite L730 Tests and Diagnostics Manual...
  • Page 75 The display of a test program and the set method of PC are shown below. Display of a Test Program The portion which PC and Test-Fixture contact is green. Set method of PC Upper Judgment If all data is less than ranges, it will be OK. Satellite L730 Tests and Diagnostics Manual...
  • Page 76 The display of a test program and the set method of PC are shown below. Display of a Test Program Set method of PC Rear Uppe Judgment If all data is less than ranges, it will be OK. Satellite L730 Tests and Diagnostics Manual...
  • Page 77 The display of a test program and the set method of PC are shown below. Display of a Test Program Right Set method of PC Uppe Judgment If all data is less than ranges, it will be OK. Satellite L730 Tests and Diagnostics Manual...
  • Page 78 The display of a test program and the set method of PC are shown below. Display of a Test Program Set method of PC Front Uppe Judgment If all data is less than ranges, it will be OK. Satellite L730 Tests and Diagnostics Manual...
  • Page 79 A test result is displayed when a test is completed. A display of result is O.K. or NG. And an error flag is returned at the end of a program. OK is 0. NG is 1. Satellite L730 Tests and Diagnostics Manual...

  • Page 80: Memory Test

    “One bit write/16 bit read” is executed and the new data is compared with the original data. Test data = 1H, 2H, 4H, 8H, 10H, through 80000000H. 4. Fixed data test “16 bit write/ 16 bit read” is executed and the new data is compared Satellite L730 Tests and Diagnostics Manual...
  • Page 81 “16 bit write and 16 bit read” of address pattern data is executed and the new data is compared with the original data. Test data = 0000H, 0004H, 0008H, 000CH,...8000H, 8004H, through FFECH Subtest 03 Protected Mode [32MB - MAX] Satellite L730 Tests and Diagnostics Manual...
  • Page 82 This subtest writes a data pattern (CCAA5533H ) in 4KB from 0 to the maximum installed memory, then waits for a memory refresh cycle (16 ms or more), reads the new data, and compares the result with the original data pattern. Satellite L730 Tests and Diagnostics Manual...
  • Page 83 Subtest 05 Stress Test This subtest writes the following 16KB data patterns to the Write/Read Buffer in conventional memory. data: FFFFFFFFFFFFFFFF0000000000000000 5555555555555555AAAAAAAAAAAAAAAA CCCCCCCCCCCCCCCC3333333333333333 0000000000000000FFFFFFFFFFFFFFFF AAAAAAAAAAAAAAAA5555555555555555 3333333333333333CCCCCCCCCCCCCCCC FFFFFFFFFFFFFFFF0000000000000000 0000000000000000FFFFFFFFFFFFFFFF 5555555555555555AAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAA5555555555555555 CCCCCCCCCCCCCCCC3333333333333333 3333333333333333CCCCCCCCCCCCCCCC Satellite L730 Tests and Diagnostics Manual...

  • Page 84: Keyboard Test

    This subtest is used for the UK keyboard and functions the same as Subtest 1. Subtest 03 Pressed Key Display [US Keyboard] for US Keyboard This subtest is used for the US keyboard and functions the same as Subtest 1. Satellite L730 Tests and Diagnostics Manual...
  • Page 85 If left and right button short , screen will display <Left and Right Button maybe short > , the program exit . LEFT PRESS TOUCH_PAD TEST RIGHT PRESS Please Do Not Press the Left and Right Button At The Same Time Satellite L730 Tests and Diagnostics Manual...

  • Page 86: Display Test

    NEXT LINE SHOWS REVERSE DISPLAY RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR NEXT LINE SHOWS BLINKING DISPLAY BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BLUE MAGENTA GREEN CYAN YELLOW WHITE Press [ Enter ] KEY To exit this subtest and return to the Display Test menu: Satellite L730 Tests and Diagnostics Manual...
  • Page 87 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 88 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 89 MAGENTA WHITE Press ENTER to display the following sixteen colors: black, blue, green, cyan, red, magenta, brown, white, dark gray, light blue, light green, light cyan, light red, light magenta, yellow, and intensified white. Satellite L730 Tests and Diagnostics Manual...
  • Page 90 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 91 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 92 Press ENTER to display the following 16 colors: black, blue, green, cyan, red, magenta, brown, white, dark gray, light blue, light green, light cyan, light red, light magenta, yellow, and intensified white using 640*480 video resolution. Satellite L730 Tests and Diagnostics Manual...
  • Page 93 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 94 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 95 ” displays on the screen and then the screen flickers due will remain blank to the fast screen refresh while the test is executing. Press Ctrl + break to return to the Display Test menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 96 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 97 640*480 COLOR ATTRIBUTE DISPLAY Press [Enter] Key Pressing Enter executes VRAM mapping test which indicates vertical lines Press Enter to execute the VRAM mapping test which displays a horizontal line at one dot intervals using Mode 12. Satellite L730 Tests and Diagnostics Manual...
  • Page 98 Press Enter to execute the VRAM mapping test which displays a vertical line at four dot intervals using Mode 12. Press [Enter] Key Press Enter to display VRAM mapping test using the all dots Mode. Satellite L730 Tests and Diagnostics Manual...
  • Page 99 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 100 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...

  • Page 101: Floppy Disk Test

    Subtest 03 Random Address/Data This subtest writes random data to random addresses on all tracks defined in Subtest 01. The data is then read and compared to the original data. Satellite L730 Tests and Diagnostics Manual...
  • Page 102 This subtest reads data from a specified track and head. The following message displays on the screen to enter the test track number and head number. TRACK NO (00~79) ?? HEAD NO (0~1) ? Satellite L730 Tests and Diagnostics Manual...

  • Page 103: Hard Disk Test

     Reverse sequential  Random Subtest 03 Random Address Data This subtest writes random data to 1000 different random addresses on the HDD. This data is then read and compared to the original data. Satellite L730 Tests and Diagnostics Manual...
  • Page 104 3.18) to specify the LBA number where the error(s) occurred during Subtest 01. The following message displays on the screen to enter the test sector count. SECTOR COUNT (01~39) ?? START ADDRESS (00000000~MAX Address) ? Satellite L730 Tests and Diagnostics Manual...
  • Page 105 This subtest writes specified data to a specified sector count, then reads and compares the result. The following message displays on the screen to enter the test data, sector count. TEST DATA ????(=37b3H) SECTOR COUNT (01~39) ?? START ADDRESS (00000000~Max Address) ? Satellite L730 Tests and Diagnostics Manual...

  • Page 106: Real Time Clock Test

    If YES is selected for Test Loop on the Test Parameter menu, the screen above displays and the test is executed again. Press Ctrl + break to return to the Real Time Clock Test menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 107 To exit this subtest and return to the Real Time Clock menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...

  • Page 108: Cache Memory Test

    (FFH, FEH, FEH, through 02H, 01H, 00H) is written and the new data is read and compared with the original data. The original cache memory content is then restored to the cache memory. Satellite L730 Tests and Diagnostics Manual...
  • Page 109 This subtest reads the contents of cache memory and saves it into RAM. The subtest then writes the “working data,” reads the new data and compares the result with the original data. The original cache memory content is then restored to the cache memory. Satellite L730 Tests and Diagnostics Manual...

  • Page 110: High Resolution Display Test

    Display Test menu displays. If YES is selected for Test Loop on the Test Parameter menu, the screen displays the colors listed above. Press Ctrl + break to return to the High Resolution Display Test menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 111 To exit this subtest and return to the High Resolution Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 112 To exit this subtest and return to the High Resolution Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu Satellite L730 Tests and Diagnostics Manual...
  • Page 113 To exit this subtest and return to the High Resolution Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 114 To exit this subtest and return to the High Resolution Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...
  • Page 115 To exit this subtest and return to the High Resolution Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Satellite L730 Tests and Diagnostics Manual...

  • Page 116: Multimedia Test

    Move the highlight bar to the subtest you want to execute and press Enter. NOTE: Use the Toshiba Backup CD-ROM for Subtests 01, 02, and 03. Because CDROM driver issue , the Multimedia function can’t test , this is limitation .

  • Page 117: Memory2 Test

    Subtest 03 Walking 1/Walking 0 test (Right) Tee test method is the same as Subtest2. However, the data to be used differs. 80008000800080007FFF7FFF7FFF7FFF 4000400040004000BFFFBFFFBFFFBFFF Satellite L730 Tests and Diagnostics Manual...
  • Page 118 Subtest 04 Walking 1/Walking 0 test (Left/ Right) Tee test method is the same as Subtest2. However, the data to be used differs. 7FFF7FFF7FFF7FFF8000800080008000 BFFFBFFFBFFFBFFF4000400040004000 DFFFDFFFDFFFDFFF2000200020002000 FFFBFFFBFFFBFFFB0004000400040004 FFFDFFFDFFFDFFFD0002000200020002 FFFEFFFEFFFEFFFE0001000100010001 80008000800080007FFF7FFF7FFF7FFF 4000400040004000BFFFBFFFBFFFBFFF 0004000400040004FFFBFFFBFFFBFFFB 0002000200020002FFFDFFFDFFFDFFFD 0001000100010001FFFEFFFEFFFEFFFE Satellite L730 Tests and Diagnostics Manual...

  • Page 119: Error Codes And Error Status Names

    Bad Address Mark Error Record Not Found HDC Not Reset Error Drive Not Initialized DMA Boundary Error Bad Sector Bad Track Error ECC Error ECC Recover Enabled HDC Error Seek Error Time Out Error Drive Not Ready Satellite L730 Tests and Diagnostics Manual...
  • Page 120 Protect Mode Error Caching Error Other Error Multimedia Write Error Invalid Drive Drive Not Ready Other Error NOTE: If error status name is Other Error , please reference the Error Code for error information Satellite L730 Tests and Diagnostics Manual...

  • Page 121: Running Test

    6. All errors which occur during execution of the Running Test are logged in the Log File. 7. This program is executed according to the Count Loop number selected in the Running Test Edit Item, see Section 3.20. To terminate the program, press Ctrl + Break. Satellite L730 Tests and Diagnostics Manual...

  • Page 122: Dmi Infoemation

    3. Part Number ( PSP50U-123456 ) 4. Serial Number ( 12345678W ) 5. OEM String ( PSP50U-123456,S123456789,11V ) 7. Write UUID (000B5F7142CADE11B11200238BF9F8FD ) 8. Brightness Write (1A344C769EC5EDFF ) a. SLP2.0 Build Sig [1]Non OS [2]OS Satellite L730 Tests and Diagnostics Manual...
  • Page 123 Note : Please Check New DMI Information After System Restart !! V3.5 1. **** Manufacture Name ( TOSHIBA ) - (32) 2. **** Product Name ( Satellite P500 ) - (32) 3. **** Part Number ( PSP50U-123456 ) - (26) 4.
  • Page 124 (4) If machine setting 90W , AC adapter use 90W , Adapter Select 120W , “PHM” and “ECO” utility will display wrong data , power consumption display double data more the machine actual use . Satellite L730 Tests and Diagnostics Manual...

  • Page 125: Log Utilities

    TIME OUT ERROR Address Error Status Pass Count Subtest Number Read Data Test Name Write Data Error Count Error Name and Detail [[1:Next, 2:Prev, 3:Exit, 4;Clear, 5:FD Log Read, 6:FD Log Write, 7:Log Save]] Satellite L730 Tests and Diagnostics Manual...
  • Page 126 The following are the test abbreviations for each Diagnostics Test. Test Name Test Abbreviations System Test Memory Test Keyboard Test Display Test Floppy Disk Test Hard Disk Test Real Time Clock Test Cache Memory Test Height Resolution Display Test Multimedia Test Memory2 Test Satellite L730 Tests and Diagnostics Manual...

  • Page 127: System Configuration

    * - BATTERY TYPE:XXXXXXXXXX * - XXXMB MEMORY SIZE * - XXX CPU * - 1 Vedio Chip XXXXXXXXXXXXX * - 1 ODD DRIVE(S):XXXXXXXX FW Rev.:XXXX Press Enter to return to the Diagnostics Menu. Satellite L730 Tests and Diagnostics Manual...

  • Page 128: Function Description

    640 * 480 Graphics Display Display Test Subtest 08 Display Page Floppy Disk Test Subtest 02 Sequential W/R/C Hard Disk Test Subtest 01 Sequential Read Real Time Clock Test Subtest 02 Backup Memory Test Tab: HELP (Key Operation) Satellite L730 Tests and Diagnostics Manual...
  • Page 129 7. Select the option and press Enter. 8. Select 03 from the Diagnostics Menu and press Enter to execute the Running Test. NOTE: If press Ctrl+break in the runin process, please press more one any key to exit. Satellite L730 Tests and Diagnostics Manual...

  • Page 130: Common Tests And Operation

    Displays the name of the test being executed. Subtest No. Displays the Subtest number in the following format: ffgg ff = Subtest No. gg = Step Number (Will be blank if the test does not have a Step Number.) Satellite L730 Tests and Diagnostics Manual...
  • Page 131 Displays test data that has failed to compare during the test while being read during the test. Test Address Displays the Test Address. (The format differs for each test.) Error Status Displays the error status. Error Name Displays the name of the error. Satellite L730 Tests and Diagnostics Manual...

  • Page 132: Test Stop Display

    Letters which must be entered are always shown in [ ]. Simultaneous entries are displayed by a “+” mark. For example: [a] [Enter] Press the “a” key, then press the [Enter] key. [Ctrl] + [c] Press the [Ctrl] key and the “c” key simultaneously. Satellite L730 Tests and Diagnostics Manual...
  • Page 133 Chapter 4 Replacement Procedures Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 134 Thermal Module ......................46 4.13 LCD Unit ........................48 4.14 Web Camera Module ....................53 4.15 Application for Thermal Grease on CPU and North Bridge ........54 4.16 Cardreader_USB Board ....................55 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 135 Remove the touch pad bracket ..............31 Figure 4-8-1 Unplug WLBT connector ................33 Figure 4-8-2 Remove WLBT screw ................. 34 Figure 4-9-1 Remove memory module ................35 Figure 4-9-2 Insert memory module .................. 36 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 136 Figure 4-14-2 Peel off the glue of Web Camera Module ............ 53 Figure 4-15-1 Intel thermal grease on CPU ................. 54 Figure 4-15-2 Apply silicon grease for CPU ............... 54 Figure 4-16-1 Remove screw and unplug USB/B-MB cable ..........55 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 137: Overview

    The chart shows the case for the following example:  Removing a System Board All FRUs down to the “4.2 Battery Pack” to “4.6 TOP Cover Assembly with Speaker" above System Board must be removed Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 138: Safety Precautions

    DANGER: 1. In the case of the battery, always use authentic parts or equivalent parts approved by Toshiba. Other batteries may have different specifications that are incompatible with the computer and may result in fire or explosion.

  • Page 139: Before You Begin

    Screw sizes are noted in the text and figures. 9. As all parts have sharp edges and corners, take care not to cut yourself. 10. After replacing an FRU, check that the computer and replaced part operate correctly. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 140: Disassembly Procedure

    Normal pin connectors are used for all other cables. Simply pull out or push in these connectors to disconnect or reconnect. Pressure plate connector Spring connector Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 141: Assembly Procedure

    One Philips screwdriver with type 1 bit (for screws other than above)  Tweezers (for lifting screws)  ESD mats (lay on work table or floor)  An ESD wrist strap and heel grounder  Anti-static carpet or flooring Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 142: Screw Tightening Torque

    NOTE: To prevent damage to THIN HEAD screws, press along the axis of the screwdriver while turning the screw. This is because the contact area between the screw and driver is less than for a pan head screw (standard pan-shaped screw head). Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 143: Screw Notation

    Screw shape B: Bind screw F: Thin head screw S: Super thin head screw T: Tapping screw U: Other screws (Unique screws: pan head, stud, etc.) Example: B6 … 6mm bind screw Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 144: Battery Pack

    4. Slide and hold the battery release latch (2) to free the Battery Pack after moving the battery release latch (1) into it unlock position – pick the Battery Pack out of the computer from fillister. Figure 4-2-1 Remove the Battery Pack Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 145 2. Disconnect the AC adapter and all external devices from the computer. 3. Attach the battery cover to the Battery Pack. 4. Insert the Battery Pack 5. Ensure the battery release latch (2) is moved into its locked position Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 146 Chapter 4 Replacement Procedures Figure 4-2-2 Install the Battery Pack Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 147: Keyboard

    1. Upside down the computer and remove the battery. 2. Open the display. 3. Remove Keyboard holder.(see Figure 4-3-1) Figure 4-3-1 Remove keyboard holder 4. Remove SCREW M2.5*3.0F 2PCS which are used to fix keyboard.( see Figure 4-3-2) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 148 Chapter 4 Replacement Procedures Figure 4-3-2 Remove keyboard screws 5. Unhook the keyboard hook.(see Figure 4-3-3) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 149 Chapter 4 Replacement Procedures Figure 4-3-3 Unhook keyboard hook 6. Pull up keyboard.(see Figure 4-3-4) Figure 4-3-4 Pull up the keyboard Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 150 Chapter 4 Replacement Procedures 7. Unplug the keyboard connector.(Figure 4-3-5) Figure 4-3-5 Unplug keyboard connector Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 151 1. Connect the Keyboard flexible cable to the connector on the system board. 2. Secure the Keyboard with the hook。 3. Secure the Keyboard with the SCREW M2.5*3.0F 2PCS.. 4. Install the KB holder Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 152: Hdd

    1. Turn off power and turn over the computer. 2. Remove battery (see Figure 4-2-1) 3. Remove the Ram door SCREW M2.5*4F 2PCS. (Figure 4-4-1) Figure 4-4-1 Remove Ram door screws. 4. Pull up Ram door. (Figure 4-4-2) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 153 Figure 4-4-2 Pull up Ram door. 5. Remove SCREW M2.5*3.0F 1PCS which is used to fix HDD (Figure 4-4-3) Figure 4-4-3 Remove one screw which is used to fix HDD 6. Remove HDD (Figure 4-4-4) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 154 Chapter 4 Replacement Procedures Figure 4-4-4 Remove HDD 8. Remove SCREW M3.0*3.5F 2PCS securing the HDD holder and remove the HDD holder. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 155 NOTE: Although they are 3mm head screws, screw torque must be set in 2.5kgf-cm for four screws securing the HDD holder. 2. Insert the HDD assembly into the HDD slot. 3. Secure the HDD assembly with SCREW M2.5*3.0F 1PCS.. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 156: Odd

    1. Turn off power and remove battery. 2．Remove Ram door. 3．Remove SCREW M2.5*3.0F 1PCS securing the ODD assembly(see Figure 4-5-1) Figure 4-5-1 Remove one screw which is used to fix ODD 4. Pull out ODD module. (Figure 4-5-2). Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 157 Chapter 4 Replacement Procedures Figure 4-5-2 Pull out ODD module 5. Remove ODD bezel (Figure 4-5-3). Figure 4-5-3 Remove ODD bezel Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 158 Chapter 4 Replacement Procedures 6. Remove ODD bracket screws M2.0*3.0 SCREW 2PCS. (Figure 4-5-4) Figure 4-5-4 Remove ODD bracket screws Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 159 The following describes the procedure for installing the ODD. 1. Install ODD bracket SCREW M2.0x3.0F 2PCS. 2. Attach ODD bezel 3. Lock SCREW M2.5*3.0F 1PCS securing the ODD assembly. 4. Install Ram door and battery Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 160: Top Cover Assembly With Speaker

    4. Remove SCREW M2.5*6.5F 8PCS from the bottom side. (Figure 4-6-1) Figure 4-6-1 Remove the screws (from bottom side) 5. Remove SCREW M2.5*6.5F 1PCS and M2.5*3.0F 1PCS inside Ram door.( Figure 4-6-2) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 161 5. Remove SCREW M2.5*3.0F 2PCS underneath ODD module (Figure 4-6-3) Figure 4-6-3 Remove the screws underneath ODD module 6. Disassemble keyboard. 7. Remove SCREW M2.5*6.5F 3PCS securing the top cover assembly from the front of Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 162 15. Pull up top cover, unplug speaker connector and remove the top cover assembly from the base assembly. NOTE: When lift up top cover, please make sure all the cables or connectors attached to it have already been removed. Or you may pull apart them. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 163 Chapter 4 Replacement Procedures Figure 4-6-6 Unplug the speaker connector on MB 16. Remove the Screws M2.0*5.5F 4PCS and take off speaker module.(Figure 4-6-7) Left side: Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 164 Chapter 4 Replacement Procedures Right side: Figure 4-6-7 Remove speaker Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 165 4. Secure the following screws M 2.5*6.5F 3PCS securing the Top Cover Assembly from the front of computer. 5. Install Keyboard screw M 2.0x3F 2PCS. 6. Secure the screws M 2.5*6.5F 8PCS in the Base. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 166: Touch Pad Switch Board, Touch Pad Board And Touch Pad

    Board to take off Touch Pad Switch Board. (see Figure 4-7-1) Figure 4-7-1 Remove switch board 5. Loose SCREW M2.0*2.5F 3PCS and pull the cable from the connector on Touch Pad Board to take off it. (see Figure 4-7-2) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 167 6. Loose SCREW M2.0*3.0F 4PCS screws and pull the cable from the connector on Touch Pad to take off Touchpad bracket. Then Touch Pad can be got(see Figure 4-7-3) Figure 4-7-3 Remove the touch pad bracket Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 168 6. Secure the Touch Pad board with SCREW M2.0*2.5F 3PCS 7. Mount Touch Pad Switch board and secure it with SCREW M2.0*2.5F 2PCS. 8. Connect Touch Pad Switch Board FFC to the connector on Touch Pad board. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 169: Wlbt Module

    Remove keyboard ( See former Keyboard removing process) Unplug the wireless connector.(Figure 4-8-1) Figure 4-8-1 Unplug WLBT connector Remove SCREW M2.0x3.0F 1PCS and take off WLBT from the connector on the system board. (Figure 4-8-2) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 170 The following describes the procedure for installing WLBT. 1. Insert WLBT terminal slantwise into the connector on the computer and secure WLBT with SCREW M 2.0x3.0F 1PCS 2. Connect the Wireless LAN antenna cable to the terminals on WLBT. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 171: Memory Module

    To remove a memory module, confirm that the computer is in boot mode. Then perform the following procedure (See Figure 4-9-1) 1. Remove the Ram door. 2. Open the left and right latches and remove memory module. Figure 4-9-1 Remove memory module Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 172 2. When the power of the computer is turned on, the computer checks automatically the memory size. Confirm that the new memory is detected correctly. 3. If the memory is not detected, check that it is connected correctly. Figure 4-9-2 Insert memory module Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 173: Display Assembly

    3. Disassemble TOP Cover Assembly. 4. Pull out the LCD cables from the guide of system board. Figure 4-10-1 Remove the LCD cable from system board 5. Remove the DC-IN connector from the base assembly. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 174 Chapter 4 Replacement Procedures Figure 4-10-2 Remove the DC-IN connector from the base assembly 6. Opening the display to 120degree, keeping display side by hand and remove the hinge SCREW M2.5 *6.5F 4PCS Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 175 Chapter 4 Replacement Procedures Figure 4-10-3 Remove the hinge screws 7. Remove the Display Assembly with two hands holding from the Base Assembly. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 176 Chapter 4 Replacement Procedures Figure 4-10-4 Remove the display assembly Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 177 Figure 4-10-5 Arrange and connect Wireless LAN cable 6. Install Top Cover Assembly. NOTE: If Fingerprint or Dust left on LCD screen during disassembly and assembly LCD units, please follow Appendix A to clean it. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 178: System Board

    2. Disconnect the LCD CABLE, Power cable, Wireless LAN cable and USB board FFC from the connector on the System Board. Figure 4-11-1 Disconnect the cable attached to MB 3. Remove SCREW M2.5*6.5F 2PCS securing the System Board and remove the System Board. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 179 Chapter 4 Replacement Procedures Figure 4-11-2 Remove screws securing the System Board Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 180 The following describes the procedure for installing the System Board. 1. Secure the System Board with SCREW M2.5*6.5F 2PCS. 2. Connect the LCD CABLE, Power cable, Wireless LAN cable and USB board FFC from the connector on the System Board. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 181 Installing RTC battery The following describes the procedure for installing the RTC battery. 1. Match the RTC battery and then press following the direction of the arrows Figure 4-11-4 Install RTC battery Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 182: Thermal Module

    2. Loose the following screws M2.5*6.5F 3PCS securing the heat sink holder along 1 to 3. NOTE: When removing the heat sink holder, be sure to remove the screws in the reverse order of the number marked on the holder. Figure 4-12-1 Remove the CPU Heat Sink Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 183 Chapter 4 Replacement Procedures Installing the Thermal Module The following describes the procedure for installing the Thermal Module Secure the screws securing the heat sink holder along 1 to 3. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 184: Lcd Unit

    Figure 4-13-1 Remove the display mask 4. Remove SCREW M2.5*4.0F 2PCS securing the LCD Unit, and disconnect CCD FPC Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 185 Figure 4-13-2 Remove screws and remove the connector of Web Camera Module 5. Remove the LCD Unit , the hinge and the LCD Harness from the bottom side Figure 4-13-3 Remove the LCD Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 186 LCD. Figure 4-13-4 Remove the harness 7. Remove SCREW M2.5*3.0F 4PCS securing the LCD support (LCD Unit side) and remove the hinge from the LCD Unit. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 187 Chapter 4 Replacement Procedures Remove screw Figure 4-13-5 Remove the LCD hinge Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 188 4. Secure the display mask with SCREW M2.0*5.0 4PCS and cover with Screw MYLAR cover 5. Mount the assembly with SCREW M2.5*4.0 2PCS NOTE: When installing the display mask, make sure there is no gap between the display mask and the display cover. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 189: Web Camera Module

    Installing Web Camera Module The following describes the procedure for installing the Web Camera Module. 1. Connect the connector of Web Camera Module. 2. Pull in the glue of Web Camera Module. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 190: Application For Thermal Grease On Cpu And North Bridge

    For thermal grease on CPU Figure 4-15-1 Intel thermal grease on CPU A000018440 THERMAL GREASE GFC-M1 II. Use grease on CPU 0.1cc for one repair. Figure 4-15-2 Apply silicon grease for CPU Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

  • Page 191: Cardreader_Usb Board

    The following describes the procedure for installing the Cardreader_USB Board. 1. Set the board in the fit location. 2. Screw up Cardreader_USB Board with SCREW M2.5*6.5F 1PCS and plug USB/B- MB cable. 3. Mount top cover. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 192 LCD cover before securing the module with screws. Do not force the module into place, because stress can affect its performance. Also, the panel’s polarized surface is easily scarred, so be careful when handling it. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 193 4. If water or other liquid is left on the panel’s surface for a long period, it can change the screen’s tint or stain it. Be sure to quickly wipe off any liquid with cloth or ionic Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 194 6. CMOS-LSI circuits are used in the module, so guard against damage from electrostatic discharge. Be sure to wear a wrist or ankle ground when handling the module. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 195 Handling the LCD Module Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 196 8. Do not store the module at temperatures below specifications. Cold can cause the liquid crystals to freeze, lose their elasticity or otherwise suffer damage. 9. Do not disassemble the LCD module. Disassembly can cause malfunctions. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 197 10. If you transport the module, do not use packing material that contains epoxy resin (amine) or silicon glue (alcohol or oxide). These materials can release gas that can damage the panel’s polarization. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 198 Board Layout Appendix B Appendix B Board Layout B.1 System Board Figure B-1-1 System board layout (front) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 199 POWER BOARD CONN (02) LVDS CONN (03) 3G CONN (04) EC IC (05) WLAN CONN (06) CARD READER CONN (07) KB CONN (08) TP CONN (09) RTC CONN (10) CN10 EXTERNAL MIC CONN Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 200 USB3.0 CONN (20) CN20 HDD CONN (21) PCN1 AC IN CONN (22) PCN2 BATT CONN (23) JDIM1 RAM CONN (24) JDIM2 RAM CONN (25) (26) Table B-1-1 System board ICs and connectors Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 201 Board Layout B.2 Power Board <Front layout> Figure B-2-1 Power board layout (Front) Location Function (01) Power SW (02) POWER/B to MB CONN Table B-2-1 Power board connectors Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 202 Board Layout <Back layout> Figure B-2-2 Power board layout (Back) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 203 Board Layout B.3 Card Reader Board <Front layout> Figure B-3-1 Card Reader Board layout (Front) Location Function (01) CN14 USB2.0 CONN (02) CN23 USB2.0 CONN Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 204 Board Layout (03) CARD READER CONN (04) CARD READER IC Table B-3-1 Card Reader Board connectors <Back layout> Figure B-3-2 Card Reader Board layout (Back) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 205 Board Layout Location Function (01) CN26 CARD READER CONN Table B-3-2 Card Reader Board connectors Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 206 Board Layout B.4 SIM Board <Front layout> Figure B-4-1 SIM Board layout (Front) Location Function (01) SIM/B to MB CONN Table B-4-1 SIM Board connectors Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 207 Board Layout <Back layout> Figure B-4-2 SIM Board layout (Back) Location Function (01) JSIM1 SIM CARD CONN Table B-4-2 SIM Board connectors Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 208 Board Layout B.5 TOUCH PAD Board <Front layout> Figure B-5-1 Touch Pad Board layout (Front) Location Function (01) MOUSE BUTTON LEFT KEY (02) MOUSE BUTTON RIGHT KEY Table B-5-1 Touch Pad Board connectors Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 209 Figure B-5-2 Touch Pad Board layout (Back) Location Function (01) TP BOARD to MB CONN (02) TP BOARD to TP CONN (03) TP BOARD to TP SWITCH BOARD CONN Table B-5-2 Touch Pad Board connectors Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 210 Figure B-6-1 TP Switch Board layout (Front) Location Function (01) TP SWITCH BOARD to TP BOARD CONN (02) TP SW Table B-6-1 TP Switch Board connectors <Back layout> Figure B-6-2 TP Switch Board layout (Back) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 211 CN2 LCD Panel Connectors PIN No. Signal name PIN No. Signal name LCD_BK_POWER LCDVCC LCD_BK_POWER LCDVCC CCD_POWER LCD_ TXLCLKOUT+ INT_DMIC_DATA_L LCD_TXLCLKOUT INT_DMIC_CLK_L DISPON LCD_TXLOUT0+ LVDS_VADJ LCD_TXLOUT0- LCD_EDIDCLK LCD_EDIDDATA LCD_TXLOUT1+ LCD_TXLOUT1- USB_CCD_R USB_CCD#_R LCD_TXLOUT2+ LCD_TXLOUT2- Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 212 PIN No. Signal name PIN No. Signal name +1.5V PCIE_CLK_3G_REQ#_C --- UIM_PWR UIM_DATA CLK_PCIE_3G# UIM_CLK CLK_PCIE_3G UIM_RST UIM_VPP 3G_EN [27] PLTRST# [3,9,19,23,27] PCIE_RXN_3G# PCIE_RXP_3G +1.5V CGCLK_SMB PCIE_TXN_3G# CGDAT_SMB PCIE_TXP_3G USB_3G# USB_3G CPUSB# [10] Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 213 CN5 WIFI Connectors PIN No. Signal name PIN No. Signal name BT_RFCTRL_BT5 +1.5V PCIE_CLK_REQ1# LAD0_PCIE LAD1_PCIE CLK_PCIE_MINI# LAD2_PCIE CLK_PCIE_MINI LAD3_PCIE LFRAME#_PCIE I RF_EN PLTRST# PCIE_RXN_WLAN# O PCIE_RXP_WLAN +1.5V CGCLK_SMB PCIE_TXN_WLAN# CGDAT_SMB PCIE_TXP_WLAN USB_WLAN# Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 214 LDRQ#1__debug SERIRQ_debug USB Connector PIN No. Signal name Signal name USB_EXT1#_R USB_EXT1_R USB_EXT2#_R USB_EXT2_R USB_CARD#_R USB_CARD_R USB_EN0# USBOC#9 TP_XD_LED# 48M_CARD CN7 KB Connectors PIN No. Signal name Signal name K_LED_P MY16 MY17 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 215 Pin Assignment K_LED_P MY14 MY13 MY10 MY11 MY12 MY15 K_LED_P CAPSLED NUMLED CN8 TP Board Connector PIN No. Signal name PIN No. Signal name TPCLK_L TPDATA_L TP_ON_OFF CN11 Speaker Connectors Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 216 CN15 ODD Connectors PIN No. Signal name PIN No. Signal name SATA_TXP_ODD SATA_TXN_ODD# SATA_RXN_ODD# SATA_RXP_ODD ODD_PRSNT# ODD_MD# C.10 CN16 CRT Connector PIN No. Signal name PIN No. Signal name CRT_R1 CRT_G1 CRT_B1 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 217 Signal name X-TX0P X-TX0N X-TX1P X-TX2P X-TX2N X-TX1N X-TX3P X-TX3N C.12 CN18 HDMI Connectors PIN No. Signal name PIN No. Signal name HDMITX2P HDMITX2N HDMITX1P HDMITX1N HDMITX0P HDMITX0N HDMICLK+ HDMICLK HDMI_DDCCLK HDM_DDCDATA HDMI_CON_HP Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 218 CN19 USB3.0 Connectors PIN No. Signal name PIN No. Signal name +5VSUS_USBP0 USB_S&C#_R1 USB_S&C_R1 USB30_RX1- USB30_RX1+ USB30_TX1-_C USB30_TX1+_C C.14 CN20 HDD Connectors PIN No. Signal name PIN No. Signal name SATA_TXP_1ST_HDD SATA_TXN_1ST_HDD# SATA_RXN_1ST_HDD# SATA_RXP_1ST_HDD Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 219 Appendix D Display Codes Display Codes Code set 1 Code set 2 Keytop Note Make Break Make Break ‘ ~ 7 & BkSp Table D-1-1 Scan codes (set 1 and set 2) (1/4) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 220 Code set 2 Keytop Note Make Break Make Break Caps Lock ‘ “ Enter Shift (L) No.102 , < . > Shift (R) Table D-1-1 Scan codes (set 1 and set 2) (2/4) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 221 Code set 2 Keytop Note Make Break Make Break Ctrl Alt (L) Space ALT (R)  Home   PgUp PgDn   Table D-1-1 Scan codes (set 1 and set 2) (3/4) Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 222 5. * This key corresponds to key No. 42 in a 102-key model. 6. * Refer to Table D-6, No. 124 key scan code. 7. * Refer to Table D-7, No. 126 key scan code. Code set 1 Code set 2 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 223 Set 1 E0 AA __________ E0 B6 E0 2A ___________ E0 36 Set 2 E0 F0 12 ________ E0 F0 59 E0 12 ___________ E0 59 Code set 1 Code set 2 Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 224 AA E0 12 E0 2F E0 F0 2F E0 F0 12 Table D-1-3 Scan codes in Numlock mode Code set 1 Code set 2 Keytop Make Break Make Break CTRL LALT ARROW NUMERIC Scrl Table D-1-4 Scan codes with Fn key Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 225 Table D-1-5 Scan codes in overlay mode Code set 1 Code set 2 Shift Make Break Make Break Prt Sc Common Ctrl  Shift  Alt  Table D-1-6 No.124 key scan code Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 226 Code set 1 Code set 2 Make Make Pause Common* E1 1D E1 F0 Ctrl* E0 46 7E E0 F0 Table D-1-7 No.126 key scan code *: This key generates only make codes. Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 227 Keyboard Layout Appendix E Keyboard Layout United Status (US) Keyboard Figure E-1-1 US keyboard United Kingdom (UK) Keyboard Figure E-2-1 UK keyboard ________________________________________________________________________________________________________ Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 228 Keyboard Layout Japan Keyboard Figure E-3-1 Japan keyboard ________________________________________________________________________________________________________ Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
  • Page 229 RGB Monitor ID Wraparound connector Figure F-1-1 RGB Monitor ID Wraparound connector (15PIN to 15PIN) LAN Loopback Connector (3) BIDBP (RX+) (1) BIBAP ‘(TX+) (4) BIDBN (RX-) (2) BIDAN (TX-) Figure F-2-1 LAN loopback connector Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)

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