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Motorola V120x Instruction Manual
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Motorola V120x Instruction Manual

Motorola v120x mobile phone
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Service Manual Level 3
Motorola V.series™ 120x
CDMA 800/1900/AMPS 800

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Summary of Contents for Motorola V120x

  • Page 1 Service Manual Level 3 Motorola V.series™ 120x CDMA 800/1900/AMPS 800...
  • Page 2 Motorola, except for the normal non-exclusive, royalty free license to use that arises by operation of law in the sale of a product.

  • Page 3: Table Of Contents

    IFR3000 ..... . 18 Equipment Setup ....33 © 2001 Motorola, Inc.
  • Page 4 120X Contents RF Cable Test ....34 IF Circuit: A05b....74 Setup for Analog Call .

  • Page 5: Product Description

    — 120X due to lower cost chipset can support data rates of 153.6kbps down/9.6kbps up. 5. 120X is similar to V.120C in looks, form factor, housing and accessories. There are a number of key enhancements added to the design. © 2001 Motorola, Inc.

  • Page 6: Key Product Features

    Product Description 120X KEY PRODUCT FEATURES 120X AUDIO LOGIC ICs — Higher data rates — Stylish and sleek design that fits perfectly Brief IC functional description: in your hand for optimal comfort 1. Qualcomm Baseband IC is used in 120X —...

  • Page 7: Cdma-Pcs 1900 Mhz Band

    Product Description 120X CDMA-PCS 1900 Mhz BAND Performance specification: General Frequency and channel information: Channel No., Frequency (Mhz), Frequency (Mhz) The 1900 MHz band is split into 6 blocks(ABCDEF) of channels. usually only one block is used in a given geographic area. Channel No.
  • Page 8 Product Description 120X Table 1: Specifications Function Specification Frequency Range 1850 to 1910 MHz(tx), 1930 to 1990(RX) RF Channel Bandwidth 1.25 MHz Channels 46 (Channel number spaced at an increment of-25, beginning channel, #25 lowest frequency and ending channel number 1175 highest frequency) Duplex Spacing 80 MHz...
  • Page 9 Product Description 120X Specifications CDMA 800 MHz Channel Numbering General information: The 800 MHZ CDMA channel numbering evolved from the Amps analog system which shares the same spectrum. The Amps channel spacing is 30 KHz, because the CDMA signal BW=1.25 MHz, the actual CDMA signal must be spaced every 41 channels (41*30 KHZ = 1.23MHZ) In a dual-mode system, CDMA signals would...
  • Page 10 Product Description 120X Overall System CDMA 800MHz Table 2: Function Specification Frequency Range 824.04 - 848.97 MHz Tx, Channels 1 to 799, f = 0.03 * N+ 825 MHz Channels 990 to 1023, f = 0.03(N—1023) + 825 MHz 869.04 - 893.97 MHz Rx Channels 1 to 799 is f = 0.03 * N+ 870 MHz Channels 990 to 1023, f...

  • Page 11: Environmental

    Product Description 120X Table 3: Environmental Function Specification Temperature Range Operational -30 C to +60 C (-22 F to +140 Storage -55 C to +85 C (-67 F to +185 Thermal Shock -40 C to +85 C (-40 F to +185 meets Mil.

  • Page 12: Foreward

    Motorola Cellular products. Orders for all parts should be sent to the Motorola Model and Kit Identification International Logistics Department at the fol-...

  • Page 13: General Safety Information

    Product Description 120X General Safety Information CAUTION Mobile Operation (Vehicle Adaptor) Do not jump start vehicle or use an automotive battery charger while the vehicle adapter option As with other mobile radio transmitting equipment, portable radiotelephone users are advised that for satisfactory operation of connected to the vehicle electrical the equipment and for the safety of personnel, it is system, as this may cause serious...
  • Page 14 Product Description 120X This page is intentionally left blank. 2/26/02...

  • Page 15: Cellular Overview

    With • Variable rate vocoder. CDMA, unique digital codes, rather than sepa- rate RF frequencies or channels are used to • Soft hand off. differentiate subscribers. ©2001 Motorola, Inc.

  • Page 16: Hypothetical Cell System

    120X Cellular Overview Hypothetical Cell System Service Area Operation The area within which calls can be placed and In Figure 1: “Hypothetical Cell System”, the area received is defined by the system oper-ator. bounded by bold lines represents the total (Because this is a radio system, there is no exact coverage area of a cellular system.

  • Page 17: Circuit Description & Theory Of Opera

    Audio Features: Echo cancellation for VREG_RF_RX 2.90V handset, head set and “hands free kit” appli- cations, Audio AGC, Voice Recognition (2) VREG_RF_TX 2.90V Qualcomm PM1000 (vs CCAP in V.120C) is a very simple power management IC with no © 2001 Motorola, Inc.

  • Page 18: Rf Section

    Circuit Description & 120X Theory of Operation • Dual band VCO/PLL module and Cellular and Semtech SC801 Charger Controller: PCS PA’s Charging algorithm is controlled by this IC, it is more of a hardware control than soft- • RFR3300 is a tri-band/quad mode ware control.

  • Page 19: Rft3100

    Circuit Description & 120X Theory of Operation THEORY OF OPERATION RFT3100: Baseband to RF transmit pro- cessor, it features the following: RECEIVER SECTION • Full upconversion form Analog Baseband to RF TX The receiver section occupies a frequency • Integrated I/Q Modulator, IF VCO/ band of 869 Mhz to 894 Mhz in cellular band PLL, SSB Upconverter, VGA, and and a frequency band of 1930Mhz to...

  • Page 20: Transmitter Section

    Circuit Description & 120X Theory of Operation IFR IC to MSM for decoding etc. REQUENCY SYNTHESIZER SECTION TRANSMITTER SECTION The frequency synthesizer uses VC-TCXO- Digital signal is applied in 8 bit to RFT3100 19.2Mhz as reference frequency. 19.2 Mhz is IC, the MSM output I and Q signals one by input to the frequency synthesizer as refer- one and each of these signals passes the digi-...

  • Page 21: Receiver Audio

    Circuit Description & 120X Theory of Operation Table 6: FREQUENCIES AMPS VCO 2105.28 to 2155.14 The received QPSK data is gain controlled and converted to digital, the Rx data stream is then decoded by the CSP inside the MSM CELLULAR 2105.28 to 2155.14 to produce a signal containing only the CDMA VCO...

  • Page 22: Audio Logic Block Diagram

    Circuit Description & 120X Theory of Operation AUDIO LOGIC BLOCK DIAGRAM 1/2/02...

  • Page 23: Rf Side Block Diagram

    Circuit Description & 120X Theory of Operation RF SIDE BLOCK DIAGRAM 1/2/02...
  • Page 24 Circuit Description & 120X Theory of Operation This Page is intentionally left blank. 1/2/02...

  • Page 25: Disassembly Procedure

    - Wrist Band 4280385A59 - Plastic Prying Tool SLN7223A assemble the unit, the procedure is the reverse of that previously completed for disassembly. - Rear Housing Removal Tool - Dental Pick - Tweezers - T6 Torque Screw Driver © 2001 Motorola, Inc.
  • Page 26 Disassembly Procedure 120X Rear Housing Removal: Using a Torx (T-6) screw driver unscrew all the 6 screws. Gently remove the Rear Housing as shown. Board Removal: The six screw bosses hold the board in place. Remove the board as shown. Board Removal 1/15/02...
  • Page 27 Disassembly Procedure 120X Display Removal: The elastomeric on the display makes contact with the power contacts on the PCB. The two locating pins on the display are aligned and the four holding tabs are grabbing the board. Make sure you release the tabs and gently lift the display.
  • Page 28 Disassembly Procedure 120X Mylar Installing Tool Mylar Located in between the pins Accoustic Gasket, Power Button, VR Button Volume Buttons and Display Gasket Button Removal: Contacts All of the above accessories are placed in their respective places and are easily removable. Cutouts Mylar Placed on the Board 1/15/02...

  • Page 29: Product Support Tools

    120X PRODUCT SUPPORT TOOLS FLASHING/FLEXING/NAM PROGRAM- MING V120x is a Qualcomm chipse based and it About Junior board operation: uses the 17 pin CE Bus Connector which uses the RS232 & USB communication protocols. The V 120x will support both USB & Serial following are the hardware and software require- communication.

  • Page 30: Junior Box Setup

    120X Product Support Tools SYN8400A – JUNIOR BOARD JUNIOR BOX SETUP 0109742L73 Wibu key 0109742L73 Wibu key FRONT FRONT SKN6304B SKN6304B CE BUS CABLE CE BUS CABLE SERIAL CABLE Cable SKN6315A BACK BACK Data Head SYN0279A SPN4029A SPN4029A POWER SUPPLY Transformer Transformer 4.2 V...

  • Page 31: Test And Phasing

    Product Support Tools 120X TEST AND PHASING Gate 24 supports the testing and phasing of V120x product, For more details on Test and Phasing contact International Service Engineering ISE- CDMA 1/2/02...

  • Page 32: Test Procedure

    120x Test Procedure Hardware Introduction Digital Test Measurements 120x do not allows keypad controlled testing. ? Digital RX Sensitivity (FER) Please refer to the RadioComm section for ? Digital P ower O ut functions and recommended equipment setup ? TX Frequency Error to use when testing.

  • Page 33: Equipment Setup

    T120x Equipment Setup RF CABLE SYN8400A 0109742L73 Wibu Key CE BUS SKN6304B SERIAL CABLE SKN4996A POWER POWER SUPPLY POWER SPN4029A...

  • Page 34: Rf Cable Test

    Good range: -.2 dBm through -.8 dBm Bad cable: More than -.8 dBm If the reading you are getting shows gain (posi- tive number,)you may need to zero the power meter. This may happen on an HP8924 whose Motorola Confidential Proprietary...

  • Page 35: Setup For Analog Call

    If the mobile responds, you will see theAccess annunciator light briefly. Answer the call by raising the flip or press SEND on the mobile to start the con- versation. The Connect annunciator lights. This is the Connect state. Motorola Confidential Proprietary...

  • Page 36: Rx Sensitivity (Sinad)

    Sinad measured on the communications analyzer must be more than 12dB. Duplex SINAD can be measured with the same setting “SET_RF_PWR to lv 2 and turn “CARRIER” on using RadioComm, which turns on the transmitter at power step 2. Motorola Confidential Proprietary...

  • Page 37: Tx Power Out Test

    Power Step 225dBm - 29dBm Power Step 321.5dBm - 25.5dBm Power Step 417.5dBm - 21.5dBm Power Step 513.5dBm - 17.5dBm Power Step 69.5dBm - 13.5dBm Power Step 75.3dBm - 9.5dBm Note: When taking measurements, remem- ber to compensate for cable loss. Motorola Confidential Proprietary...

  • Page 38: Tx Frequency Error Test

    RadioComm Test Procedure) - Suspend Radio - Load synthesizer to channel 333 - Set power level to step 2, - Turn on Carrier The frequency error measured on the communications analyzer must be less than ±1 kHz. Motorola Confidential Proprietary...

  • Page 39: Tx Maximum Deviation Test

    - Set power level to power step 2, - Turn on Carrier - Select External TX audio path - Unmute TX Audio path - Turn on compandor View FM Deviation for reading. TX Maximum Deviation Pass Specifica- tions: 9.8 kHz - 12 kHz Motorola Confidential Proprietary...

  • Page 40: Tx Sat Deviation Test

    - Enable 6000 Hz SAT tone View FM Deviation for the reading. The transponded peak SAT FM deviation should be 2 kHz ±200 The demodulated signal on the communi- cations analyzer should have an audio fre- quency of 6000 Motorola Confidential Proprietary...

  • Page 41: Tx St Deviation Test

    View FM Deviation for reading. The peak ST deviation measured on the communications analyzer should be 8 kHz ±800 Hz deviation. The demodulated signal on the communi- cations analyzer should have an audio fre- quency of kHz. Motorola Confidential Proprietary...

  • Page 42: Setup For Cdma Call

    Option 001 (duplexed voice mode). 4.Set the Data Type to echo. This will allow you to speak into the phone under test and hear the voice quality echoed in the phone via the CDMA link from the HP 8924C. Motorola ConÞdential Proprietary...

  • Page 43: Making A Cdma Phone Call

    When the mobile answers with an access vated. probe, the access probe indicator is activated. 3.The phone will now ring, or indicate on its display there is an incoming call. Motorola ConÞdential Proprietary...

  • Page 44: Set Up For Cdma Rf Parametric Measurements

    03 (voice EVRC), 2.Return to the CDMA Call Control screen. along with service option 09 and service option 32768 for 14.4 vocoder type phones. 3.Change the Traffic Data Mode to Service Option 002. Motorola ConÞdential Proprietary...

  • Page 45: Ment

    Arm field. Press the knob to start the measure- need to enter three parameters: Max Frames, ment. Confidence, and FER Spec. 4.Enter 10,000 into the Max frames field. This sets an upper bound to the time limit of the test. Motorola Confdential Proprietary...

  • Page 46: Receiver Test Termination

    HP 8924C detects that the measured FER will fail the user entered FER specification with the specified confidence level, the test is halted and the Failed indicator is activated. This feature eliminates wasted time testing phones that are clearly failing the test. Motorola Confdential Proprietary...

  • Page 47: Cdma Transmitter Tests

    Note: TM Rho (Test Mode Rho) only works with phones that have Test Mode functionality. Now switch back to the RX Test screen. Notice that the FER test continued to run while you were making TX measurements. Motorola Confdential Proprietary...

  • Page 48: Cdma Transmitter Power Range Test48

    Note: If “always down” is selected, the phone will step its power down until the call is lost. If power control is changed, be sure to return it to “closed-loop” before proceeding onto the next test. Motorola Confdential Proprietary...

  • Page 49: Fer With Awgn Tests

    Meas Cntl field. 4.Under these conditions, a CDMA phone should meet 0.5% FER with 95% confidence. Standards specify other tests for other rates. These can be performed by changing the Data Rate and Traffc level to the specifed settings. Motorola Confdential Proprietary...

  • Page 60: Troubleshotting

    8288161M01 Spec No: Date December 13, 2001 Software Version is2000_x_r2.0_v2.15.0 Upal Sengupta - Sr. Technical Account Manager, Motorola 2.0 Flex File Steve Williams - Technical Account Manager, Motorola XS1SPT02TPN1NA02 Flex Model # Moe Hajjari - Field Systems Engineer, Motorola 3.0 PRL - NAM1 Sprint_10013.rla...

  • Page 61: Introduction

    Logic / RF assembly is replaced. tive parts/assemblies. Defective circuit boards should be forwarded to the appropriate Motorola For general repairs which do not include service facility for repair. Refer to the “Replace- replacing the Logic/RF assembly, simply placing ment Parts”...

  • Page 62: No Turn On-Debug Procedure

    120X Product Support Tools TROUBLESHOOTING not present check L650 and replace Y650 Remember to remove R3000 – zero ohm resistor The goal in trouble shooting is to quickly nar- after the trouble shooting process. row down the possibilities to isolate a failure to a single faulty component.

  • Page 63: Receiver Troubleshotting

    120X Product Support Tools RECEIVER TROUBLESHOOTING No Service Make sure phone has service programming and has phasing data stored. This can be verified with QPST. Check for Rx IF VCO (367.2MHz) to be on frequency. Measure Rx IF VCO control voltage. It should be between 1 and 2 volts.
  • Page 64 120X Product Support Tools Symptom Verification and Remedy Probable Cause 1. Phone will not turn a) Battery either 1. Measure battery voltage across a 50 ohm (>1 on or stay on. discharged or defective. Watt) load. 2. If the battery voltage is <3.4 V DC, recharge the battery using the appropriate battery charger.
  • Page 65 120X Product Support Tools Symptom Verification and Remedy Probable Cause 3. Display is erratic, a) Defective display 1. Disassemble the display and reassemble to check or provides partial or module. the connection. If it does not recover, check the nodisplay. transceiver board.
  • Page 66 120X Product Support Tools This page is intentionally left blank. 1/15/02...

  • Page 98: Replacement Parts

    Replacement Parts Personal Communications Sector V.120X © 2001 Motorola, Inc.

  • Page 99: Mechanical Parts List

    SPEAKER 15DX2.7 TALL W/PADS SHN8062A H&H TRPN1X GRAY 0587903L02 GROMMET RF PLUG COLORED 5009005J10 ALERT 12MM 3.8DIA V120 5987947K08 VIBRATOR ASSY GROMMET SVN4708AA SFWR V120X SPRINT SYN0308A HW GENERIC V120 1X CDMA 4088527L01 MYLAR V120 SYN9345C V120 1X MAIN BRD 1/8/02...

  • Page 100: Electrical Parts List

    V.120X Replacement Parts ELECTRICAL PARTS LIST Top Side Parts List Reference Des ‘Part Number Description 2113743N40 CAP CHIP 39.0 PF FL430 9185782G03 FLTR CER TX 1800/ FL600 9185906G09 FLTR CER DIPLX 85 0987636K06 CONN I/O L273 2409646M96 IND CER MULTILYR L400 2409646M93 IN CER MULTILYR 3...
  • Page 101 V.120X Replacement Parts C207 2113928N01 CAP CER CHIP 0.1U C208 2113743N50 CAP CHIP 100 PF 5 C209 2113743K16 CAP CHIP .220 UF C220 2113743L17 CAP CHIP 1000 PF C223 2113928N01 CAP CER CHIP 0.1U C224 2113947C01 CAP DL ARRAY 1000 C226 2113743L17 CAP CHIP 1000 PF...
  • Page 102 V.120X Replacement Parts C3006 2113743L41 CAP CHIP 10000 PF C3007 2113743L41 CAP CHIP 10000 PF C3008 2113743L41 CAP CHIP 10000 PF C3009 2113743L41 CAP CHIP 10000 PF C301 2113743N50 CAP CHIP 100 PF 5 C3010 2113928C04 CAP CER CHIP 4.7U C3011 2113928C04 CAP CER CHIP 4.7U...
  • Page 103 V.120X Replacement Parts C3350 2113928C04 CAP CER CHIP 4.7U C3400 2113928P04 CAP CER CHIP 1.0U C3450 2113743A24 CAP CHIP .330 UF C3800 2113928P04 CAP CER CHIP 1.0U C3802 2113743A24 CAP CHIP .330 UF C3803 2113928C12 CAP CER CHIP 10.0 C3804 2113928C12 CAP CER CHIP 10.0 C3820...
  • Page 104 V.120X Replacement Parts C5000 2113928N01 CAP CER CHIP 0.1U C5001 2113928N01 CAP CER CHIP 0.1U C501 2113928N01 CAP CER CHIP 0.1U 2113743N32 CAP CHIP 18.0 PF C5100 2113947H01 CAP DL ARRAY 100," C5201 2113928N01 CAP CER CHIP 0.1U C524 2113743L17 CAP CHIP 1000 PF C531 2113743N50...
  • Page 105 V.120X Replacement Parts L500 2409377M19 IND CHIP WW 120 N L508 2409377M19 IND CHIP WW 120 N 2409154M96 IND CER MLTILYR 4 2409154M96 IND CER MLTILYR 4 L531 2409154M13 IND CER MLTILYR 1 L551 2409377M19 IND CHIP WW 120 N L552 2409377M19 IND CHIP WW 120 N...
  • Page 106 V.120X Replacement Parts R308 0662057M01 RES. CHIP 0 R3800 0662057M78 RES. CHIP 1500 5 R3801 0662057M86 RES. CHIP 3300 5 R3802 0662057M98 RES. CHIP 10K 5 R3803 0662057N09 RES. CHIP 27K 5 R3823 0662057M90 RES. CHIP 4700 5 R3824 0662057M43 RES.
  • Page 107 V.120X Replacement Parts SH300 2689575L01 SHIELD SYNTH TARP SH3000 2689573L01 SHIELD EXTBUS TAR SH400 2689576L01 SHIELD PA V120 SW50 0987378K01 CONN RF MOD3 U1000 5109962C25 IC MOB STA MOD 51 U200 5109817F59 IC RX IF-BASEBAND U2000 5185130C97 IC SAWTOOTH U2001 5199342A01 IC FLASH ROM 512K U2002...
  • Page 108 V.120X Replacement Parts Bottom Side Electrical Parts List Ref Des# Part # Description C100 2113947C01 CAP DL ARRAY 1000 C1000 2113928N01 CAP CER CHIP 0.1U C1001 2113743L41 CAP CHIP 10000 PF C1002 2113928N01 CAP CER CHIP 0.1U C1003 2113743L41 CAP CHIP 10000 PF C1004 2113928N01 CAP CER CHIP 0.1U...
  • Page 109 V.120X Replacement Parts C500 2113743N50 CAP CHIP 100 PF 5 C502 2113743N40 CAP CHIP 39.0 PF C503 2113743L29 CAP CHIP 3300 PF C504 2113743N50 CAP CHIP 100 PF 5 C505 2113743L01 CAP CHIP 220 PF 1 C506 2113743L01 CAP CHIP 220 PF 1 C507 2113743N40 CAP CHIP 39.0 PF...
  • Page 110 V.120X Replacement Parts L111 2409154M48 IND CER MLTILYR 1 L112 2409154M16 IND CER MLTILYR 1 L113 2409154M37 IND CER MLTILYR 1 L114 2409154M17 IND CER MLTILYR 2 L115 2409154M34 IND CER MLTILYR 6 L120 2409154M10 IND CER MLTILYR 5 L121 2409154M96 ND CER MLTILYR 4 L122...
  • Page 111 V.120X Replacement Parts RT430 0685660C01 THERMISTOR 3% 040 SH100 2689577L01 SHIELD RX V120 SH500 2689577L01 SHIELD RX V120 SW6000 4009368L08 SW TACT RT ANG 3 SW6001 4009368L08 SW TACT RT ANG 3 SW6002 4009368L08 SW TACT RT ANG 3 SW6003 4009368L08 SW TACT RT ANG 3 U130...

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