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FILE NO. 120-9803 SERVICE MANUAL Television Video Cassette Recorder M-V19H01 PRINTED IN KOREA. DEC, 1998...
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TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...
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TOTAL CONTENTS Precautions Specifications Operating Instructions and Installation Disassembly and Reassembly Alignment and Adjustment (Mechanical) Alignment and Adjustment (Electrical) Troubleshooting Exploded View and Parts List Electric Parts List Block Diagram PCB Layout Wiring Diagram Schematic Diagrams...
Precautions 1. Precautions Follow these safety, servicing and ESD precautions to prevent damage and protect against potential hazards such as electrical shock and X-rays. 1-1 Safety Precautions 1. Be sure that all of the built-in protective devices are replaced. Restore any missing (READING SHOULD NOT BE ABOVE protective shields.
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Precautions 1-1 Safety Precautions (Continued) 9. High voltage is maintained within specified 15. Observe the original lead dress, especially limits by close-tolerance, safety-related near the following areas: Antenna wiring, components and adjustments. If the high sharp edges, and especially the AC and high voltage exceeds the specified limits, check voltage power supplies.
Precautions 1-2 Servicing Precautions Warning1: First read the “Safety Precautions” section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precautions. Warning2: An electrolytic capacitor installed with the wrong polarity might explode. 1.
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Precautions 1-3 Precautions for Electrostatically Sensitive Devices (ESDs) 1. Some semiconductor (Òsolid stateÓ) devices 5. Use only a grounded-tip soldering iron when are easily damaged by static electricity. Such soldering or unsoldering ESDs. components are called Electrostatically Sensitive Devices (ESDs); examples include 6.
Specifications 2. Specifications Format VHS Standard Recording System Rotary, azimuth two-head helical scanning system Luminance: FM azimuth recording Color signal: converted subcarrier phase shift recording Television System NTSC-type color signal EIA standard (525 lines, 60 fields) Audio Track 1 track Tape Width 12.7 mm (1/2 inch) Record Speed...
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Color TV/VCR Combination OWNER’S MANUAL M-V19H01...
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MPORTANT AFETY NSTRUCTIONS Save These Instructions Warning! Important Safety Instructions Important Safety Information Always be careful when using your TV/VCR. To reduce the risk CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT of fire, electrical shock, and other injuries, keep these safety REMOVE COVER (OR BACK).
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MPORTANT AFETY NSTRUCTIONS Save These Instructions Important Safety Information, continued • Avoid overhead power lines. An outside antenna system should not be placed in the vicinity of overhead power lines or other electric light or power circuits or where it can fall into such power lines or •...
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MPORTANT AFETY NSTRUCTIONS Save These Instructions Important Safety Information, continued • Ground outdoor antennas. If an outside antenna or cable system is • Do not attempt to service the TV/VCR yourself. Refer all servicing to connected to the TV/VCR, be sure the antenna or cable system is qualified service personnel.
ONTENTS Chapter 1: Learning About Your New TV/VCR ....1 Setting the Clock and Calendar ..... 11 Choosing Picture Settings......12 List of Features.
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ONTENTS Chapter 5: Special Features ..........21 Appendix..................28 Viewing the Demonstration Mode ....21 Caring for Your TV/VCR ......28 Using True Repeat .
TV/VCR, check to make sure that please fill out the registration technology. This TV/VCR is a you have all the parts shown card and return it to M-V19H01. • High-speed rewinding full-featured, high-performance here. If any piece is missing or •...
TV/VCR EARNING BOUT Understanding the Controls Front Panel Controls ˝ The buttons on the front panel ˆ (Channel ) buttons STOP/EJECT button control basic features. For more Press to change channels or Press to stop a video tape advanced features, you will use to select features on the during play, record, rewind, the remote control.
TV/VCR EARNING BOUT Understanding the Controls, continued Rear Panel VHF rod antenna and Œ VHF antenna mount 300-75 ohm adapter VHF rod antenna mount. See page 5. Connect the VHF rod antenna to the 300-75 ohm adapter. Connect ´ Antenna terminal the 300-75 ohm adapter to the Use this terminal (VHF/UHF antenna terminal on the TV/VCR.
TV/VCR EARNING BOUT Understanding the Controls, continued ’ ˜ Remote Control Use the remote control within 33 CLEAR P-STD (picture-standard) feet (10 meters) of the TV/VCR and Press to correct Press to select memorized or point it directly at the TV/VCR. programming errors, clear standard picture settings.
HAPTER NSTALLATION Connecting VHF and UHF Antennas ´ If you do not have cable TV, you Antennas With 300-ohm Place the wires from the twin Antennas With 75-ohm must connect an antenna to your leads under the screws on Flat Twin Leads Round Leads TV/VCR.
NSTALLATION Connecting VHF and UHF Connecting Cable TV Antennas, continued Systems to the TV/VCR ˇ Cable With a The supplied antenna has 300- Plug the combiner into the Choose one of the sections below Converter Box ohm twin flat leads. If you use a terminal on the rear panel of for connecting a cable system.
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NSTALLATION Connecting Cable TV Systems to the TV/VCR, continued ´ ˆ Connect one of the coaxial cables between the splitter and the Connect the fourth coaxial cable between the output on the RF input on the converter box. (A/B) switch and the terminal on the TV/VCR’s back panel. ˇ...
NSTALLATION Installing Batteries in the Remote Control ˇ Replace the cover. Œ Open the battery compartment by pressing down on the back cover’s tab, then lifting up. Remove the batteries and store them in a cool, dry place if you won’t be using the remote control for a long time.
TV O HAPTER HREE PERATION Viewing the Viewing the Main Menu Selecting the On-screen Display On-screen Language ´ Œ The on-screen displays Press DISPLAY again (while With the power on, press On-screen text can appear in automatically appear on the the display items are still on MENU.
TV O PERATION Selecting the Programming Signal Source the Channels ˇ The first step in programming Storing Channels in Press CH until “Auto Press MENU at any time to interrupt the programming your TV/VCR is to select the Program” is highlighted. Memory process and return to normal signal source of your antenna or...
TV O PERATION Programming the Setting the Clock Channels, continued and Calendar ˆ ˇ • When entering single-digit Press CH until “Add/Erase” To record programs while you Press VOL+. channels, press 0 first. For is highlighted. are away, or to use the sleep example, to select channel 8, timer, you must first set the press 0 then 8.
TV O PERATION Setting the Clock Choosing and Calendar, continued Picture Settings ˇ ¨ Press VOL+. If you make a mistake, press Your TV/VCR has preset, Press VOL+ or VOL– to VOL– to move back to the standard values for picture change the setting.
TV O PERATION Choosing Picture Setting the Sleep Timer Using the On/Off Timer Settings, continued ¨ Resetting Standard The sleep timer automatically This timer turns the TV/VCR on Press VOL+ to make the turns off the TV/VCR at the time or off at a specific time.
VCR O HAPTER PERATION Inserting and Ejecting Playing a a Video Tape Video Tape To insert a video tape: The TV/VCR loads the tape Playing a Tape Pausing Œ Œ automatically. Œ Insert the video tape. While a tape is playing, press Hold the video tape window- P./STILL to pause the tape.
VCR O PERATION Playing a Video Tape, continued Using Picture Search Using Tracking Using the Time Counter The TV/VCR automatically resets the counter to “00:00:00” Picture Search lets you quickly This feature automatically The time counter allows you to when you eject a tape. search a pre-recorded video adjusts tracking on video tapes.
VCR O PERATION Playing a Video Tape, Recording TV Programs continued as You Watch ´ ˇ Press FF or REW to return to Recording Select the television channel Œ the scene you marked. you want by pressing CH With your TV/VCR turned on, or by using the number and with a tape in the unit, The TV/VCR stops the tape...
VCR O PERATION Recording TV Programs Using Advanced as You Watch, continued Recording Features Editing While Recording One-touch Recording Your recording time options Timer Recording are: 30 minutes, 1 hour, 1 You can edit while recording, One-touch Recording (OTR) lets You can set the timer to record hour and 30 minutes, 2 hours, selecting only those scenes you...
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VCR O PERATION Using Advanced Recording Features, continued If you are recording a The starting minute will blink. channel that comes through Use CH or CH to select a cable converter box, enter the minute to begin the output number of the recording.
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VCR O PERATION Using Advanced Recording Features, continued ˝ The ending minute will blink. Press VOL+. Press VOL+. Important Use CH or CH to select • The TV/VCR should be off to the minute to end recording. record the programs you’ve Press VOL+ to lock in the chosen.
VCR O PERATION Using Advanced Recording Features, continued Using Program Review The Program Review screen The TV/VCR is equipped with appears. The information for a program memory backup Program Review allows you to the first program appears on that saves all the timer review all of the programmed the screen.
HAPTER PECIAL EATURES Viewing the Using True Repeat Demonstration Mode ˇ The Demonstration Mode Press CH until You can set your TV/VCR to The TV/VCR will play the tape displays all on-screen menus “Demonstration” is automatically repeat a tape or a until it reaches a the end of and programmable features.
PECIAL EATURES Using Block Repeat Viewing Closed Captions ˇ ´ Block Repeat allows you to Insert and play a pre- Your TV/VCR decodes and Press VOL+ to turn the closed repeat a section of tape that you recorded video tape. displays closed captions.
PECIAL EATURES Viewing Closed Captions, continued Copying, or Dubbing, a Video To make a copy, or “dub,” of another video tape, you need: In text mode, information unrelated to the captions is displayed, such as news or weather. Text often covers a large portion of the screen. •...
PECIAL EATURES Copying, or Dubbing, a Video, continued ´ Attach one end of the second cable to the AUDIO OUT connector of the VCR (or camcorder) and the other end to the AUDIO IN connector of the recording TV/VCR. ˇ Press LINE IN on the remote control of the recording TV/VCR.
HAPTER ROUBLESHOOTING Identifying TV Problems Identifying VCR Problems Poor picture, no picture, blurred Unit won’t turn on. Unit didn’t record a timer Rewind command doesn’t work. picture, or blue screen. program. • Make sure the unit is plugged • Make sure the VCR is not in •...
PANISH UICK EFERENCE UIDE Guía de Consulta Rápida Reproducción de Cinta Grabación Reproducción Fin de reproducción Grabación Fin de grabación POWER + introducción cinta + PLAY STOP POWER + introducción cinta + SPEED STOP + seleccionar canal + REC Pausa Fin de pausa POWER + introducción cinta + PLAY + P./STILL PLAY Edición...
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PANISH UICK EFERENCE UIDE Guía de Consulta Rápida Grabación Uso de revisión de programas Fin de revisión de programas Ajuste del reloj POWER + MENU + CH + VOL+ + VOL+ + CH o CH + VOL+ + CH POWER + introducción cinta + MENU + MENU +MENU + VOL+ + CH o CH...
PPENDIX Caring for Your TV/VCR About Video Tapes Cabinet Recording at slower tape Please follow these guidelines Use only video tapes marked • Never open the cabinet or speeds allows tapes to hold to get the maximum VHS with this TV/VCR. touch the parts inside.
PPENDIX Specifications Format Heads Frequency response Video: Two rotary heads, SP: -6 dB 100 Hz – 10 KHz VHS Standard SLP: -6 dB 100 Hz – 5 KHz Recording system Audio/control: One stationary Rotary, azimuth two-head helical head TV tuners scanning system Erase: One full track erase, one VHF input: ch.
Limited United States Warranty Toshiba America Consumer Products, Inc. (“TACP”) and Toshiba Hawaii Inc. (“THI”) make the following limited warranties. These limited warranties extend to the original consumer purchaser or any person receiving this set as a gift from the original consumer purchaser and to no other purchaser or transferee.
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Canadian consumers are requested to complete the special Canadian “Warranty Registration Form” enclosed, and forward this completed form with a copy of bill of sale to TOSHIBA OF CANADA to “Register and Validate” their warranty. Products must be purchased from an Authorized Canadian Dealer.
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Disassembly and Reassembly 4. Disassembly and Reassembly 4-1 Deck Parts Locations 4-1-1 Deck (Top View) Fig. 4-1 Deck Top Parts Location (DX7-R/DX8-R DECK ONLY) 8. LEVER PINCH CAM 1. ARM TENSION FULL ASS’Y 16. IDLER ASS’Y 9. LEVER PINCH CAM 2.
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Disassembly and Reassembly 4-1-2 Deck (Bottom View) Fig. 4-2 Deck Bottom Parts Location 1. LEVER SLIDE PINCH 8. SLIDE MAIN 2. BELT CAPSTAN 9. LEVER REC SWITCH 3. MOTOR D.D CAPSTAN 10. LEVER IDLER CHANGE 4. BRAKE CAPSTAN ASS’Y 11. CLUTCH ASS’Y 5.
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Disassembly and Reassembly 4-1-3 Housing Fig. 4-3 Housing Parts Location 1. CHASSIS SIDE “L” ASS’Y 2. UPPER CHASSIS 3. CHASSIS SIDE “R” ASS’Y 4. SHAFT ARM ASS’Y 5. HOLDER CASSETTE ASS’Y 6. LEVER DOOR...
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Disassembly and Reassembly 4-2 Housing Assembly 4-2-1 Removal from Main Base 1. Remove 3 Screws 2. Lift the Housing AssÕy in the direction of arrow ÒBÓ, while pushing the tab in the direction of arrow ÒAÓ. (Refer to detail drawing) 3 SCREWS "B"...
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Disassembly and Reassembly 4-2-2 Disassembly 2 SCREWS UPPER CHASSIS HOLDER CASSETTE ASS'Y CHASSIS SIDE "L" CHASSIS SIDE "R" SHAFT ARM ASS'Y Fig. 4-5 Housing Ass’y Removal...
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Disassembly and Reassembly 4-2-3 Upper Chassis Removal 1. Remove 2 Screws 2. Lift the Upper Chassis in the direction of arrow ÒAÓ. 2 SCREWS UPPER CHASSIS "A" Fig. 4-6 Upper Chassis Removal...
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Disassembly and Reassembly 4-2-4 Holder Cassette Ass’y and Chassis Side L/R Removal 1. Lift the Cassette Holder in the direction of arrow ÒAÓ (Refer to Fig. A). 2. Remove the Side Chassis ÒLÓ and ÒRÓ from Arm Shaft AssÕy in the direction of arrow ÒBÓ, ÒCÓ (Refer to Fig.
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Disassembly and Reassembly 4-2-5 Chassis Side “R” Parts Locations (SIDE VIEW "A") "A" SPRING-LID OPENDER LEVER-LID OPENDER CHASSIS SIDE "R" SLIDE DAMPER SPRING-SLIDE DAMPER Fig. 4-8 Chassis Side “R” Parts Locations Note : If you operate the deck when the Cassette AssÕy Holder is removed, the Arm Shaft ÒRÓ and the Damper Slide are not returned to their original positions.
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Disassembly and Reassembly 4-2-6 Slide Damper Removal 1. Remove the Slide Damper Spring 2. Push the Stopper of the Side Chassis ÒRÓ . Move the Damper Slide in the direction of arrow. 3. Align the Damper Slide with the chassis side tab (as shown detail drawing). SPRING- SLIDE DAMPER SLIDE DAMPER STOPPER...
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Disassembly and Reassembly 4-3 Cylinder Ass’y 4-3-1 Exploded View of Cylinder Ass’y 1 SCREW HEAD BRUSH CYLINDER SUB ASS'Y HOLDER FPC MOTOR STATOR 3 SCREWS MOTOR ROTOR RETAINER RUBBER ASS'Y 2 SCREWS CYLINDER BASE 3 SCREWS Fig. 4-10 Exploded View of Cylinder Ass’y 4-10...
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Disassembly and Reassembly 4-3-2 Stopper Tape Removal (Only for Deck : DX7-R/DX8-R) 1. Release 1 tab in the direction of arrow ÒAÓ. (Refer to detail drawing) 2. Lift the Tape Stopper in the direction of arrow ÒBÓ. "A" STOPPER TAPE "B"...
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Disassembly and Reassembly 4-3-4 Cylinder Ass’y Removal from Main Base 1. Remove 3 Screws holding the Main Base and the Cylinder AssÕy. 2. Lift the Cylinder AssÕy in the direction of arrow. Note : Do not touch the video heads during removal or installation. 3 SCREWS CYLINDER ASS'Y Fig.
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Disassembly and Reassembly 4-3-5 Head Brush and Holder FPC Removal 1. Remove 1 Screw and then lift the Head Brush 2. Release the Holder FPC tab holding the Cylinder Base in the direction of arrow. (Refer to detail drawing) 3. Disconnect the Holder FPC from the Cylinder Base Note : When disconnecting the FPC Holder from the Cylinder Base...
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Disassembly and Reassembly 4-3-6 Cylinder Ass’y Removal from Cylinder Base 1. Remove 3 Screws from the Cylinder Base 2. Lift the Cylinder AssÕy # from the Cylinder Base in the direction of arrow. CYLINDER SUB ASS'Y CYLINDER BASE 3 SCREWS Fig.
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Disassembly and Reassembly 4-3-7 Motor Rotor Removal 1. Remove 2 Screws 2. Lift the Retainer Rubber AssÕy and the Motor Rotor 2 SCREWS RETAINER RUBBER ASS'Y MOTOR - ROTOR MOTOR - STATOR CYLINDER SUB ASS'Y Fig. 4-16 Motor Rotor Removal 4-15...
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Disassembly and Reassembly 4-3-8 Motor Rotor and Cylinder Sub Ass’y 1. Make sure that phase matching holes of the Motor Rotor and the Cylinder Sub AssÕy are aligned correctly as shown in Fig. 3-18 (Refer to phase matching hole). 2. Reinstall the Retainer Rubber AssÕy and secure with 2 Screws.
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Disassembly and Reassembly 4-3-9 Motor Stator Removal 1. Remove 3 Screws 2. Remove the Motor Stator from the Cylinder Sub AssÕy 3 SCREWS MOTOR - STATOR CYLINDER SUB ASS'Y Fig. 4-18 Motor Stator Removal 4-17...
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Disassembly and Reassembly 4-3-10 Motor Stator and Cylinder Sub Ass’y 1. Reinstall the Motor Stator toward the FPC cable of Cylinder Sub AssÕy 2. Secure with 3 Screws. (Refer to Fig. 4-19) MOTOR - STATOR CYLINDER SUB ASS'Y Fig. 4-19 Assembly of Motor Stator and Cylinder Sub Ass’y 4-18...
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Disassembly and Reassembly 4-4 Main Deck Removal and Reassembly 4-4-1 Slide Rack Housing Removal 1. Lift the Slide Rack Housing in the direction of arrow. SLIDE RACK HOUSING Fig. 4-20 Slide Rack Housing Removal 4-19...
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Disassembly and Reassembly 4-4-2 Assembly of Slide Rack Housing and Gear Master 1. Confirm that the hole of Master Gear and the hole ÒAÓ of Main Base are aligned correctly. (Eject mode) 2. Align the Slot #1 of Master Gear with the Tooth #1 of Rack Housing Slide .
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Disassembly and Reassembly 4-4-3 Brake Sub “L” Removal 1. Remove the Sub ÒLÓ Brake Spring 2. Release the tab in the direction of arrow. (Refer to detail drawing) 3. Lift the Sub ÒLÓ Brake SPRING-BRAKE SUB "L" BRAKE SUB "L" BRAKE SUB "L"...
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Disassembly and Reassembly 4-4-4 Arm Tension Full Ass’y Removal 1. Remove the Tension Spring 2. Release the tab in the direction of arrow. (Refer to detail drawing) 3. Lift the Full Tension Arm AssÕy SPRING TENSION ARM TENSION FULL ASS'Y ARM TENSION FULL ASS'Y <DETAIL>...
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Disassembly and Reassembly 4-4-6 Reel Disk “L” Ass’y and Gear Relay “S” Ass’y Removal 1. Release the tab in the direction of arrow. (Refer to detail drawing) 2. Lift the Reel Disk ÒLÓ AssÕy 3. Remove the Plain Washer 4. Remove the Slit Washer 5.
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Disassembly and Reassembly 4-4-7 Brake Sub “R” Ass’y Removal 1. Remove the Sub ÒRÓ Brake Spring 2. Release the tab in the direction of arrow. (Refer to detail drawing) 3. Lift the Brake Sub ÒRÓ AssÕy SPRING-BRAKE SUB "R" BRAKE-SUB "R" ASS'Y BRAKE-SUB "R"...
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Disassembly and Reassembly 4-4-8 Reel Disk “R” Ass’y and Gear Relay “T” Removal 1. Release the tab in the direction of arrow. (Refer to detail drawing) 2. Lift the Reel Disk ÒRÓ AssÕy 3. Remove the Plain Washer 4. Remove the Slit Washer 5.
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Disassembly and Reassembly 4-4-9 Brake Main “L”, “R” Ass’y Removal 1. Release the Main Brake Spring 2. Release the tab in the direction of arrow ÒAÓ. (Refer to detail drawing A) 3. Lift the Brake Main ÒLÓ 4. Release the tab in the direction of arrow ÒBÓ.
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Disassembly and Reassembly 4-4-10 Idler Ass’y Removal 1. Remove the Slit Washer . 2. Lift the Idler AssÕy WASHER-SLIT IDLER-ASS'Y Fig. 4-28 Idler Ass’y Removal 4-27...
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Disassembly and Reassembly 4-4-11 Unit Pinch Roller Ass’y Removal 1. Remove the Slit Washer 2. Lift the Pinch Roller Unit 3. Lift the Arm Pinch Spring WASHER-SLIT UNIT-PINCH ROLLER SPRING-ARM PINCH Fig. 4-29 Unit Pinch Roller Ass’y Removal 4-28...
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Disassembly and Reassembly 4-4-12 Assembly of Unit Pinch Roller 1. Install the Pinch Roller Unit as shown in Fig. 4-30. (Refer to A, B) SLIDER - PUSH "A" SLIDER - PINCH MOTOR - D.D CAPSTAN "B" UNIT - PINCH ROLLER (TOP VIEW) Fig.
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Disassembly and Reassembly 4-4-13 Exploded View of Lever Pinch Comp Ass’y, Lever Pinch Cam, Arm Review Ass’y and Lever Review Ass’y LEVER-PINCH COMP ASS'Y ARM-REVIEW ASS'Y LEVER-PINCH CAM LEVER-REVIEW Fig. 4-31 Exploded View of Lever Pinch Comp Ass’y, Lever Pinch Cam, Arm Review Ass’y and Lever Review Ass’y 4-30...
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Disassembly and Reassembly 4-4-14 Lever Pinch Comp Ass’y Removal 1. Release the tab in the direction of arrow. (Refer to detail drawing) 2. Lift the Pinch Comp Lever AssÕy Note : DonÕt touch the Pinch Comp Lever AssÕy to Audio Head Base during removal. LEVER-PINCH COMP ASS'Y LEVER-PINCH COMP ASS'Y <DETAIL>...
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Disassembly and Reassembly 4-4-15 Lever Pinch Cam Removal 1. Release the tab in the direction of arrow. (Refer to detail drawing) 2. Lift the Pinch Cam Lever LEVER-PINCH CAM LEVER-PINCH CAM <DETAIL> Fig. 4-33 Lever Pinch Cam Removal 4-32...
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Disassembly and Reassembly 4-4-16 Arm Review Ass’y Removal 1. Push the Stopper tab in the direction of arrow. 2. Pull the Review Arm AssÕy in the direction of arrow ÒAÓ and then confirm ÒBÓ. (Refer to detail drawing ÒAÓ) 3. Release the tab in the direction of arrow and then lift the Review Arm AssÕy Note : Take extreme care not to damage when removing the Review Arm AssÕy (B part of detail drawing A)
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Disassembly and Reassembly 4-4-17 Lever Review Removal 1. Release the tab in the direction of arrow. (Refer to detail drawing) 2. Lift the Review Lever LEVER-REVIEW <DETAIL> Fig. 4-35 Lever Review Removal 4-34...
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Disassembly and Reassembly 4-4-18 Belt Capstan Removal 1. Remove the Capstan Belt Note : Take extreme care not to touch the grease when removing or reinstalling. BELT-CAPSTAN Fig. 4-36 Belt Capstan Removal 4-35...
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Disassembly and Reassembly 4-4-19 Brake Capstan Ass’y Removal 1. Remove the Brake Capstan Spring 2. Release the tab in the direction of arrow. (Refer to detail drawing) 3. Lift the Capstan Brake AssÕy SPRING BRAKE CAPSTAN BRAKE CAPSTAN ASS'Y BRAKE CAPSTAN ASS'Y <DETAIL>...
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Disassembly and Reassembly 4-4-20 Motor D.D Capstan Removal 1. Remove 3 Screws . (Top view) 2. Lift the Capstan D.D Motor in the direction of arrow. (Bottom view) MOTOR D.D CAPSTAN <BOTTOM VIEW> <TOP VIEW> 3 SCREWS Fig. 4-38 Motor D.D Capstan Removal 4-37...
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Disassembly and Reassembly 4-4-21 Clutch Ass’y Removal 1. Remove the Slit Washer 2. Lift the Clutch AssÕy 3. Remove the Plain Washer WASHER-SLIT CLUTCH ASS'Y WASHER-PLAIN Fig. 4-39 Clutch Ass’y Removal 4-38...
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Disassembly and Reassembly 4-4-22 Gear Master Removal 1. Remove the Slit Washer 2. Lift the Master Gear WASHER-SLIT GEAR MASTER Fig. 4-40 Gear Master Removal 4-39...
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Disassembly and Reassembly 4-4-23 Assembly of Gear Master 1. When reinstalling, be sure to align the arrow of the Master Gear with home Gear of the Worm-Wheel Gear . (Refer to timing point) GEAR - MASTER GEAR - WORM WHEE TIMING UNIT - LOADING Fig.
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Disassembly and Reassembly 4-4-24 Unit Loading Removal Remove 2 Screws 2. Lift the Loading Unit in the direction of arrow. 2 SCREWS UNIT LOADING Fig. 4-42 Unit Loading Removal 4-41...
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Disassembly and Reassembly 4-4-25 Lever Slide Pinch Removal Remove the Slit Washer 2. Lift the Slide Lever Pinch WASHER-SLIT LEVER SLIDER PINCH Fig. 4-43 Lever Slide Pinch Removal 4-42...
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Disassembly and Reassembly 4-4-26 Assembly of Lever Slide Pinch 1. Pull the Pinch Slide to the end in the direction of arrow. 2. Insert the Pinch Slide into the hole of Slide Lever Pinch . (Refer to detail ÒAÓ) SLIDER - PINCH LEVER - SLIDER PINCH SLIDER - MAIN SLIDER - PINCH BOSS...
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Disassembly and Reassembly 4-4-27 Slide Main Removal 1. Remove the Slit Washer 2. Release 3 tabs in the direction of arrow. 3. Lift the Main Slide SLIDER MAIN WASHER-SLIT Fig. 4-45 Slide Main Removal 4-44...
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Disassembly and Reassembly 4-4-28 Assembly of Slide Main 1. Install the shaft of Loading ÒRÓ Gear AssÕy into the left of the Main Slide Hole and secure with the Slit Washer . (Refer to detail ÒAÓ) 2. Insert the Tension Control Lever and the Idler Change Lever into the Main Slide Hole.
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Disassembly and Reassembly 4-4-29 Lever Shift Ass’y Removal 1. Hang the Lever Shift Spring to the claw of the Shift Lever . (Refer to detail drawings A, B) 2. Release the tab in the direction of arrow. 3. Lift the Shift Lever SPRING LEVER SHIFT LEVER SHIFT LEVER SHIFT...
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Disassembly and Reassembly 4-4-30 Lever Idler Change Removal 1. Release the tab in the direction of arrow. (Refer to detail drawing) 2. Lift the lever Change Idler LEVER IDLER CHANGE LEVER IDLER CHANGE <BOTTOM VIEW> MAIN BASE <TOP SIDE> <DETAIL> Fig.
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Disassembly and Reassembly 4-4-31 Gear Loading “L”, “R” Ass’y Removal 1. Remove the Loading ÒRÓ Gear AssÕy from the Roller ÒTÓ Guide # by pushing the Loading ÒRÓ Spring in the direction of arrow. (Refer to detail drawing A) 2. Remove the Loading ÒLÓ Gear AssÕy from the Roller ÒSÓ...
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Disassembly and Reassembly 4-4-32 Assembly of Gear Loading “L”, “R” Ass’y 1. When reinstalling, be sure to align 2 arrow as shown in Fig. 4-50. (Refer to timing point) TIMING POINT ALIGN TWO ARROWS GEAR - LOADING GEAR - LOADING "...
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Disassembly and Reassembly 4-4-33 Slide Pinch Removal 1. Push the tab ¬ in the direction of arrow ÒAÓ. (Refer to detail drawing) 2. Lift the Slide Pinch in the direction of arrow ÒBÓ. SLIDER PINCH MAIN BASE "A" <DETAIL> "B" "A"...
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Disassembly and Reassembly 4-4-34 Slide Push Removal 1. Remove the Slide Push Spring 2. Push the Slider in the direction of arrow ÒAÓ. 3. Lift the Push Slider by pushing the tab in the direction of arrow ÒBÓ. (Refer to detail drawing) SPRING SLIDER PUSH SLIDER PUSH "A"...
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Disassembly and Reassembly 4-4-35 Prism LED Removal 1. Release the tab in the direction of arrow. (Refer to detail drawing) 2. Lift the LED Prism PRISM LED PRISM LED <DETAIL-TOP VIEW> Fig. 4-53 Prism LED Removal 4-52...
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Disassembly and Reassembly 4-4-36 Lever Record Switch Removal 1. Remove the Record Switch Spring 2. Release the tab in the direction of arrow. (Refer to detail drawing) 3. Lift the Record Switch Lever SPRING REC S/W LEVER REC S/W MAIN BASE LEVER REC S/W 2 TAB <DETAIL>...
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Disassembly and Reassembly 4-4-37 Full Erase Head Removal 1. Remove 1 Screw 2. Lift the F/E Magnet Head 1 SCREW MAGNET F/E HEAD Fig. 4-55 Full Erase Head Removal 4-54...
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Disassembly and Reassembly 4-4-38 ACE Head Removal and Reassembly 1. Release the tab holding ACE Holder toward arrow. (Refer to detail drawing A) 2. Remove 1 Screw 3. Lift the ACE Head AssÕy Magnet Assembly : When reinstalling, be sure to align the 3 teeth of X-Position adjustment gear with the 2 slot of ACE Head Base.
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Disassembly and Reassembly 4-4-39 Slide Guide Roller “S”, “T” Ass’y Removal 1. Remove the Cylinder AssÕy from the Main Base. (Refer to Fig. 4-12, 4-13, 4-14) 2. Remove the Slide ÒSÓ, ÒTÓ from the Loading ÒLÓ, ÒRÓ Gear AssÕy. (Refer to Fig. 4-50) 3.
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Disassembly and Reassembly 4-4-40 Assembly of Slide Guide Roller “S”, “T” Ass’y (When all parts except the Cylinder Ass’y are removed.) 1. Push 4 Lever Locks of the Housing AssÕy Simultaneously. (Refer to Fig. 4-57) 2. Push the Cassette AssÕy Holder toward arrow ÒBÓ...
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Disassembly and Reassembly SLIDER - G / R SLIDER - G / R ASSEMBLY (T) ASSEMBLY (S) GEAR - LOADING GEAR - LOADING " L" ASSEMBLY " R " ASSEMBLY Fig. 4-59 Assembly of Slide Guide Roller “S”, “T” Ass’y 4-58...
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Disassembly and Reassembly 4-5 Cleaning and Lubrication 4-5-1 Cleaning Tape Mechanism Periodic cleaning of the tape mechanism is Use grease on the following parts every 1,000 necessary. To clean the following parts, use hours. (See exploded view for location) : patch and solvent : 1.
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Disassembly and Reassembly ASSEMBLY PROCEDURES FOR DECK PARTS DESCRIPTION SUBPARTS LOCATE REMARK BASE MAIN ASS’Y GREASE TOP VIEW MOTOR D.D CAPSTAN 3 SCREWS TOP VIEW LEVER JOG ASS’Y 1 SCREW TOP VIEW DX8-R/DX8-RC GEAR RELAY “S” ASS’Y 1 WASHER SLIT TOP VIEW GEAR RELAY “T”...
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Disassembly and Reassembly DESCRIPTION SUBPARTS LOCATE REMARK PRISM LED TOP VIEW SLIDER RACK HOUSING TOP VIEW LEVER REC S/W TOP VIEW SPRING REC S/W TOP VIEW SPRING TENSION TOP VIEW SPRING SLIDE PUSH TOP VIEW MAGNET ACE HEAD ASS’Y 1 SCREW TOP VIEW HOUSING ASS’Y 3 SCREWS...
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Disassembly and Reassembly 4-6 Disassembly (TV) 4-6-1 Back Cover Removal Remove the screws located on the side of the back cover. 4-62...
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Disassembly and Reassembly 4-6-2 Main Assembly Removal 1. Release two connectors between sub PCB and Main Assembly. 2. Pull the Main Assembly backwards to remove. 4-63...
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Disassembly and Reassembly 4-6-3 Monitor Frame Removal 1. Remove 3 screws from the Main Assembly. Remove the dust cover. 2. Remove 4 screws from the Deck Assembly. 4-64...
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Disassembly and Reassembly 4-6-4 Deck Assembly Removal 4-6-5 Main Assembly Removal 1. Remove 2 screws holding the bottom cover. 1. Remove 2 screws holding the upper chassis housing. 2. Remove one screw from Main PCB Assembly. Take off the deck Assembly. 2.
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Disassembly and Reassembly 4-6-6 Top Cabinet Removal 1. Remove two (2) screws located at the rear of the top cabinet. 2. Carefully lift the back of the top cabinet and shield it to the rear to remove. 4-6-7 Deck Removal 4-66...
Alignments and Adjustments (Mechanical) 5. Alignments and Adjustments (Mechanical) 5-1 Mechanical Adjustments 5-1-1 Tape Transport Adjustment Note : The tape transport system was adjusted precisely in the factory, any adjustments is unnecessary except for: Noise on the screen. Tape damage. Parts replacement in the tape transport system.
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Alignments and Adjustments (Mechanical) 5-2 Adjustments 5-2-2 Adjustments 5-2-1 Preadjustment 5-2-2(A) A/C HEAD HEIGHT ADJUSTMENT 1. When parts are replaced, the tape ran sport system may be changed. When many different parts are replaced, refer to the 1. Run a standard tape. procedures for the tape transport system.
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Alignments and Adjustments (Mechanical) 5-2-(B) A/C HEAD TILT ADJUSTMENT 5-2-2(D) A/C HEAD POSITION (X-POINT) ADJUSTMENT 1. Play back a T-160 tape and observe how the 1. Start a tape Ò lion patternÓ and play back a tape runs at the lower flange of the tape 7KHz signal.
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Alignments and Adjustments (Mechanical) SCOPE SETTINGS 5-2-2(C) AUDIO AZIMUTH ADJUSTMENT Test Points :EYM03-H’D SW (head switching sync) EYM05-EnV (envelope waveform) Fig. 5-8 Tracking Preset Adjustment Fig. 5-10 Test Point Position (Main PCB : Parts) 1. Play back the tape lion pattern. Fig.
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Alignments and Adjustments (Mechanical) 5. If Fig. 5-12 B does no meet the specification, adjust the T-guide roller up or down. Fig. 5-13 7. Play back the tape (lion pattern). 8. Connect CH1 to EYM05 (ENV), and CH2 to Fig. 5-12 Adjustment Points EYM03 (HÕD) for taking sync (located on the same PCB).
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Alignments and Adjustments (Mechanical) 5-2-4 Check Switch over from RPS to 5-2-5 Envelope Check Playback Mode 1. Make recordings on T-120 and T-160 tapes, and make sure that the playback output 1. Check the transition from RPS to playback envelope meets the specification show in Fig. mode using a pre-recorded SP tape.
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Alignments and Adjustments (Mechanical) 5-3 Reel Torque Adjustments 5-3-1 Reel Torque 5-3-2 Location of Tension Pole and Back Tension Adjustment 1. The rotation of the capstan motor drives the clutch assembly through the capstan motor 1. Remove the housing assembly and set the belt.
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Alignments and Adjustments (Mechanical) 5-4 Circuit (SERVO) Adjustment 5-4-1 Adjust the switching point. 1. Play back the SP standard tape. 2. Connect the oscilloscope CH1 to EYM03 (HÕD) and CH2 to EYM11 (V.OUT) 3. Set the oscilloscope sync to CH1, and adjust VRM601 for 6.5H ±...
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Alignment and Adjustments (Electrical) 6. Alignment and Adjustments (Electrical) 6-1 Factory Alignment 6-1-1 Factory Mode Menus 6-1-3 Factory Mode Adjustment Settings Since there are no VRs in the KCV13A chassis, all adjustments must be performed in the ÒFactory mode.Ó Factory Mode adjustments are necessary if either the EEPROM (IC902) or the CRT is replaced.
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Alignment and Adjustments (Electrical) 6-1-4 IC902 Replacement 6-1-8 Sub-Tint Adjustment When IC902 is replaced, all values are reset to 1. Input a 7 color-bar pattern. ÒInitialized MICOM Data,Ó so readjustment is necessary. 2. Using an oscilloscope, check IC200 Pin 21 (marked ) B-OUT.
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Alignment and Adjustments (Electrical) 6-1-10 White Balance Adjustment 6-1-10 (A) LOW-LIGHT ADJUSTMENTS 1. Input either a lion head or Òpure whiteÓ color pattern. 2. Warm up the receiver for 30 minutes. 3. Check data in the Factory mode: RC, GC, BC should be Ò0Ó. Steps BG and GG should be 128.
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? I 4 @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? 1. White Balance Adjustment 4. If there is no Toshiba pattern available, use a 10 step pattern and adjust as follows: 2.
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Alignment and Adjustments (Electrical) 6-2 Electrical Adjustment (TV) 6-2-1 General Alignment Instructions 6-2-2 Fail Safe Circuit Check (FS) 1. Usually, a color TV-VCR needs only a slight 1. The failsafe check must be the final step in touch-up adjustment upon installation. Check servicing.
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Alignment and Adjustments (Electrical) 6-2-5 CRT Gray Scale Adjustment 6-2-7 Color Purity Adjustment 1. Set the Color control to minimum. 1. If a magnetic-tape beam bender is mounted on the neck of the picture tube, replace it with an 2. Adjust the Brightness and Contrast controls adjustable-type (Magnet Assembly) prior to for a low light area.
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Alignment and Adjustments (Electrical) Fig. 6-5 Tube Assembly Fig. 6-6 Purity and Convergence Magnets...
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Alignment and Adjustments (Electrical) 6-2-8 Center Convergence Adjustment 1. Before attempting convergence adjustments, 5. Next, turn both tabs at the same time. Keep the receiver should be powered on for at least the angle constant, and superimpose red and 20 minutes. blue horizontal lines at the center of the screen.
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Alignment and Adjustments (Electrical) 6-2-9 Circumference Convergence Adjustment 4. Place the other wedge into the bottom space 1. Tilt the yoke by loosening the clamp screw. and remove the cover paper. 2. Insert a temporary mounting wedge. Do not 5. Tilt the front of the yoke right or left to obtain remove the cover paper on the adhesive part better convergence in circumference.
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Alignment and Adjustments (Electrical) 6-2-10 White Balance Adjustment 6-2-10 (B) ADJUSTMENT 6-2-10 (A) PREPARATION 1. Slowly turn the Screen control 1. Input a monochrome test pattern. counterclockwise until a dim colored line (red, green or blue) appears. Then turn it 2.
Electric Parts List 9. Electric Parts List 9-1 M-V19H01/ITCX LOC NO PARTS NO Description & Specification REPLACEMENT NO Q’ty REMARKS M-220/SAN-S BZ620006 M-220/SAN-S;2HD,NTSC,MONO,IS,S/V,TOSHIBA AA94-80003K SPRING BZ720001 SPRING-PS;-,-,SUS304,PI0.5,-,- AA61-60021A ASSY-FRAME BZ620007 ASSY-FRAME;VO,SV-M30 AA90-40001A FD+PCB BZ720002 SCREW-TAPPING;RH,+,2,M3,L12,ZP 6002-000507 DE+FD BZ720002 SCREW-TAPPING;RH,+,2,M3,L12,ZP 6002-000507...
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Electric Parts List LOC NO PARTS NO Description & Specification REPLACEMENT NO Q’ty REMARKS QM603 70795136 TR-SMALLSIGNAL;KSC945,NPN,60V, 0501-000398 QM608 70795136 TR-SMALLSIGNAL;KSC945,NPN,60V, 0501-000398 QM104 70693238 TR-DIGITAL;KSR1003,NPN,300MW,2 0504-000118 QM701 70693238 TR-DIGITAL;KSR1003,NPN,300MW,2 0504-000118 QM702 70693238 TR-DIGITAL;KSR1003,NPN,300MW,2 0504-000118 QM703 70693238 TR-DIGITAL;KSR1003,NPN,300MW,2 0504-000118 QM302 BY530014 TR-DIGITAL;KSR1004,NPN,300MW,4 0504-000119 QM312* BY530014...
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Electric Parts List LOC NO PARTS NO Description & Specification REPLACEMENT NO Q’ty REMARKS RM210 70795005 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000429 RM222 70795005 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000429 RM223 70795005 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000429 RM364 70795005 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000429 RM573 70795005 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000429 RM601 70795005 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000429 RM602 70795005 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000429 RM603...
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Electric Parts List LOC NO PARTS NO Description & Specification REPLACEMENT NO Q’ty REMARKS RM668 70795032 R-CARBON;33KOHM,5%,1/8W,AA,TP, 2001-000660 RM636 70795507 R-CARBON;36KOHM,5%,1/8W,AA,TP, 2001-000679 RM315 70795040 R-CARBON;4.7KOHM,5%,1/8W,AA,TP 2001-000734 RM619 70795040 R-CARBON;4.7KOHM,5%,1/8W,AA,TP 2001-000734 RM325 70795039 R-CARBON;470ohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000780 RM326 70795039 R-CARBON;470ohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000780 RM592 70795039 R-CARBON;470ohm,5%,1/8W,AA,TP,1.8x3.2mm 2001-000780 RM217...
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Electric Parts List LOC NO PARTS NO Description & Specification REPLACEMENT NO Q’ty REMARKS CM670 BY130070 C-CERAMIC,MLC-AXIAL;10NF,+80-2 2202-000127 CM680 BY130070 C-CERAMIC,MLC-AXIAL;10NF,+80-2 2202-000127 CM321 BY130071 C-CERAMIC,MLC-AXIAL;10PF,5%,50 2202-000143 CM624 70795076 C-CERAMIC,MLC-AXIAL;15PF,5%,50 2202-000162 CM625 70795076 C-CERAMIC,MLC-AXIAL;15PF,5%,50 2202-000162 CM626 70795076 C-CERAMIC,MLC-AXIAL;15PF,5%,50 2202-000162 CM627 70795076 C-CERAMIC,MLC-AXIAL;15PF,5%,50 2202-000162 CM342...
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Electric Parts List LOC NO PARTS NO Description & Specification REPLACEMENT NO Q’ty REMARKS CM330 BY130108 C-AL;1UF,20%,50V,GP,5X11MM,5MM 2401-000603 CM332 BY130108 C-AL;1UF,20%,50V,GP,5X11MM,5MM 2401-000603 CM333 BY130108 C-AL;1UF,20%,50V,GP,5X11MM,5MM 2401-000603 CM338 BY130108 C-AL;1UF,20%,50V,GP,5X11MM,5MM 2401-000603 CM339 BY130108 C-AL;1UF,20%,50V,GP,5X11MM,5MM 2401-000603 CM340 BY130108 C-AL;1UF,20%,50V,GP,5X11MM,5MM 2401-000603 CM353 BY130108 C-AL;1UF,20%,50V,GP,5X11MM,5MM 2401-000603 CM417...