JVC MX-G850V

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MX-G950V/MX-G880V

MX-G850V/MX-G750V

CN504

CN661

CN651

CN102

Main board

CD changer mechanism

assembly

CD servo board

VCD board

Extension code connecting method

Main Page

Contents1
Safety Precautions2
Preventing Static Electricity3
Grounding to Prevent Damage by Static Electricity3
Handling the Optical Pickup3
Handling the Traverse Unit (Optical Pickup)3
Shown in Fig3
Important for Laser Products4
Reproduction and Position of Labels4
Disassembly Method5
Removing the Metal Cover5
See Fig.5
Removing the CD Changer Mechanism Assembly6
Removing the Fan7
Removing the Front Panel Assembly7
Removing the Tuner Board8
Removing the Rear Cover / Rear Panel8
Removing the Main Board9
Removing the Speaker Board10
Removing the Power Board10
Removing the Amplifier Board / Voltage Board / Heat Sink11
Removing the Power Transformer Assembly12
Removing the Regulator Board12
Removing the Power Cord12
Front Panel Assembly13
Removing the Display System Control Board13
Removing the CD Eject Board13
Removing the Preset / Tuning Switch Board14
Removing the Operation Switch Board14
Speaker Section - Disassembly Method15
Removing the Front Cover15
Removing the Woofer Speaker16
Removing the Tweeter Speaker16
Woofer Speaker Section - Disassembly17
Removing the Rear Speaker18
Removing the Rear Cover18
Removing the CD Servo Control Board19
Removing the CD Tray Assembly19
Removing the CD Loading Mechanism Assembly21
Removing the CD Traverse Mechanism21
Removing the CD Pick Unit21
Removing the Try Select Switch Board22
Removing the Cam Unit22
Removing the Actuator Motor and Belt23
Assembly and Configuration Diagram23
Removing the Cams R1/R2 Assembly and Cam Gear24
Removing the C.G. Base Assembly24
Cassette Mechanism Section25
Removing the Playback,Recording and Eraser Heads25
Reassembling the Playback, Recording and Eraser Heads25
Removing the Head Amp. and Mechanism Control Board26
Removing the Capstan Motor Assembly26
Removing the Capstan Motor27
Removing the Flywheel27
Removing the Reel Pulse Board and Solenoid27
Adjustment Method28
Measurement Instrument Required for Adjustment28
Measurement Conditions28
Precautions for Measurement28
Arrangement of Adjusting Positions29
Tape Recorder Section30
Reference Values for Confirmation Items30
Electrical Performance31
Reference Values for Electrical Function Confirmation Items31
Extension Code Connecting Method32
Flow of Functional Operation until TOC Read33
Maintenance of Laser Pickup34
Replacement of Laser Pickup34
Cleaning the Pick up Lens34
Semi-Fixed Resistor on the APC PC Board34
Description of Major Ics35
Block Diagram43
Schematic Diagrams57
Block Diagram59
Printed Circuit Boards71
Parts List80
Exploded Diagrams and Parts Lists82
Grease Point92
Packing Materials and Accessories Parts List110
Exploded View of General Assembly and Parts List114

Table of Contents

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