Table Of Contents - JVC MX-GT700 Service Manual

Table of Contents

Table Of Contents1
Safety Precautions2
Warning2
Importance Administering Point On The Safety3
Fuse Board (Forward Side)3
Power Supply Board (Forward Side)3
Preventing Static Electricity4
Grounding To Prevent Damage By Static Electricity4
Ground The Workbench4
Handling The Optical Pickup4
Disassembly Method5
Removing The Metal Cover5
Removing The Cd Tray Fitting5
Removing The Cd Changer Unit5
Removing The Front Panel Assembly6
Removing The Heat Sink & Amp. Board7
Removing The Fan Motor7
Removing The Tuner Board7
Removing The Rear Panel7
Removing The Main Board8
Removing The Power Cord8
Removing The Power Ics8
Removing The Power Transformer8
Removing The Power / Cd Switch Board9
Removing The Fl Display & System Control Board9
Removing The Headphone Jack Board9
Removing The Front Key Switch Board9
Removing The Cd Tray10
Reinstall The Cd Tray10
Removing The Cd Mechanism Holder Assembly (Mechanism Included)11
Removing The Pickup Unit14
Removing The Motor Board14
Removing The Feed Motor14
Removing The Spindle Motor14
Cassette Mechanism Section15
Removing The R/P Head15
Remove The Erase Head15
Removing The Pinch Roller15
Removing The Motor16
Removing The Mechanism Board16
Removing The Flywheel16
Removing The Net Assembly17
Wiring Connection18
Adjustment Method19
Tuner19
Fm Thd Adjustment20
Fm Search Level Adjustment20
Am(Mw) I.f Adjustment20
Fm Auto Search Level Adjustment20
Cassette Deck21
To Adjust Tape Speed21
To Adjust Plabyback Level/Rec21
Adjust Deck 2 Play Level/Rec Bias22
Flow Of Functional Operation Until Toc Read23
Maintenance Of Laser Pickup24
Cleaning The Pick Up Lens24
Semi-Fixed Resistor On The Apc Pc Board24
Replacement Of Laser Pickup24
Troubleshooting25
Power Malfunction25
No Output25
Tuner Malfunction (Fm/Am)26
Tape26
Cd27
Description Of Major Ics28
Pin Layout28
Block Diagram28
Pin Function29
Kb9226 (Ic101) : Rf Amp. & Servo Signal Processor30
Pll Frequency Synthesizer For Electron Alignment32
Lc86P6548 (Uic1) : Microcontroller34
Ha12235 (Jic1) : Audio Signal Processor36
M66010 (Uic2) : I/O Control37
Stk402-120 (Aic2) : Power Amp.37
Tda7442D (Fic1) : Audio Processor38
L4959 (Ric1) : Voltage Regulator39
Ka9258D (Ic301) : 4-Ch Motor Driver40
La1837 (Ic01) : Fm If/Det Am Rf/If/Det40
Ka3082 (Ic401, Ic402) : Dc Motor Driver41
74Hcu04 (Oic1) : Optical41
Stk402-070 (Aic1) : Power Amp.41