JVC MX-J700 - Page 132

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Contents1
Area Suffix1
Each Difference Point1
Safety Precautions2
Warning2
Important for Laser Products3
Reproduction and Position of Labels3
Warning Label3
Preventing Static Electricity4
Handling the Optical Pickup4
Handling the Traverse Unit4
Precautions at Disassembling and Parts Replacement5
Instructions6
Warnings and Cautions6
Introduction7
Precautions7
Power Sources7
Proper Ventilation7
Location of the Buttons and Controls8
Getting Started8
Front Panel8
Unpacking8
Common Operations9
Connecting Speakers9
Connecting Other Equipment9
Turning on or off the Power9
Listening to FM and am Broadcasts10
Receiving FM Stations with RDS10
Tuning in a Station10
Tuning in a Preset Station10
Playing Back Cds11
Loading Cds11
Playing Back the Entire Discs11
Playing Back Tapes11
Recording12
Using the Timers12
Recording a Tape on Deck B12
CD Direct Recording12
Maintenance13
Troubleshooting13
Using Recording Timer13
Using Sleep Timer13
Additional Information14
Specifications14
Description of the PTY Codes14
Connection15
Disassembly Method17
Main Body17
Removing the Metal Cover17
Removing the CD Changer Mechanism Assembly18
Removing the Front Panel Assembly19
Front Panel Assembly20
Removing the Microphone Terminal Board Assembly20
Removing the Rolling Panel Assembly20
Removing the Main Board21
Removing the Cassette Mechanism Assembly21
Removing the Boards in the Front Panel Assembly22
Function Board122
Function Board 222
Bass-Level Regulator Board22
Removing the Relay Board and Fixing Board23
Power Switch Board23
Eject Switch Board23
Remote Control Port Board23
Rear Panel Assembly24
Removing the Tuner Board24
Removing the Input/Output Board24
Removing the Rear Cover/Rear Panel25
Removing the Pre-Amplifier Board/Heat Sink26
Removing the Power & Main Amplifier Board27
Rolling Panel Assembly28
Removing the Multi-Control Assembly28
Removing the Multi-Control Board28
Removing the Drive Motor Assembly29
Removing the CD Servo Control Board30
Removing the CD Tray Assembly30
Removing the CD Loading Mechanism Assembly32
Removing the CD Traverse Mechanism32
Removing the CD Pick Unit32
Removing the Cam Unit33
Removing the Actuator Motor and Belt34
Assembly and Configuration Diagram34
Removing the Cams R1/R2 Assembly and Cam Gear Q35
Removing the C.G. Base Assembly35
Cassette Mechanism Section36
Removing the Playback, Recording and Eraser Heads36
Reassembling the Playback, Recording and Eraser Heads36
Removing the Head Amp. and Mechanism Control P.C. Board37
Removing the Capstan Motor Assembly37
Removing the Capstan Motor38
Removing the Flywheel38
Removing the Reel Pulse P.C. Board and Solenoid38
Adjustment Method39
Measurement Instruments Required39
Measurement Conditions39
Frequency Range39
Arrangement of Adjusting Positions40
Cassette Mechanism Section (Back Side)40
Cassette Mechanism Unit Section40
Tape Recorder Section41
Reference Values41
Electrical Performance42
Reference Values for Electrical Function Confirmation Items42
Diagnosis Which Uses Extension Wire Method43
System Control P.C. Board43
Extension Wire Parts43
Flow of Functional Operation Unit TOC Read44
Maintenance of Laser Pickup45
Replacement of Laser Pickup45
Description of Major Ics46
Pin Layout46
Block Diagram46
Pin Function47
4Channel Driver48
Pin Layout & Block Diagram48
MIC Mixer49
OP Amp.50
Serial to Parallel Port Extension50
Receiver for Remote Controller50
FM am if AMP& Detector, FM MPX Decoder51
PLL Frequency Synthesizer52
Control Volume53
System Controller54
Digital Servo & Digital Signal Processor56
Terminal Layout56
CD Changer Control58
Lpf& Echo MIX59
DC Motor Driver60
Motor Driver60
MIC Amplifier60
Spi B.p.f.61
RDS Demodulation63
Main/Cassette/CD Section65
Standard Schematic Diagrams68
Power Transformer Section68
Power Suppyl Block68
Power Amplifier & Regulator Section70
Function & Main Amplifier Section72
FL Display & System Controller Section74
Microphone Amplifier Section76
CD Servo & Mechanism Control Section78
Head Amplifier & Mechanism Control Section80
Tuner Section82
Printed Circuit Boards86
Main & Preamplifier Board86
Input/Output & Power Board88
CD Tray Section Switch Board90
Cam Switch Board90
CD Servo Control Board91
Cassette Mechanism Board93
Tuner Board94
Parts List95
Exploded View of General Assembly and Parts List98
CD Changer Mechanism Assembly and Parts List104
Grease Point109
Electrical Parts List112
Packing Materials and Accessories Parts List128

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