Table Of Contents - JVC DX-T7 Service Manual

Table of Contents

Table Of Contents1
Specification2
Precaution6
Safety Precautions6
Warning6
Critical Parts For Safety6
Preventing Static Electricity7
Grounding To Prevent Damage By Static Electricity7
Handling The Traverse Unit (Optical Pickup)7
Attention When Traverse Unit Is Decomposed7
Important For Laser Products8
Reproduction And Position Of Labels8
Warning Label8
Specific Service Instructions9
Disassembly10
Main Body Section10
Removing The Metal Cover10
Removing The Front Panel Assembly11
Removing The Tuner12
Removing The Dvd Changer Mechanism Assembly13
Removing The Video Board14
Removing The Fan15
Removing The Rear Panel16
Removing The Main Board17
Removing The Amplifier 1 And Amplifier 2 Boards18
Removing The Primary Board20
Removing The Bridge Board20
Removing The Surround Terminal Board21
Removing The Power Transformer21
Removing The Fl Board21
Removing The Cassette A Mechanism Assembly22
Removing The Cassette B Mechanism Assembly22
Removing The Microphone Amplifier Board23
Dvd Changer Mechanism Assembly Section24
Removing The Tray Assemblies24
Removing The Dvd Servo Board26
Removing The Switch Board26
Removing The Motor Board27
Removing The Motor27
Removing The Dvd Traverse Mechanism Assembly28
Removing The Dvd Pickup29
Attaching The Dvd Pickup29
Removing The Spindle Motor Board31
Removing The Feed Motor32
Removing The Side (L) And Tray Switch Board33
Removing The Side (R) Assembly34
Removing The Lifter Assembly35
Removing The Sensor Board And Sv Resistor36
Taking Out The Disc In The Play Mode37
Cassette Mechanism Assembly [A Mecha]39
Removing The Play Head39
Removing The Head Amplifier Board40
Removing The Main Motor40
Removing The Flywheel41
Removing The Cassette Switch Board And Solenoid41
Reattaching The Play Head42
Cassette Mechanism Assembly [B Mecha]43
Removing The Play/Record & Clear Head43
Removing The Head Amplifier & Mechanism Control Board44
Removing The Reel Pulse Board And Solenoid45
Reattaching The Play/ Record & Clear Head46
Speaker Section47
Removing The Speaker Net Assembly47
Removing The Speaker49
Subwoofer Section (For Dx-T9, Dx-T7)50
Adjustment51
Measurement Instruments Required For Adjustment51
Measurement Conditons51
Radio Input Signal51
Cassette Mechanism Adjustment52
Cassette Switch Board52
Head Amplifier Board52
Mechanism Section53
Electrical Adjustment54
Electrical Response Confirmation54
Service Mode55
Confirming Contents55
Confirming Methods55
Cold Start56
Clock Fast Forwarding56
Compulsion Ntsc Mode56
Fan On/Off Setting56
Micon Version Display57
Lcd All Segment Blinking57
Tuner Version57
Dvd Test Mode57
Dvd Region Confirm Mode58
Dvd Check Mode59
Troubleshooting61
Parts List63
Exploded View Of General Assembly And Parts List64
General Assembly (Dx-T9)66
General Assembly (Dx-T7)70
General Assembly (Dx-T5)74
Dvd Mechanism (Common)77
Dvd Changer Mechanism(Fmu-Sm1-1M) (Dx-T9,Dx-T7)79
Dvd Changer Mechanism Assembly And Parts List (Dx-T5)80
Dvd Changer Mechanism(Fmu-Sm1-11M) (Dx-T5)81
Cassette Mechanism Assembly And Parts List82
Cassette A (Common)82
Cassette Mechanism(Slc-S401M)-Cassette A (Common)83
Cassette B (Common)84
Cassette Mechanism(Slc-S302M)-Cassetteb (Common)85
Electrical Parts List86
Amplifier Board (Dx-T9)86
Main Board (Dx-T9)88
Primary Board (Dx-T9)92
Amplifier Board (Dx-T7)93
Main Board (Dx-T7)95
Primary Board (Dx-T7)99
Amplifier Board (Dx-T5)100
Main Board (Dx-T5)102
Primary Board (Dx-T5)105
Dvd Servo Board(Fmu-Sm1-1M)106
Loading Board(Fmu-Sm1-1M)108
Dvd Servo Board(Fmu-Sm1-11M) (Dx-T5)108
Loading Board(Fmu-Sm1-11M) (Dx-T5)110
Cassette Switch Board(Slc-S401M)110
Head Amplifier Board(Slc-S401M)110
Cassette Board(Slc-S302M)111
Head Amplifier Board(Slc-S302M)111
Packing Materials And Accessories Parts List114
Packing And Accessories (Dx-T9)115
Packing And Accessories (Dx-T7)117
Packing And Accessories (Dx-T5)119
Contents120
Block Diagram122
Standard Schematic Diagrams123
Primary Board With Main Transformer Section123
Dc Regulator And Audio Output Section124
External Input, Source Selector And System Control Section125
Video Output, Microphone Circuit, Fl Display/User Control Keys Section126
Tape A Playback Section127
Tape B Record And Playback Section128
Dvd Servo And System Control Section129
Dvd Tray Control Section131
Printed Circuit Boards132
Amplifier Board132
Main Board133
Primary Board134
Dvd Servo Board135
Loading Board135
Cassette Switch Board (For A Cassette)136
Head Amplifier Board (For A Cassette)136
Cassette Switch Board (For B Cassette)136
Head Amplifier Board (For B Cassette)136