Table Of Contents - Sony 757MX - Xplod CDX CD Service Manual

TABLE OF CONTENTS

SERVICING NOTES
.......................................................... 2
1. GENERAL
Installation ....................................................................... 6
Connections ..................................................................... 7
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 8
2-2. Case (Upper. T), Front Panel Assy ................................. 9
2-3. Mechanism Deck (MG-251B-137) ................................. 9
2-4. JACK Board .................................................................... 10
2-5. MAIN Board, Slide Variable Resistor
(Elevator Height Sensor) (RV202) ................................. 10
2-6. ELJ Motor Assy (Elevator) (M104) ................................ 11
2-7. Escutcheon (T) ................................................................ 11
2-8. Chassis (U.S) Sub Assy .................................................. 12
2-9. Chassis Assy .................................................................... 12
2-10. RF Board ......................................................................... 13
2-11. Sled Motor Assy (251) (M101),
Optical Pick-up (KSS-720A) .......................................... 13
2-12. LSW Board, Spindle Motor (S) Sub Assy (M102) ........ 14
2-13. ELJ Motor Assy (Chucking) (M103) ............................. 14
3. ASSEMBLY
3-1. Assembly Flow ................................................................ 15
3-2. Optical Pick-up Complete Assy ...................................... 15
3-3. Gear (Lomini)/(Load 1) Assy ......................................... 16
3-4. Operation Check ............................................................. 16
4. MECHANICAL ADJUSTMENT
5. ELECTRICAL CHECK
6. DIAGRAMS
6-1. Block Diagram - SERVO Section - .............................. 20
6-2. Block Diagram - MAIN Section (1/2) - ....................... 21
6-3. Block Diagram - MAIN Section (2/2) - ....................... 22
6-4. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 23
6-5. Printed Wiring Boards - RF/LSW Boards - ................. 24
6-6. Schematic Diagram - RF/LSW Boards - ...................... 25
6-7. Printed Wiring Boards
- MAIN Board (Component Side) - .............................. 26
6-8. Printed Wiring Boards
- MAIN (Conductor Side)/SWITCH Boards - .............. 27
6-9. Schematic Diagram - MAIN Board (1/3) - .................. 28
6-10. Schematic Diagram
- MAIN (2/3)/SWITCH Boards - .................................. 29
6-11. Schematic Diagram - MAIN Board (3/3) - .................. 30
6-12. Printed Wiring Boards - JACK Board - ........................ 32
6-13. Schematic Diagram - JACK Board - ............................. 33
6-14. IC Pin Function Description ........................................... 39
7. EXPLODED VIEWS
7-1. Case Section .................................................................... 41
7-2. Mechanism Deck Section-1 (MG-251B-137) ................ 42
7-3. Mechanism Deck Section-2 (MG-251B-137) ................ 43
7-4. Mechanism Deck Section-3 (MG-251B-137) ................ 44
7-5. Mechanism Deck Section-4 (MG-251B-137) ................ 45
8. ELECTRICAL PARTS LIST
.......................... 17
.......................................... 18
............................... 46
CDX-757MX
5