4
CDX-GT20W/GT200/GT200E/GT200S/GT250S
TABLE OF CONTENTS
1. GENERAL
Location of controls and basic operations ............................... 5
Connections ............................................................................. 7
2. DISASSEMBLY
2-1. Sub Panel Assy .................................................................. 10
2-2. CD Mechanism Block ....................................................... 10
2-3. Main Board ....................................................................... 11
2-4. Chassis (T) Sub Assy ........................................................ 11
2-5. Roller Arm Assy ................................................................ 12
2-6. Chassis (OP) Assy ............................................................. 12
2-7. Optical Pick-up ................................................................. 13
2-8. SL Motor Assy (M902) ..................................................... 13
2-9. LE Motor Assy (M903) ..................................................... 14
2-10. Servo Board ....................................................................... 14
3. DIAGRAMS
3-1. Block Diagram – CD Section – ......................................... 15
3-2. Block Diagram – Main Section – ...................................... 16
3-3. Block Diagram – Display Section – .................................. 17
3-4. Circuit Boards Location .................................................... 17
3-5. Printed Wiring Boards – CD Mechanism Section – ......... 19
3-6. Schematic Diagram – CD Mechanism Section (1/2) – ..... 20
3-7. Schematic Diagram – CD Mechanism Section (2/2) – ..... 21
3-8. Printed Wiring Board – Main Section – ............................ 22
3-9. Schematic Diagram – Main Section (1/3) – ...................... 23
3-10. Schematic Diagram – Main Section (2/3) – ...................... 24
3-11. Schematic Diagram – Main Section (3/3) – ...................... 25
3-12. Printed Wiring Boards – Key Section – ............................ 26
3-13. Schematic Diagram – Key Section – ................................ 27
4. EXPLODED VIEWS
4-1. Main Section ..................................................................... 34
4-2. Front Panel Section ........................................................... 35
4-3. CD Mechanism Section (1) (MG-611WA-186//C) ........... 36
4-4. CD Mechanism Section (2) (MG-611WA-186//C) ........... 37
4-5. CD Mechanism Section (3) (MG-611WA-186//C) ........... 38
4-6. CD Mechanism Section (4) (MG-611WA-186//C) ........... 39
5. ELECTRICAL PARTS LIST
........................................ 40
