Table Of Contents - Sony GDM-20SHT Service Manual

GDM-20SHT
TABLE OF CONTENTS
1. GENERAL ............................................. ·.··· .................
5
2. DISASSEMBLY
2-1. Rear Cabinet and Top Cover Removal............... 7
2-2. D Block Assy Removal....................................... 7
2-3. Power Block Assy Removal............................... 8
2-4. L Board Removal ................................................ 8
2-5. M Board Removal ............................................... 9
2-6. A Block Assy Removal....................................... 9
2-7. H Board Removal ................................................ 10
2-8. Picture Tube Removal......................................... 10
2-9. Wiring Harness Layout ....................................... 11
3. SAFETY RELATED ADJUSTMENT .............
12
4. ADJUSTMENTS ......................................................
13
5. DIAGRAMS
5-1. Block Diagrams ................................................... 17
5-2. Frame Schematic Diagram .................................. 25
5-3. Circuit Boards Location ...................................... 27
5-4. Schematic Diagrams and Printed Wiring Boards
(1)
Schematic Diagrams of D and L Boards ............ 31
(2) Schematic Diagram of DA Board ....................... 35
(3) Schematic Diagram of A Board .......................... 45
(4) Schematic Diagrams of DB, G, Hand
M Boards ......................................................... 49
5-5. Semiconductors ................................................... 56
6. EXPLODED VIEWS
6-1. Chassis... .............................................................. 57
6-2. Picture Tube ........................................................ 58
6-3. Packing Materials ................................................ 59
7. ELECTRICAL PARTS LIST ............................
61
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