Read Sony GDM-90W10 Service Manual online
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GDM-90W10
TABLE OF CONTENTS
Section
Title
Page
1. GENERAL
...................................................................
5
2. DISASSEMBLY
2-1.
Cabinet Removal ................................................. 14
2-2.
D Board Removal ................................................ 14
2-3.
G Board Removal ................................................. 15
2-4.
A Board Removal ................................................. 15
2-5.
M Board Removal ................................................ 16
2-6.
L Board Removal ................................................. 16
2-7.
Service Position .................................................... 17
2-8.
Harness Location
(1) D Block Side ....................................................... 17
(2) G Block Side ....................................................... 18
2-9.
H1, H2 and J Boards Removal ............................. 18
2-10. Picture Tube Removal ......................................... 19
3. SAFETY RELATED ADJUSTMENT
............. 20
4. ADJUSTMENTS
...................................................... 21
5. DIAGRAMS
5-1.
Block Diagrams ................................................... 23
5-2.
Frame Schematic Diagram .................................. 29
5-3.
Circuit Boards Location ...................................... 31
5-4.
Schematic Diagrams and Printed Wiring Boards ... 31
(1) Schematic Diagram of D Board .......................... 35
(2) Schematic Diagrams of G, GA, GB and
J Boards ........................................................... 39
(3) Schematic Diagrams of H1, H2, L and
M Boards ......................................................... 43
(4) Schematic Diagram of A Board .......................... 47
5-5.
Semiconductors ................................................... 54
6. EXPLODED VIEWS
6-1.
Chassis ................................................................. 56
6-2.
Picture Tube ........................................................ 57
6-3.
Packing Materials ................................................ 58
7. ELECTRICAL PARTS LIST
............................ 59
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