Read Sony GDM-500PS / GDM-500PST / GDM-500PST9 Service Manual online
GDM-500PS/500PST/500PST9
– 5 –
Note: Hand degauss must be used on stand-by or power-off condition.
This model has an automatic earth magnetism correction function by using an earth
magnetism sensor and a LCC coil. When using a hand degauss while monitor (LCC
coil) is being operated, it sometimes gets magnetized, and the system may not work
properly as a result.
TABLE OF CONTENTS
Section
Title
Page
1. GENERAL
................................................................. 1-1
2. DISASSEMBLY
2-1.
Cabinet Removal ............................................... 2-1
2-2.
D Board Removal .............................................. 2-1
2-3.
G Board Removal .............................................. 2-2
2-4.
A or A3 Board Removal ................................... 2-2
2-5.
L or L3 Board Removal .................................... 2-3
2-6.
I/O TERMINAL Board Assy Removal ............. 2-3
2-7.
Service Position .................................................. 2-4
2-8.
H and J Boards Removal ................................... 2-4
2-9.
Picture Tube Removal ....................................... 2-5
3. SAFETY RELATED ADJUSTMENT
............. 3-1
4. ADJUSTMENTS
..................................................... 4-1
5. DIAGRAMS
5-1.
Block Diagrams .................................................. 5-1
5-2.
Frame Shcematic Diagram ................................. 5-7
5-3.
Circuit Boards Location ..................................... 5-9
5-4.
Schematic Diagrams and Printed Wiring
Boards ................................................................. 5-9
(1)
Schematic Diagram of D Board ........................ 5-13
(2)
Schematic Diagrams of G, GA, H, J and
L or L3 Boards .................................................. 5-17
(3)
Schematic Diagram of A or A3 Board ............. 5-24
5-5.
Semiconductors ................................................. 5-29
6. EXPLODED VIEWS
6-1.
Chassis ............................................................... 6-1
6-2.
Picture Tube ...................................................... 6-2
6-3.
Packing Materials [EQ, SH model] .................. 6-3
6-4.
Packing Materials [U/C, AEP model] ............... 6-4
7. ELECTRICAL PARTS LIST
............................ 7-1
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