CPD-G520 (serv.man2) - Sony Monitor Service Manual (repair manual). Page 2

Power Management .................................................................................................................................. 4
Diagnosis Function.................................................................................................................................... 4
Timing Specification .................................................................................................................................. 5
Warnings and Cautions............................................................................................................................. 6
Safety Check-Out...................................................................................................................................... 7

SECTION 1: DISASSEMBLY.................................................................................................................................. 8

1-1.  Cabinet Removal............................................................................................................................. 8
1-2.  Service Position............................................................................................................................... 9
1-3.  A1 Board (C Block) Removal ........................................................................................................ 10
1-4.  A1 Board & US Board Removal .................................................................................................... 10
1-5.  Bezel Assembly and H1 Board Removal........................................................................................11
1-6.  D Board Removal ...........................................................................................................................11
1-7.  Picture Tube Removal ................................................................................................................... 12
 

Anode Cap Removal ..................................................................................................................... 12

1-8.  Harness Location .......................................................................................................................... 13

SECTION 2: SAFETY RELATED ADJUSTMENTS.............................................................................................. 14

2-1.  HV Regulator Circuit Check .......................................................................................................... 14
2-2.  HV Protector Circuit Check............................................................................................................ 14
2-3.  Beam Current Protector Circuit Check .......................................................................................... 14

SECTION 3: ADJUSTMENTS .............................................................................................................................. 15

3-1.  Landing Rough Adjustment ........................................................................................................... 15
3-2.  Landing Fine Adjustment............................................................................................................... 15
3-3.  Convergence Rough Adjustment................................................................................................... 16
3-4.  White Balance Adjustment Specification ....................................................................................... 16
3-5.  Vertical and Horizontal Position and Size Specification ................................................................ 17
3-6.  Focus Adjustment.......................................................................................................................... 17

SECTION 4: DIAGRAMS...................................................................................................................................... 18

4-1.  Circuit Boards Location ................................................................................................................. 18
4-2.  Printed Wiring Board and Schematic Diagram Information........................................................... 18
4-3.  Block Diagrams ............................................................................................................................. 19
 

A1 Block Diagram, H1 Block Diagram, and L2 Block Diagram ..................................................... 19

DA Block Diagram and N Block Diagram ...................................................................................... 20

D Block Diagram ........................................................................................................................... 21

4-4.  Schematics and Supporting Information ....................................................................................... 22
 

H1 Board Schematic Diagram....................................................................................................... 22

US Board Schematic Diagram ...................................................................................................... 23

A1 Board Schematic Diagram ....................................................................................................... 25

D Board Schematic Diagram......................................................................................................... 27

DA Board Schematic Diagram....................................................................................................... 29

N Board Schematic Diagram......................................................................................................... 30

L2 Board Schematic Diagram ....................................................................................................... 31

4-5.  Semiconductors............................................................................................................................. 32

SECTION 5: EXPLODED VIEW ........................................................................................................................... 34

5-1.  Chassis.......................................................................................................................................... 34
5-2.  Picture Tube .................................................................................................................................. 35
5-3.  Packing Materials .......................................................................................................................... 36

SECTION 6:  ELECTRICAL PARTS LIST............................................................................................................ 37