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CPD-G220R/G220S
SECTION TITLE
PAGE
Power
Management.................................................................................................................................. 3
Self Diagnosis Function ............................................................................................................................ 3
Timing
Specifi cation.................................................................................................................................. 3
Safety Check Out Instructions .................................................................................................................. 4
Warnings and Cautions............................................................................................................................. 4
1. Disassembly
1-1. Cabinet Removal ............................................................................................................................... 5
1-2. Service Position................................................................................................................................. 5
1-3. A & D Board Removal........................................................................................................................ 6
1-4.
Picture
Tube
Removal ....................................................................................................................... 7
2. Safety Related Adjustments
2-1. HV Regulator Check.......................................................................................................................... 8
2-2. HV Protector Circuit Check................................................................................................................ 8
2-3. Beam Protector Check (Software Logic) ........................................................................................... 8
2-4.
B+
Voltage
Check.............................................................................................................................. 8
3. Adjustments
3-1. Landing Rough Adjustment ............................................................................................................... 9
3-2. Landing Fine Adjustment ................................................................................................................... 9
3-3. Convergence Rough Adjustment....................................................................................................... 9
3-4. Convergence and V. Key (H. TRP) Fine Adjustment ......................................................................... 9
3-5. Vertical and Horizontal Position and Size Specifi cation .................................................................. 10
3-6.
Focus
Adjustment ............................................................................................................................ 10
3-7. Digital Convergence Adjustment ......................................................................................................11
3-8. Convergence Specifi cation...............................................................................................................11
4. Diagrams
4-1. Circuit Boards Location ................................................................................................................... 12
4-2. Schematic Diagrams And Printed Wiring Boards ............................................................................ 12
4-3.
Diagrams
Block
Diagram................................................................................................................................. 13
A Board - Schematic Diagram......................................................................................................... 15
D Board - Schematic Diagram ........................................................................................................ 17
H1 Board - Schematic Diagram ...................................................................................................... 20
U Board - Schematic Diagram ....................................................................................................... 21
4-4.
Semiconductors............................................................................................................................... 22
5. Exploded Views
5-1.
5-1.
Picture
Tube .................................................................................................................................... 23
5-2.
Chassis............................................................................................................................................ 24
5-2. Packing Materials ............................................................................................................................ 25
6. Electrical Parts List ....................................................................................................................................... 26
TABLE OF CONTENTS
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