P4819(E) 8
TABLE OF CONTENTS
Section Title Page Section Title Page
1. DISASSEMBLY
1-1. Cabinet Removal ................................................ 1-1
1-2. A1 Board (C BLOCK) Removal ........................ 1-2
1-3. A1 Board Removal ............................................. 1-3
1-4. Bezel Assembly, H7 Board Removal ................. 1-4
1-5. D Board Removal ............................................... 1-5
1-6. Service Position................................................... 1-6
1-7. Picture Tube Removal......................................... 1-7
1-8. Harness Location ................................................ 1-9
2. SAFETY RELATED ADJUSTMENT ............... 2-1
3. ADJUSTMENTS ...................................................... 3-1
4. DIAGRAMS
4-1. Block Diagrams................................................... 4-1
4-2. Frame Schematic Diagram .................................. 4-4
4-3. Circuit Boards Location ...................................... 4-5
4-4. Schematic Diagrams and Printed Wiring
Boards ................................................................. 4-6
(1) Schematic Diagram of A1 Board ....................... 4-8
(2) Schematic Diagrams of D (a, b, c) Board .. 4-10
(3) Schematic Diagram of DA Board ...................... 4-14
(4) Schematic Diagram of H7 Board ....................... 4-16
(5) Schematic Diagram of L2 Board ........................ 4-18
(6) Schematic Diagram of N Board .......................... 4-20
4-5. Semiconductors .................................................. 4-22
5. EXPLODED VIEWS .............................................. 5-1
5-1. Chassis ............................................................... 5-2
5-2. Picture Tube ...................................................... 5-3
5-3. Packing Materials................................................ 5-4
6. ELECTRICAL PARTS LIST ............................... 6-1
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