Dell P992, Service Manual

Page: 7 / 75

P992 (E) 7
TABLE OF CONTENTS
Section Title Page Section Title Page
1. DISASSEMBLY
1-1. Cabinet Removal ............................................... 1-1
1-2. A Board (C BLOCK) Removal ......................... 1-2
1-3. A Board Removal .............................................. 1-3
1-4. Bezel Assembly, H4 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 A Board ........................ 4-8
(3) Schematic Diagram of DA Board ..................... 4-14
(4) Schematic Diagram of H4 Board ....................... 4-16
(5) Schematic Diagram of N Board 4-18
4-5. Semiconductors ................................................. 4-20
5. EXPLODED VIEWS
5-1. Chassis ............................................................... 5-2
5-2. Picture Tube ...................................................... 5-3
5-3. Packing Materials ............................................... 5-4
6. ELECTRICAL PARTS LIST
............................ 6-1
(2) Schematic Diagrams of
D (
a
,
b
,
c
) Board ........................................ 4-10
........................