Read Sony HMD-A440 Service Manual online
HMD-A440(E)
7
1. DISASSEMBLY
1-1. Cabinet Assembly Removal .................................
1-1
1-2. A AND D Boards Removal .................................
1-2
1-3. Service Position ...................................................
1-3
1-4. H1 AND J Boards Removal .................................
1-4
1-5. Picture Tube Removal .........................................
1-5
2. SAFETY RELATED ADJUSTMENT
................
2-1
3. ADJUSTMENTS
......................................................
3-1
4. DIAGRAMS
4-1. Block Diagrams ....................................................
4-1
4-2. Frame Schematic Diagram ....................................
4-3
4-3. Circuit Boards Location ........................................
4-4
4-4. Schematic Diagrams and Printed Wiring
Boards ...................................................................
4-5
(1) Schematic Diagram of A Board ...........................
4-7
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
(2) Schematic Diagrams of D (a, b, c, d) Board
..............................................................................
4-9
(3) Schematic Diagram of H Board ...........................
4-14
(4) Schematic Diagram of J Board ............................
4-16
(5) Schematic Diagram of L Board ...........................
4-17
4-5. Semiconductors ....................................................
4-18
5. EXPLODED VIEWS
..............................................
5-1
5-1. Cabinet .................................................................
5-2
5-2. Chassis .................................................................
5-3
5-3. Picture Tube .........................................................
5-4
5-4. Packing Materials .................................................
5-5
6. ELECTRICAL PARTS LIST
...............................
6-1
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