Sony KV-EF34N90, Руководство по обслуживанию

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KV-EF34N90
RM-913
TABLE OF CONTENTS
Section Title Page
SELF DIAGNOSIS FUNCTION
................................ 4
1. GENERAL
........................................................................ 8
2. DISASSEMBLY
2-1. Rear Cover Removal ................................................ 28
2-2. Speaker Box Removal ............................................. 28
2-3. Chassis Assy Removal ............................................. 28
2-4. Service Position ....................................................... 28
2-5. D2 and DH Boards Removal ................................... 29
2-6. J1 Board RF Splitter Removal ................................. 29
2-7. P Boards Removal ................................................... 29
2-8. A and B Boards Removal ........................................ 30
2-9. H1 Board Removal .................................................. 30
2-10. Demagnetization Coil Removal .............................. 30
2-11. Top Switch Removal ................................................ 30
2-12. Picture Tube Removal .............................................. 31
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 32
3-2. Convergence ............................................................. 33
3-3. Focus Adjustment .................................................... 34
3-4. Neck Assy Twist Adjustment ................................... 35
3-5. G2 (Screen) and White Balance Adjustments ......... 37
3-6. Frequency (Free Run) Adjustment .......................... 37
4. CIRCUIT ADJUSTMENTS
4-1. Adjustments with Commander ................................ 51
4-2. Adjustment Method ................................................. 51
4-3. Picture Quality Adjustments .................................... 59
4-4. A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 60
4-5. Picture Distortion Adjustment ................................. 61
Section Title Page
5. DIAGRAMS
5-1. Block Diagram ......................................................... 51
5-2. Frame Schematic Diagram ...................................... 59
5-3 Circuit Boards Location .......................................... 63
5-4. Schematic Diagrams and Printed Wiring Boards ... 63
(1) Schematic Diagram of A (1/2) Board ..................... 67
(2) Schematic Diagram of A (2/2) Board ..................... 71
(3) Schematic Diagram of B(1/2) Board ....................... 75
(4) Schematic Diagrams of B(2/2) and F Boards ......... 78
(5) Schematic Diagram P (1/3) Board ......................... 89
(6) Schematic Diagram of P (2/3) Board ..................... 92
(7) Schematic Diagrams of P (3/3), J1,B4 Boards ...... 95
(8) Schematic Diagrams of C and H1 Boards ............. 99
(9) Schematic Diagrams of VM2 and DH Boards ....... 106
(10) Schematic Diagram of D2 Board ........................... 111
5-5. Semiconductors ....................................................... 113
6. EXPLODED VIEWS
6-1. Picture Tube ............................................................ 116
6-2. Chassis .................................................................... 117
7. ELECTRICAL PARTS LIST
..................................... 118