Read Sony KV-DB29M61 Service Manual online
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KV-DB29M61/M91/M98
RM-GA001
TABLE OF CONTENTS
SELF DIAGNOSTIC FUNCTION ..................................3
1. DISASSEMBLY
1-1.
Rear Cover Removal .................................................. 5
1-2.
Speaker Removal ....................................................... 5
1-3.
Chassis Assy Removal ............................................... 5
1-4.
Service Position ......................................................... 5
1-5.
Terminal Bracket Removal ........................................ 5
1-6.
F1 Board Removal ..................................................... 5
1-7.
DL1 Board Removal .................................................. 6
1-8.
H1 and H2 Boards Removal ...................................... 6
1-9.
D Board Removal ...................................................... 6
1-10. A1 and BH1 Boards Removal ................................... 6
1-11. BC1 Board Removal (KV-DB29M98) ...................... 6
1-12. Picture Tube Removal ................................................ 7
1-11. BC1 Board Removal (KV-DB29M98) ...................... 6
1-12. Picture Tube Removal ................................................ 7
2. SERVICE JIG
2-1.
Jigs Required for Servicing ....................................... 8
3. CIRCUIT BOARDS LOCATION ...................................8
4. ADVANCE OPERATION
4-1.
"RESET" Function ..................................................... 9
5. SET-UP ADJUSTMENTS
5-1.
Beam Landing Adjustment ...................................... 10
5-2.
Convergence Adjustment ......................................... 11
5-3.
Focus Adjustment .................................................... 13
5-4.
G2 (SCREEN) Adjustments .................................... 13
5-5.
Sub Brightness Adjustment ..................................... 13
5-6.
White Balance Adjustment ...................................... 13
6. CIRCUIT ADJUSTMENTS
6-1.
Adjustments With Commander ............................... 15
6-2.
Adjustment Method ................................................. 16
6-3.
Picture Quality Adjustments .................................... 61
6-4.
Sub Hue/Col Adjustment ......................................... 61
6-5.
Deflection Adjustments ........................................... 62
6-6.
Picture Distortion Adjustment (1) ........................... 63
Section
Title
Page
Section
Title
Page
7. DIAGRAMS
7-1.
Block Diagram ......................................................... 64
7-2.
Schematic Diagram Information ............................. 65
7-2-1. A1 Board – (Block 001) ................................ 66
7-2-2. A1 Board – (Block 002) ................................ 68
7-2-3. A1 Board – (Block 003) ................................ 70
7-2-4. A1 Board – (Block 004) ................................ 72
7-2-5. BC1 Board Schematic Diagram
(KV-DB29M98) ............................................ 73
7-2-6. BH1 Board (Block 001) ................................ 75
7-2-7. BH1 Board (Block 002) ................................ 77
7-2-8. C1 Board (Block 001) ................................... 79
7-2-9. C1 Board (Block 002) ................................... 81
7-2-10. D Board (Block 001) .................................. 82
7-2-11. D Board (Block 002) .................................. 84
7-2-12. DL1 Board Schematic Diagram ................. 85
7-2-13. F1 Board Schematic Diagram .................... 86
7-2-14. H1 Board Schematic Diagram .................... 87
7-2-15. H2 Board Schematic Diagram .................... 89
7-2-16. VM1 Board Schematic Diagram ................ 90
7-2-1. A1 Board – (Block 001) ................................ 66
7-2-2. A1 Board – (Block 002) ................................ 68
7-2-3. A1 Board – (Block 003) ................................ 70
7-2-4. A1 Board – (Block 004) ................................ 72
7-2-5. BC1 Board Schematic Diagram
(KV-DB29M98) ............................................ 73
7-2-6. BH1 Board (Block 001) ................................ 75
7-2-7. BH1 Board (Block 002) ................................ 77
7-2-8. C1 Board (Block 001) ................................... 79
7-2-9. C1 Board (Block 002) ................................... 81
7-2-10. D Board (Block 001) .................................. 82
7-2-11. D Board (Block 002) .................................. 84
7-2-12. DL1 Board Schematic Diagram ................. 85
7-2-13. F1 Board Schematic Diagram .................... 86
7-2-14. H1 Board Schematic Diagram .................... 87
7-2-15. H2 Board Schematic Diagram .................... 89
7-2-16. VM1 Board Schematic Diagram ................ 90
7-3.
Voltage Measurement and Waveform ...................... 92
7-4.
Printed Wiring Boards ........................................... 102
7-5.
Semiconductors ...................................................... 112
8. EXPLODED VIEWS
8-1.
Picture Tube and Speaker Bracket ........................ 114
8-2.
Chassis ................................................................... 116
9. ELECTRICAL PARTS LIST ...................................... 117
OPERATING INSTRUCTIONS
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
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