Read Sony KV-SZ292M31 (serv.man2) Service Manual online
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KV-SZ292M31/M50
RM-GA002
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.
A Board and H2 Boards Removal ............................. 5
1-6.
Picture Tube Removal ................................................ 6
2. WIRE DRESSING
2-1.
Lead Assy, Jumper wire dressing at A board ............ 7
2-2.
Dressing of Conn Assy, 4P VH ................................. 7
2-3.
Wire dressing at A and H2 board .............................. 8
2-4.
Dressing of Conn Assy, 5P YUV ............................... 8
2-5.
Dressing of Conn Assy, 4P VM and Connector
Assy, 5P Front In ....................................................... 8
Assy, 5P Front In ....................................................... 8
2-6.
Installation and dressing of Earth Assy Coating ....... 9
2-7.
Insertion of Lead Assy, H Static .............................. 10
2-8.
Dress of Conn Assy, 5P Front In ............................. 10
2-9.
Dress Lead Assy, Earth and Conn Assy, 5P In
with purse lock Ø 5 .................................................. 10
with purse lock Ø 5 .................................................. 10
2-10. CV Board Connector Assy wire dressing ............... 10
2-11. Connector Assy wire dressing ................................. 11
2-12. Overall view of rotation coil conn ........................... 11
2-13. Overall view of Lead Assy, G2; Lead Assy,
2-11. Connector Assy wire dressing ................................. 11
2-12. Overall view of rotation coil conn ........................... 11
2-13. Overall view of Lead Assy, G2; Lead Assy,
Focus and Rotation Coil Conn Dressing ................. 11
2-14. Dress Lead Assy, Speaker to Rotation Coil
using purse lock Ø 9 ................................................ 12
2-15. Dressing of PF board conn assy (for models
with PF board only) ................................................. 12
2-16. Cap Assy, High Voltage installation ........................ 12
2-17. HV cap assy wire dressing ...................................... 13
2-18. AC Power Cord Wire Dressing ............................... 13
2-17. HV cap assy wire dressing ...................................... 13
2-18. AC Power Cord Wire Dressing ............................... 13
WIRE DRESSING FOR REVERSE CRT MODEL
2-19. Lead Assy, Jumper wire dressing at A board .......... 14
2-20. Wire dressing at A and H2 board ............................ 14
2-21. Dressing of Conn Assy, 4P VH ............................... 15
2-22. Dressing of Conn Assy, 5P YUV ............................. 15
2-23. Dressing of Conn Assy, 4P VM and Connector
2-20. Wire dressing at A and H2 board ............................ 14
2-21. Dressing of Conn Assy, 4P VH ............................... 15
2-22. Dressing of Conn Assy, 5P YUV ............................. 15
2-23. Dressing of Conn Assy, 4P VM and Connector
Assy, 5P Front In ..................................................... 15
2-24. Installation and dressing of Earth Assy Coating ..... 16
2-25. CV Board Connector Assy wire dressing ............... 17
2-26. Insertion of Lead Assy, H Static .............................. 17
2-27. CV Board Connector Assy wire dressing ............... 17
2-28. Connector Assy wire dressing ................................. 18
2-29. Connector Assy wire dressing ................................. 18
2-30. DY Connector Assy wire ......................................... 19
2-31. Overall view of rotation coil .................................... 19
2-32. Overall view of Lead Assy, G2; Lead Assy,
2-25. CV Board Connector Assy wire dressing ............... 17
2-26. Insertion of Lead Assy, H Static .............................. 17
2-27. CV Board Connector Assy wire dressing ............... 17
2-28. Connector Assy wire dressing ................................. 18
2-29. Connector Assy wire dressing ................................. 18
2-30. DY Connector Assy wire ......................................... 19
2-31. Overall view of rotation coil .................................... 19
2-32. Overall view of Lead Assy, G2; Lead Assy,
Focus and Rotation Coil Conn Dressing ................. 19
Section
Title
Page
Section
Title
Page
2-33. Dress Lead Assy, Speaker to Rotation Coil
using purse lock Ø 9 ................................................ 20
2-34. Cap Assy, High Voltage installation ........................ 20
2-35. Cap Assy, High Voltage ........................................... 21
2-36. AC Power Cord Wire Dressing ............................... 22
2-35. Cap Assy, High Voltage ........................................... 21
2-36. AC Power Cord Wire Dressing ............................... 22
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing Adjustment ...................................... 23
3-2.
Convergence Adjustment ......................................... 24
3-3.
Focus Adjustment .................................................... 26
3-4.
G2 (SCREEN) Adjustments .................................... 26
3-5.
Sub Bright Adjustment ............................................ 26
3-6.
White Balance Adjustment ...................................... 26
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustment With Commander ................................. 27
4-2.
Adjustment Method ................................................. 28
4-3.
Picture Quality Adjustment ..................................... 45
4-3-1. P Max/Contrast Adjustment ......................... 45
4-3-2. Sub Color Adjustment .................................. 45
4-3-3. Sub Hue Adjustment ..................................... 45
4-3-1. P Max/Contrast Adjustment ......................... 45
4-3-2. Sub Color Adjustment .................................. 45
4-3-3. Sub Hue Adjustment ..................................... 45
4-4.
Geometry Adjustment .............................................. 46
4-4-1. H-Trapezoid Adjustment .............................. 46
4-4-2. Normal Mode 50Hz/60Hz ............................ 46
4-4-3. Wide Mode 50Hz/60Hz
(V Compression Adjustment) ........................ 46
4-4-1. H-Trapezoid Adjustment .............................. 46
4-4-2. Normal Mode 50Hz/60Hz ............................ 46
4-4-3. Wide Mode 50Hz/60Hz
(V Compression Adjustment) ........................ 46
5. DIAGRAMS
5-1.
Block Diagram ......................................................... 47
5-2.
Circuit Boards Location .......................................... 48
5-3.
Schematic Diagram Information ............................. 48
5-3-1. A Board — (Block 001) ............................... 49
5-3-2. A Board — (Block 002) .............................. 51
5-3-3. A Board — (Block 003) ............................... 53
5-3-4. A Board — (Block 004) ............................... 55
5-3-5. A Board — (Block 005) ............................... 57
5-3-6. A Board — (Block 006) ............................... 59
5-3-7. A Board — (Block 007) ............................... 61
5-3-8. CV Board Schematic Diagram ..................... 62
5-3-9. H2 Board Schematic Diagram ...................... 64
5-3-1. A Board — (Block 001) ............................... 49
5-3-2. A Board — (Block 002) .............................. 51
5-3-3. A Board — (Block 003) ............................... 53
5-3-4. A Board — (Block 004) ............................... 55
5-3-5. A Board — (Block 005) ............................... 57
5-3-6. A Board — (Block 006) ............................... 59
5-3-7. A Board — (Block 007) ............................... 61
5-3-8. CV Board Schematic Diagram ..................... 62
5-3-9. H2 Board Schematic Diagram ...................... 64
5-4.
Voltage Measurement and Waveforms .................... 66
5-5.
Printed Wiring Boards ............................................. 70
5-6.
Semiconductors ........................................................ 74
6. EXPLODED VIEWS
6-1.
Picture Tube, Speaker Bracket and Chassis ............ 76
7. ELECTRICAL PARTS LIST ........................................ 78
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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