KV-HV212M50 - Sony TV Service Manual (repair manual). Page 3

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KV-HV212M50/M53
   RM-GA002
TABLE OF CONTENTS
SELF DIAGNOSTIC FUNCTION ..................................
3
1. DISASSEMBLY
1-1.
3D Speaker Removal .................................................... 5
1-2.
Rear Cover Removal ..................................................... 5
1-3.
Speaker Removal .......................................................... 5
1-4.
Chassis Assy Removal .................................................. 5
1-5.
Service Position ............................................................ 5
1-6.
Terminal Bracket Removal ........................................... 5
1-7.
J Board Removal ........................................................... 6
1-8.
A Board Removal ......................................................... 6
1-9.
Picture Tube Removal .................................................. 6
2. WIRE DRESSING
2-1.
UL wire P/N 1-923-082-52 Dressing on A Board ...... 8
2-2.
Mount Caution for Connector Assy, 5P(200V) ........... 8
2-3.
Wire Dressing on C Board ........................................... 8
2-4.
Wire Dressing on A Board ........................................... 8
2-5.
Conn Assy, 5P (YUV) & Lead Assy, Jumper
Dressing ....................................................................... 9
2-6.
AC Power Cord, Lead Assy, Earth, Lead Assy &
Speaker Dressing ......................................................... 9
2-7.
Earth Coating Assy Installation at CRT .................... 10
2-8.
Earth Assy, Coating Dressing .................................... 10
2-9.
DGC Connector, Lead Assy, Speaker and Lead Assy,
Earth Dressing ........................................................... 10
2-10. Lead Assy, Speaker & DGC Connector Dressing ..... 11
2-11.
Top Switch Wire Dressing ......................................... 11
2-12. DY Conn & Conn Assy, 5P (200V) Dressing ........... 12
2-13. Lead Assy, G2 & Focus Dressing .............................. 12
2-14. Conn Assy, 7P, UL Wire (1-923-000-81), Lead Assy,
Earth & Rotational Coil Conn Dressing ................... 13
2-15. HV Cap Assy Dressing .............................................. 13
2-16. AC Power Cord Dressing .......................................... 14
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing Adjustment ......................................... 15
3-2.
Convergence Adjustment ............................................ 15
3-3.
Focus Adjustment ....................................................... 17
3-4.
G2 (SCREEN) Adjustment ......................................... 17
3-5.
White Balance Adjustment ......................................... 17
3-6.
Sub Bright Adjustment ............................................... 17
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustments With Commander .................................. 18
4-2.
Adjustment Method .................................................... 19
4-3.
Picture Quality Adjustment ........................................ 36
4-3-1. P Max/Contrast Adjustment .......................... 36
4-3-2. Sub Color Adjustment ................................... 36
4-3-3. Sub Hue Adjustment ..................................... 36
4-4.
Geometry Adjustment ................................................. 36
4-4-1. General Setting .............................................. 36
4-4-2. PAL 50Hz Normal Mode .............................. 37
5. DIAGRAMS
5-1.
Block Diagram ............................................................ 38
5-2.
Circuit Boards Location ............................................. 39
5-3.
Schematic Diagram Information ................................ 39
5-3-1. A Board — (Block 001) ................................ 40
5-3-2. A Board — (Block 002) ................................ 42
5-3-3. A Board — (Block 003) ................................ 44
5-3-4. A Board — (Block 004) ................................ 46
5-3-5. A Board —  (Block 005) ............................... 48
5-3-6. A Board — (Block 006) ................................ 50
5-3-7. A Board — (Block 007) ................................ 52
5-3-8. C Board Schematic Diagram ........................ 53
5-3-9. J Board Schematic Diagram .......................... 53
5-4.
Voltage Measurement and Waveforms ....................... 54
5-5.
Printed Wiring Boards and Parts Location ................ 57
5-6.
Semiconductors .......................................................... 60
6. EXPLODED VIEWS
6-1.
Chassis ........................................................................ 62
6-2.
3D Speaker .................................................................. 62
7. ELECTRICAL PARTS LIST ........................................
64
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.
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.
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