KV-27V42 - Sony TV Service Manual (repair manual). Page 3

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KV-27V42/27V66/29SL42K/29SL42T/29VL42T/29XL42T
Section
Title
Page
Warnings and Cautions ............................................................................................................................................................... 4
Self-Diagnostic Function ............................................................................................................................................................. 4
Safety Check Out Instructions .................................................................................................................................................... 7
1.
GENERAL ............................................................................................................................................................
8
2.
DISASSEMBLY
2-1.
Rear Cover Removal (KV-27V42/66/29VL42T) .............................................................................................................. 11
2-2.
Rear Cover Removal (KV-29SL42K/42T/29XL42T) ........................................................................................................ 11
2-3.
Board Removal ............................................................................................................................................................... 12
2-4.
Control Switch Removal ................................................................................................................................................. 12
2-5.
Service Position ............................................................................................................................................................. 12
2-6.
Picture Tube Removal .................................................................................................................................................... 13
3.
SET-UP ADJUSTMENTS
3-1.
Beam Landing ................................................................................................................................................................ 14
3-2.
Convergence .................................................................................................................................................................. 15
3-3.
Focus ............................................................................................................................................................................. 16
3-4.
Screen (G2) ................................................................................................................................................................... 16
3-5.
Method of Setting the Service Adjustment Mode ............................................................................................................. 16
3-6.
White Balance Adjustments ........................................................................................................................................... 16
4.
SAFETY RELATED ADJUSTMENTS
4-1.
 R584 Confirmation Method (HV Hold-Down Confirmation and Readjustments) ......................................................... 17
4-2.
B+ Voltage Confirmation and Adjustment ........................................................................................................................ 17
5.
CIRCUIT ADJUSTMENTS
5-1.
Setting the Service Adjustment Mode ............................................................................................................................. 19
5-2.
Memory Write Confirmation Method ............................................................................................................................... 19
5-3.
Adjust Buttons and Indicators ......................................................................................................................................... 19
5-4.
A Board Adjustments ..................................................................................................................................................... 22
6.
DIAGRAMS
6-1.
Block Diagram ............................................................................................................................................................... 23
6-2.
Circuit Board Location .................................................................................................................................................... 26
6-3.
Printed Wiring Boards and Schematic Diagrams ............................................................................................................ 26
A Board ..................................................................................................................................................................... 27
P Board ..................................................................................................................................................................... 35
K Board ..................................................................................................................................................................... 36
HV Board .................................................................................................................................................................. 37
E Board ..................................................................................................................................................................... 39
C Board ..................................................................................................................................................................... 40
CV Board .................................................................................................................................................................. 41
6-4.
Semiconductors ............................................................................................................................................................. 43
7.
EXPLODED VIEW
7-1.
Chassis (KV-29SL42K/42T/XL42T) ............................................................................................................................... 44
7-2.
Chassis (KV-27V42/V66/29VL42T) ................................................................................................................................ 45
8.
ELECTRICAL PARTS LIST
................................................................................................................................................. 46
TABLE OF CONTENTS
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