KV-27S42 - Sony TV Service Manual (repair manual). Page 3

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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/
29AL66C/29SL42/29SL42C/29SL46/29XL42M
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-27S46/27S66) ..............................................................................................................
11
2-2.
Rear Cover Removal 
(KV-29SL42/29C/29SL46/29XL42M) ..................................................................................
11
2-3.
Rear Cover Removal
 (KV-29AL42/42C/29AL66/66C) ..........................................................................................
11
2-4.
Control Switch Removal 
 (KV-29AL42/42C/29AL66/66C) ....................................................................................
11
2-5.
Chassis Assembly Removal 
(KV-27S46/27S66/29SL42/29C/29SL46/29XL42M) .............................................
12
2-6.
Chassis Assembly Removal 
(KV-29AL42/42C/29Al66/66C) ..............................................................................
12
2-7.
Service Position ..................................................................................................................................... 12
2-8.
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.
 R582 and 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 ............................................................................................................................. 21
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 .............................................................................................................................................. 37
• HT Board ............................................................................................................................................ 37
• C Board .............................................................................................................................................. 39
• CV Board ............................................................................................................................................ 40
• E Board .............................................................................................................................................. 42
• HV Board ............................................................................................................................................ 43
6-4.
Semiconductors .................................................................................................................................... 45
7.
EXPLODED VIEW
7-1.
Chassis (KV-27S66) .............................................................................................................................. 46
7-2.
Chassis (KV-27S42/27S46/27SL42/42C/29SL46/29XL42M) .............................................................. 47
7-3.
Chassis (KV-29AL42/29AL42C) ............................................................................................................ 48
7-4.
Chassis (KV-29AL66/66C) .................................................................................................................... 49
8.
ELECTRICAL PARTS LIST
................................................................................................................................................... 50
TABLE OF CONTENTS
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