Read Sony KV-21FA340 Service Manual online
KV-21FA340/21FA540/29FA340/29FA540
KV-21FA340/21FA540/29FA340/29FA540
3
TABLE OF CONTENTS
SECTION TITLE
PAGE
SECTION TITLE
PAGE
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety Check-Out ........................................................................... 7
Self-Diagnostic Function ................................................................. 8
SECTION 1: DISASSEMBLY ............................................................... 10
1-1. Rear Cover Removal ............................................................ 10
1-2. Chassis Assembly Removal
................................................. 10
1-3. Service Position ....................................................................11
1-4. Picture Tube Removal
.......................................................... 12
Anode Cap Removal Procedure .......................................... 12
Cable Wire Dressing ............................................................ 13
KV-21FA340/21FA540
Models
Only
................................ 13
KV-29FA340/29FA540
Models
Only
................................ 21
SECTION 2: SET-UP ADJUSTMENTS ................................................ 31
2-1. Beam Landing ...................................................................... 31
2-2. Convergence
........................................................................ 32
2-3. Focus ................................................................................... 33
2-4. Screen (G2)
.......................................................................... 34
SECTION 3: SAFETY RELATED ADJUSTMENTS ............................. 35
3-1. X R530, R531 Confi rmation Method (HV Hold-Down
Confi rmation) and Readjustments ........................................ 35
3-2. B+ Voltage Confi rmation and Adjustment ............................ 35
SECTION 4: CIRCUIT ADJUSTMENTS .............................................. 36
4-1. Remote Adjustment Buttons and Indicators ......................... 36
4-2. Accessing the Service Adjustment Mode ............................. 36
4-3. Confi rming Service Adjustment Changes ............................. 37
4-4. Service Data Lists ................................................................ 38
4-5. ID Map Table ........................................................................ 45
4-6. White Balance Adjustments ................................................. 46
4-7. A Board Adjustments
............................................................ 46
SECTION 5: DIAGRAMS ..................................................................... 49
5-1. Circuit Boards Location ........................................................ 49
5-2. Printed Wiring Board and
Schematic
Diagram
Information
........................................... 49
5-3. Block Diagrams and Schematics ......................................... 50
Signal Flow Block Diagram .................................................. 50
Audio Block Diagram ............................................................ 51
A Board Schematic Diagram (1 of 2) .................................... 52
A Board Schematic Diagram (2 of 2) .................................... 53
CV Board Schematic Diagram ............................................. 55
HC Board Schematic Diagram ............................................. 56
K1 Board Schematic Diagram (1 of 2)
(KV-21FA540/29FA540
Only)
.......................................... 58
K1 Board Schematic Diagram (2 of 2)
(KV-21FA540/29FA540
Only)
.......................................... 59
K2 Board Schematic Diagram
(KV-21FA340/29FA340
Only)
.......................................... 60
MT Board Schematic Diagram ............................................. 62
5-4. Semiconductors ................................................................... 64
SECTION 6: EXPLODED VIEWS ........................................................ 65
6-1. Chassis ................................................................................ 65
6-2. Picture Tube ......................................................................... 66
SECTION 7: ELECTRICAL PARTS LIST ........................................... 67
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