KDL-23S2000 - Sony TV Service Manual (repair manual). Page 2

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KDL-23S2000
KDL-23S2000
TABLE OF CONTENTS
SECTION TITLE   
PAGE
SECTION TITLE   
PAGE
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety-Related Component Warning .............................................. 7
Safety Check-Out ........................................................................... 9
Self-Diagnostic Function ............................................................... 10
SECTION 1:  DISASSEMBLY ............................................................... 12
1-1. 
Rear Cover Removal ............................................... 12
1-2. 
Vesa Bracket Assembly Removal ............................ 12
1-3. H1U 
Board 
Removal 
................................................ 13
1-4. 
G1 Board (Power Unit) and H2U Board Removal ... 13
1-5. AU 
Board 
Removal 
.................................................. 14
1-6. QT 
Board 
Removal 
.................................................. 14
1-7. 
QS board and BU Board Removal ........................... 15
1-8. 
H3U Board and Speaker Removal .......................... 15
1-9. 
LCD Panel Removal ................................................ 16
Wire Dressing ............................................................................... 17
SECTION 2:  SERVICE ADJUSTMENTS ............................................. 20
2-1. Remote Adjustment Buttons and Indicators ......................... 20
2-2. Accessing Service Adjustments ........................................... 20
2-2-1.  Accessing the Digital Service Adjustment Menus .... 20
2-2-2.  Viewing the Digital Module Box 
(Q-Box) Service Items ............................................. 21
2-2-3.  Accessing the Analog Service Adjustment Menus ... 21
2-3.  Resetting the User Menu - Factory Reset ............................ 22
2-4. Aging Mode .......................................................................... 22
2-5. White Balance Adjustment. .................................................. 23
SECTION 3:  DIAGRAMS ..................................................................... 24
3-1. Circuit Boards Location ........................................................ 24
3-2.  Printed Wiring Boards and 
Schematic Diagrams Information ......................................... 24
3-3. Block Diagram 
...................................................................... 26
3-4. Schematics and Supporting Information .............................. 27
AU Board Schematic Diagram (1 of 2) ................................. 27
AU Board Schematic Diagram (2 of 2) ................................. 28
BU Board Schematic Diagram (1 of 8) ................................. 30
BU Board Schematic Diagram (2 of 8) ................................. 31
BU Board Schematic Diagram (3 of 8) ................................. 32
BU Board Schematic Diagram (4 of 8) ................................. 33
BU Board Schematic Diagram (5 of 8) ................................. 34
BU Board Schematic Diagram (6 of 8) ................................. 35
BU Board Schematic Diagram (7 of 8) ................................. 36
BU Board Schematic Diagram (8 of 8) ................................. 37
G1 Board Schematic Diagram (Power Unit)  ....................... 39
H1U Board Schematic Diagram ........................................... 41
H2U Board Schematic Diagram ........................................... 43
H3U Board Schematic Diagram ........................................... 45
QS Board Schematic Diagram (1 of 5) ................................. 47
QS Board Schematic Diagram (2 of 5) ................................. 48
QS Board Schematic Diagram (3 of 5) ................................. 49
QS Board Schematic Diagram (4 of 5) ................................. 50
QS Board Schematic Diagram (5 of 5) ................................. 51
QT Board Schematic Diagram ............................................. 54
3-5. Semiconductors ................................................................... 57
SECTION 4:  EXPLODED VIEWS ........................................................ 58
4-1.  Rear Cabinet and Stand Assembly  ..................................... 58
4-2. Chassis  ............................................................................... 59
4-3. Speakers .............................................................................. 60
4-4. LCD Panel 
............................................................................ 61
SECTION 5:  ELECTRICAL PARTS LIST ............................................ 62
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