Read Sony KLV-52X200A / KLV-52X250A Service Manual online
KLV-52X200A/
52X250A
(GA) 4
TABLE OF CONTENTS
1. DISASSEMBLY ............................................... 1-1
1-1. REAR COVER ASSY REMOVAL ...................... 1-1
1-2. STAND ASSY REMOVAL ................................... 1-2
1-3. SPEAKER REMOVAL ......................................... 1-2
1-4. H1 BOARD REMOVAL ....................................... 1-3
1-5. H2 BOARD REMOVAL ....................................... 1-3
1-6. G2 AND D4 BOARDS REMOVAL ..................... 1-4
1-7. D5 BOARD REMOVAL ....................................... 1-5
1-8. AG BOARD REMOVAL ...................................... 1-5
1-9. B2, FXE AND TUG BOARDS REMOVAL ........ 1-6
1-10. H3 AND H4 BOARDS REMOVAL ..................... 1-7
1-11. CHASSIS BRACKET ASSY REMOVAL ........... 1-7
1-12. LCD PANEL REMOVAL ..................................... 1-8
2. TROUBLE SHOOTING ................................... 2-1
2-1. TROUBLE SHOOTING ........................................ 2-1
2-2. DIAGNOSIS MODE .............................................. 2-6
2-3. SERVICE MODE ................................................. 2-11
2-4. UPGRADE METHOD (MS DOWNLOAD) ....... 2-14
2-5. ADJUSTMENTS AFTER BOARD
REPLACEMENT ................................................. 2-16
2-5-1.
AD ADJUSTMENT ....................................... 2-16
2-5-2.
WB ADJUSTMENT ...................................... 2-19
3. DIAGRAMS ..................................................... 3-1
3-1. BLOCK DIAGRAM .............................................. 3-1
3-2. FRAME DIAGRAM .............................................. 3-2
3-3. CIRCUIT BOARDS LOCATION ......................... 3-3
3-4. SCHEMATIC DIAGRAMS AND PRINTED
WIRING BOARDS ............................................... 3-3
(1)
Schematic Diagrams of AG Board .................. 3-4
(2)
Schematic Diagrams of B2 Board ................. 3-15
(3)
Schematic Diagram of D4 Board ................... 3-32
(4)
Schematic Diagram of D5 Board ................... 3-34
(5)
Schematic Diagrams of FXE Board .............. 3-36
(6)
Schematic Diagram of G2 Board ................... 3-45
(7)
Schematic Diagram of H1 Board .................. 3-47
(8)
Schematic Diagram of H2 Board .................. 3-48
(9)
Schematic Diagram of H3 Board .................. 3-50
(10) Schematic Diagram of H4 Board .................. 3-51
(11) Schematic Diagram of TUG Board ............... 3-52
3-5. SEMICONDUCTORS ......................................... 3-54
4. EXPLODED VIEWS ........................................ 4-1
4-1. REAR COVER AND STAND ASSY ................... 4-2
4-2. ARM AND UNDER COVER ................................ 4-3
4-3. CHASSIS-1 ............................................................ 4-4
4-4. CHASSIS-2 ............................................................ 4-5
4-5. CHASSIS BRACKET ASSY AND SPEAKER .... 4-6
4-6. BEZEL ASSY AND LCD PANEL ....................... 4-7
4-7. PACKING MATERIALS ...................................... 4-8
5. ELECTRICAL PARTS LIST ............................ 5-1
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