Sony KLV-23HR2 (serv.man2) Service Manual ▷ View online
KLV-23HR2 (UC) 5
TABLE OF CONTENTS
1. DISASSEMBLY ...................................... 1-1
1-1. REAR COVER AND STAND ASSY REMOVAL ..... 1-1
1-2. REAR CABINET ASSY REMOVAL .................... 1-1
1-3. H1 BOARD REMOVAL ....................................... 1-2
1-4. D3 AND MSX BOARDS REMOVAL ................... 1-2
1-5. U1 BOARD REMOVAL ....................................... 1-3
1-6. MS AND MSB BOARDS REMOVAL .................. 1-3
1-7. G BOARD REMOVAL ......................................... 1-4
1-8. A AND TU BOARDS REMOVAL ........................ 1-4
1-9. B AND UD BOARDS REMOVAL ........................ 1-5
1-10. H5 BOARD REMOVAL ..................................... 1-5
1-11. H2 BOARD REMOVAL ..................................... 1-6
1-12. LDC MODULE REMOVAL ................................ 1-6
1-13. H4 BOARD REMOVAL ..................................... 1-7
2.ADJUSTMENTS ...................................... 2-1
2-1. ADJUSTMENT OF SIGNAL LEVEL ................... 2-1
2-1-1. Check AD calibration registration items .............. 2-1
2-1-2. Y signal AD calibration of TV/VIDEO input ...... 2-1
2-1-3. C signal AD calibration of TV/VIDEO input ...... 2-1
2-1-4. Y signal AD calibration of COMPONENT input
2-2
2-1-5. C signal AD calibration of COMPONENT input
2-2
2-1-6. Y signal AD calibration of DVI input .................. 2-3
2-1-7. C signal AD calibration of DVI input .................. 2-3
2-2. WHITE BALANCE ADJUSTMENT ..................... 2-3
2-2-1. White Balance of color temerature “cool” ........... 2-3
2-2-2. White Balance of color temerature “natural” ....... 2-3
2-2-3. White Balance of color temerature “warm” ......... 2-3
3.DIAGRAMS ............................................. 3-1
3-1. BLOCK DIAGRAMS ........................................... 3-1
3-2. FRAME DIAGRAM ............................................. 3-9
3-3. CIRCUIT BOARDS LOCATION ......................... 3-10
3-4. CHEMATIC DIAGRAMS AND PRINTED
WIRING BOARDS ........................................... 3-10
(1) Schematic Diagrams of A Board .......................... 3-11
(2) Schematic Diagrams of B Board ........................... 3-16
(3) Schematic Diagrams of D3 Board ........................ 3-25
(4) Schematic Diagram of G Board ............................ 3-30
(5) Schematic Diagram of H1 and H2 Boards ........... 3-32
(6) Schematic Diagram of H4 and H5 Boards ........... 3-33
(7) Schematic Diagrams of MS Board ....................... 3-34
(8) Schematic Diagram of MSB and MSX Board ...... 3-38
(9) Schematic Diagram of TU Board ......................... 3-39
(10) Schematic Diagram of U1 Board ........................ 3-40
(11) Schematic Diagram of UD Board ....................... 3-41
3-5. SEMICONDUCTORS ......................................... 3-43
4. EXPLODED VIEWS ............................... 4-1
4-1. CHASSIS ............................................................ 4-2
4-2. PACKING MATERIALS ...................................... 4-4
5. ELECTRICAL PARTS LIST ................... 5-1
KLV-23HR2 (UC) 1-1
1-1. REAR COVER AND STAND ASSY REMOVAL
SECTION 1
DISASSEMBLY
1-2. REAR CABINET ASSY REMOVAL
1
Rear cover(23) assy
3
Stand assy
2 Four screws
(+PSW 4x12)
(+PSW 4x12)
4
Rear cabinet assy
1 Seven screws
(+PSW 4x12)
(+PSW 4x12)
2 Two screws
(+BVTP 3x16)
(+BVTP 3x16)
3 Two screws
(+BVTP 3x20)
(+BVTP 3x20)
KLV-23HR2 (UC) 1-2
1-3. H1 BOARD REMOVAL
1-4. D3 AND MSX BOARDS REMOVAL
2
H1 board
1 Two screws
(+BVTP 3x6)
(+BVTP 3x6)
2
D3 board
4
MSX board
1 Five screws
(+BVTT 3x6)
(+BVTT 3x6)
3 Two screws
(+BVTT 3x6)
(+BVTT 3x6)
KLV-23HR2 (UC) 1-3
1-5. U1 BOARD REMOVAL
1-6. MS AND MSB BOARDS REMOVAL
3
U1 board
2 Three screws
(+BVTT 3x6)
(+BVTT 3x6)
1 Screw
(+BVTT 3x6)
(+BVTT 3x6)
1 Screw
(+BVTT 3x6)
(+BVTT 3x6)
5
MSB board
3
MS board
2
MS Shield
1 Three screws
(+BVTT 3x6)
(+BVTT 3x6)
4 Two screws
(+BVTT 3x6)
(+BVTT 3x6)
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