Table Of Contents; Section Title - Sony KP-46WT500 Service Manual

SECTION TITLE
Specifications ................................................................................. 4
Warnings and Cautions .................................................................. 5
Safety Check-Out ........................................................................... 6
Self-Diagnostic Function ................................................................ 7
SECTION 1: DISASSEMBLY
1-1. Rear Board Removal ........................................................ 10
1-2. Chassis Assembly Removal.............................................. 10
1-3. Service Position ................................................................ 10
1-4. Speaker Grille and H2 Board Removal............................. 11
1-5. H1 Board Removal............................................................ 11
1-6. H4 Board Removal............................................................ 11
1-8. Beznet Assembly Removal ............................................... 12
1-7. Mirror Cover Removal....................................................... 12
1-9. S Board Removal.............................................................. 12
1-10. AD Board and B Board Removal ...................................... 12
1-11. G Board Removal ............................................................. 13
1-12. Terminal Board, A Board, D Board,
U Board, and UD Board Removal .................................... 13
1-13. Picture Tube Removal....................................................... 14
1-14. High-Voltage Cable Installation and Removal................... 14
SECTION 2: SET-UP ADJUSTMENTS
2-1. Screen Voltage Adjustment (Coarse Adjustment) ............. 15
2-2. Screen (G2) Adjustment(Fine Adjustment) ....................... 15
2-3. Deflection Yoke Tilt Adjustment......................................... 15
2-4. Focus Lens Adjustment..................................................... 16
2-5. Focus VR Adjustment ....................................................... 16
2-6. 2-Pole Magnet and Centering Magnet Adjustment ........... 17
2-7. Centering Magnet Adjustment........................................... 17
2-8. 4-Pole Magnet Adjustment ............................................... 17
2-9. Blue Defocus Adjustment.................................................. 17
2-10. Electrical Adjustments by Remote Commander................ 18
2-11. Service Data Lists ............................................................ 19
2-12. Registration Adjustments ................................................. 38
2-13. PJE Adjustment (Sub Deflection Adjustment) ................... 40
2-14. Auto Convergence Offsets................................................ 42
2-15. Auto Registration Error Codes .......................................... 43
SECTION 3: SAFETY-RELATED ADJUSTMENTS
D BOARD .................................................................................... 45
3-1. HV Regulation Circuit Check And Adjustment .................. 45
3-2. HV Hold Down Circuit Operation Check
and Adjustment................................................................. 45
G BOARD ..................................................................................... 46
3-3. +B Max Voltage Confirmation ........................................... 46
3-4. +B OVP Confirmation........................................................ 46
SECTION 4: CIRCUIT ADJUSTMENTS
4-1. Blue Offset Adjustment ..................................................... 47
4-2. P &P Sub Contrast Adjustment (Video) (SCON)............... 47
4-3. P & P Sub Contrast Adjustment (RF) (SCON) .................. 47
4-4. P & P Sub-Hue and Sub-Color Adjustment
(Video) (SHUE, SCOL)..................................................... 47
4-5. P & P Sub-Hue and Sub-Color Adjustment
(RF) (SHUE, SCOL) ......................................................... 48

TABLE OF CONTENTS

PAGE

SECTION TITLE

SECTION 5: DIAGRAMS
5-1.
5-2.
5-3. Block Diagrams ..................................................................... 51
5-4.
5-5.
5-6.
SECTION 6: EXPLODED VIEWS
6-1.
6-2.
6-3.
SECTION 7: ELECTRICAL PARTS LIST.......................................... 88
- 3 -
Circuit Boards Location..................................................... 49
Printed Wiring Boards and
Schematic Diagrams Information ..................................... 49
Block Diagram (1 of 3) ...................................................... 51
Block Diagram (2 of 3) ...................................................... 52
Block Diagram (3 of 3) ...................................................... 53
Schematics and Supporting Information ........................... 54
V Board Schematic Diagram............................................. 54
CR Board Schematic Diagram.......................................... 55
CG Board Schematic Diagram.......................................... 56
CB Board Schematic Diagram .......................................... 57
UD Board Schematic Diagram.......................................... 58
D Board Schematic Diagram ............................................ 60
B Board Schematic Diagram (1 of 2) ................................ 63
B Board Schematic Diagram (2 of 2) ................................ 64
AD Board Schematic Diagram .......................................... 66
A Board Schematic Diagram (1 of 3) ................................ 67
A Board Schematic Diagram (2 of 3) ................................ 68
A Board Schematic Diagram (3 of 3) ................................ 69
U Board Schematic Diagram ............................................ 74
G Board Schematic Diagram ............................................ 76
H2 Board Schematic Diagram .......................................... 77
H1 Board Schematic Diagram .......................................... 78
H4 Board Schematic Diagram .......................................... 79
S Board Schematic Diagram............................................. 79
IC Block Diagrams ............................................................ 80
A Board: IC305, 307 SN74LV4053ANSR ........................ 80
A Board: IC308 CxD2085M............................................... 80
A Board: IC305, TDA7265 ............................................... 80
B Board: IC3305, 3404 TLC2932IPWr............................. 81
B Board: IC3413 SN74LV4053ANSR .............................. 81
B Board: IC3414 M52055P .............................................. 81
CR Board: IC7101 TDA6120Q......................................... 82
CG Board: IC7201 TDA6120Q ........................................ 82
CB Board: IC7301 TDA6120Q......................................... 82
U Board: IC2004 CXA2069Q ........................................... 83
Semiconductors ................................................................ 84
Cover ................................................................................ 85
Chassis ............................................................................. 86
Picture Tube ..................................................................... 87
KP-46WT500
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