KD-34XBR970 - Sony TV Service Manual (repair manual). Page 2

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KD-34XBR970
KD-34XBR970
TABLE OF CONTENTS 
SECTION TITLE   
PAGE
SECTION TITLE   
PAGE
Speci
Þ cations ......................................................................... 4
Warnings and Cautions .......................................................... 6
Safety Check-Out ................................................................... 7
Self-Diagnostic Function ........................................................ 8
SECTION 1:  DISASSEMBLY ................................................................11
1-1.  Rear Cover Removal .............................................................11
1-2. Chassis Assembly Removal 
..................................................11
1-3. Service Position ....................................................................11
1-4. Picture Tube Removal 
.......................................................... 12
 
Anode Cap Removal Procedure ..................................... 12
 
Cable Wire Dressing ....................................................... 13
SECTION 2:  SET-UP ADJUSTMENTS ................................................ 47
2-1. Beam Landing ...................................................................... 47
2-2. Convergence 
........................................................................ 48
2-2.1.  Vertical and Horizontal Static Convergence ............ 48
2-3.  V-PIN and V-CEN Adjustment .............................................. 48
2-3.1.  Operation of BMC (Hexapole) Magnet .................... 48
2-3.2. TLH 
Plate 
Adjustment 
.............................................. 49
2-3.3. Screen-Corner 
Convergence 
................................... 49
2-3.4. Dynamic 
Convergence 
Adjustments 
........................ 49
2-4. Focus Adjustment 
................................................................. 50
2-4.1.  Dynamic Focus/Dynamic Quadra-Pole Data ........... 50
2-5. Screen (G2) 
.......................................................................... 51
2-6. Picture Quality Adjustments ................................................. 51
2-6.1.  Video Input - Sub Contrast Adjustment .................... 51
2-6.2.  Video Input - Sub Hue/Sub Color Adjustment .......... 52
2-6.3.  RF Input - Sub Contrast Adjustment ........................ 52
2-6.4.  RF Input - Sub Hue/Sub Color Adjustment .............. 53
2-7.  White Balance (CRT) and Sub Bright Adjustment ................ 53
2-7.1.  Color Offset Adjustment Procedure ......................... 54
2-8.  H Raster Center Adjustment ................................................ 54
2-9. Picture Distortion Adjustments ............................................. 55
2-9.1.  NTSC (DRC) Full Mode Adjustment ........................ 55
2-9.2.  1080i HD Mode Adjustment ..................................... 56
2-9.3.  Vertical Compressed Mode Check and Con
Þ rmation 
(For 4x3 CRT Only) ................................................. 56
2-9.4.  Normal, Zoom and Wide Zoom modes .................... 56
SECTION 3:  SAFETY RELATED ADJUSTMENTS ............................. 57
3-1.  Preparation Before Con
Þ rmation .......................................... 57
3-1.1  Hold-Down Operation Con
Þ rmation ......................... 57
3-2.  B+ Max Con
Þ rmation ........................................................... 57
3-3.  B+ Voltage Check ................................................................ 57
3-4.  High Voltage (HV) Check ..................................................... 57
3-5.  Preparation for HV and IK Protector Check ......................... 57
3-6.  HV Protector Check ............................................................. 57
3-6-1.  Cut Off Condition ..................................................... 57
3-6-2. High 
Light 
Condition 
................................................ 58
3-7.  IK Protector Check ............................................................... 58
3-8.  Hold Down Check ................................................................ 58
3-9. Restoration 
........................................................................... 58
HV Service Flowchart Table ................................................. 60
SECTION 4:  CIRCUIT ADJUSTMENTS .............................................. 61
4-1. Setting Service Adjustment Mode ........................................ 61
4-1.1. Service 
Adjustment 
Mode 
In 
.................................... 61
4-1.2. Service 
Adjustment 
Mode 
Memory 
.......................... 61
4-1.3. Reading 
the 
Memory 
............................................... 61
4-1.4. Adjusting 
the 
Picture 
................................................ 61
4-1.5. Copy 
Function 
.......................................................... 61
4-2.  Memory Write Con
Þ rmation Method .................................... 62
4-3.  Remote Adjustment Buttons and Indicators ......................... 62
4-4. Service Data 
......................................................................... 63
4-5. ID Map Table ........................................................................ 77
SECTION 5:  DIAGRAMS ..................................................................... 78
5-1.  Circuit Boards Location ........................................................ 78
5-2.  Printed Wiring Boards and 
Schematic Diagrams Information ......................................... 78
5-3. Block Diagrams .................................................................... 79
5-4.  Schematics and Supporting information .............................. 82
A Board Schematic Diagram (1 of 2) .................................... 82
A Board Schematic Diagram (2 of 2) .................................... 83
B Board Schematic Diagram (1 of 2) ................................... 86
B Board Schematic Diagram (2 of 2) ................................... 87
CH Board Schematic Diagram ............................................. 90
D Board Schematic Diagram (1 of 2) ................................... 93
D Board Schematic Diagram (2 of 2) ................................... 94
HAX Board Schematic Diagram ........................................... 98
HB Board Schematic Diagram ........................................... 100
HCX Board Schematic Diagram ......................................... 101
M Board Schematic Diagram (1 of 4) ................................. 103
M Board Schematic Diagram (2 of 4) ................................. 104
M Board Schematic Diagram (3 of 4) ................................. 105
M Board Schematic Diagram (4 of 4) ................................. 106
PA Board Schematic Diagram ............................................ 109
UZ Board Schematic Diagram ............................................ 111
WY Board Schematic Diagram ...........................................114
5-5.  Semiconductors (1 of 2) ......................................................117
 
Semiconductors (2 of 2) ......................................................118
SECTION 6:  EXPLODED VIEWS .......................................................119
6-1. Chassis ...............................................................................119
6-2. Picture Tube ....................................................................... 120
SECTION  7:  ELECTRICAL PARTS LIST ......................................... 121
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