KV-30XBR910 - Sony TV Service Manual (repair manual). Page 2

Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 5
Safety Check-Out ........................................................................... 6
Self-Diagnostic Function................................................................. 7

SECTION 1:  DISASSEMBLY............................................................... 10

1-1.  Rear Cover Removal............................................................ 10
1-2. Chassis Assembly Removal................................................. 10
1-3. Service Position ................................................................... 10
1-4. Picture Tube Removal...........................................................11
 

Anode Cap Removal Procedure............................................11

2-1. Beam Landing ...................................................................... 12
2-2.  V-PIN and V-CEN Adjustment .............................................. 13
2-3. Convergence........................................................................ 13

2-3.1.  Vertical and Horizontal Static Convergence ............ 13
2-3.2.  Operation of BMC (Hexapole) Magnet .................... 14
2-3.3. TLH 

Adjustment .............................................. 14

Adjustments........................ 14

Convergence................................... 15

2-4. Focus Adjustment................................................................. 16

2-4.1.  Dynamic Focus/Dynamic Quadra-Pole Data ........... 17

2-5. Screen (G2).......................................................................... 17
2-6. Picture Quality Adjustments ................................................. 17

2-6.1.  Video Input - Sub Contrast Adjustment.................... 17
2-6.2.  Video Input - Sub Hue/Sub Color Adjustment.......... 17
2-6.3.  RF Input - Two Picture Sub Contrast Adjustment .... 18
2-6.4.  RF Input - Sub Hue/Sub Color Adjustment .............. 18

2-7.  White Balance (CRT) and Sub Bright Adjustment................ 19

Procedure ......................... 19

2-8.  H Raster Center Adjustment ................................................ 19
2-9. Picture Distortion Adjustments ............................................. 20

2-9.1.  NTSC (DRC) Full Mode Adjustment ........................ 20
2-9.2.  1080i HD Mode Adjustment ..................................... 21
2-9.3.  Twin Mode/Favorite/Index/Normal Mode 

3-1.  Preparation Before Confi rmation.......................................... 22

3-1.1  Hold-Down Operation Confi rmation......................... 22

3-2.  B+ Max Confi rmation ........................................................... 22
3-3.  HV Service Flow Chart......................................................... 23

SECTION 4:  CIRCUIT ADJUSTMENTS.............................................. 25

4-1.  Setting Service Adjustment Mode ........................................ 25

4-1.1.  Service Adjustment Mode In .................................... 25
4-1.2.  Service Adjustment Mode Memory .......................... 25
4-1.3.  Reading the Memory ............................................... 25
4-1.4.  Adjusting the Picture................................................ 25
4-1.5.  Resetting the Data ................................................... 25
4-1.6.  Resetting the MID NVM Data .................................. 25
4-1.7.  Resetting the System NVM Data ............................. 25
4-1.8. Copy 

Function.......................................................... 25

4-2.  Memory Write Confi rmation Method .................................... 26
4-3.  Remote Adjustment Buttons and Indicators ......................... 26
4-4.  Service Data Lists ................................................................ 27
4-5. ID Map Table ........................................................................ 29

SECTION 5:  DIAGRAMS..................................................................... 30

5-1.  Circuit Boards Location ........................................................ 30
5-2.  Printed Wiring Boards and 

Schematic Diagrams Information ......................................... 30

5-3. Block Diagrams ..................................................................... 31
5-4.  Schematics and Supporting Information .............................. 35

UD Board Schematic Diagram ............................................. 35
B Board Schematic Diagram (1 of 6) ................................... 37
B Board Schematic Diagram (2 of 6) ................................... 38
B Board Schematic Diagram (3 of 6) ................................... 39
B Board Schematic Diagram (4 of 6) ................................... 40
B Board Schematic Diagram (5 of 6) ................................... 41
B Board Schematic Diagram (6 of 6) ................................... 42
MX Board Schematic Diagram (1 of 4) ................................ 45
MX Board Schematic Diagram (2 of 4) ................................ 46
MX Board Schematic Diagram (3 of 4) ................................ 47
MX Board Schematic Diagram (4 of 4) ................................ 48
UX Board Schematic Diagram ............................................. 51
HMX Board Schematic Diagram .......................................... 53
V Board Schematic Diagram (1 of 5) ................................... 55
V Board Schematic Diagram (2 of 5) ................................... 56
V Board Schematic Diagram (3 of 5) ................................... 57
V Board Schematic Diagram (4 of 5) ................................... 58
V Board Schematic Diagram (5 of 5) ................................... 59
D Board Schematic Diagram (1 of 2) ................................... 62
D Board Schematic Diagram (2 of 2) ................................... 63
DL Board Schematic Diagram.............................................. 67
HCX Board Schematic Diagram........................................... 70
A Board Schematic Diagram (1 of 2).................................... 72
A Board Schematic Diagram (2 of 2).................................... 73
CX Board Schematic Diagram ............................................. 76
HAX Board Schematic Diagram........................................... 78
HB Board Schematic Diagram ............................................. 79
WX Board Schematic Diagram ............................................ 81

5-5.  Semiconductors (1 of 2) ....................................................... 85
 

Semiconductors (2 of 2) ....................................................... 86

SECTION 6:  EXPLODED VIEWS ........................................................ 87

6-1. Chassis ................................................................................ 87
6-2. Picture Tube ......................................................................... 88
6-3. Beznet .................................................................................. 89

SECTION  7:  ELECTRICAL PARTS LIST........................................... 90