KF-E42A10, KF-E50A10 (serv.man7) - Sony TV Service Manual (repair manual). Page 2

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KF-E42A10/E50A10
KF-E42A10/E50A10
TABLE OF CONTENTS
SECTION TITLE   
PAGE
SECTION TITLE   
PAGE
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety Check-Out ........................................................................... 7
Self-Diagnostic Function ................................................................. 8
SECTION 1:  DISASSEMBLY ............................................................... 14
1-1. Overview .............................................................................. 14
1-2.  Rear Cover Removal ............................................................ 15
1-3. Service Position ................................................................... 16
1-4. HPC Board Removal 
............................................................ 17
1-5. P Board Removal ................................................................. 17
1-6.  AGA Board Removal ............................................................ 18
1-7.  GTA Board Removal ............................................................ 18
1-8.  K Board Removal ................................................................. 18
1-9.  B Block Assembly and RF Cable Removal .......................... 19
1-9-1.  B Block Fan Removal .............................................. 21
1-9-2.  B Board Removal ..................................................... 21
1-9-3.  TA Board and QGA Board Removal ........................ 21
1-10. Main Fan Removal ............................................................... 22
1-11. T1 Board and S2 Board Removal ........................................ 23
1-12. Lamp Driver and Optics Unit Block Assembly Removal ....... 24
1-12-1. Optics Unit Block Assembly Removal ...................... 25
1-12-2. Lamp Driver Fan Removal ....................................... 25
1-12-3. Lamp Driver Removal .............................................. 25
1-13. HC  Board  Removal  .............................................................. 26
1-14. HA Board and HB Board Removal ....................................... 27
1-15.  Screen Frame Assembly and Speaker Removal ................ 28
1-16. Mirror  Assembly  Removal  .................................................... 29
1-17. Mirror  Cover  Assembly  Removal .......................................... 29
 Wire 
Dressing 
....................................................................... 30
SECTION 2:  CIRCUIT ADJUSTMENTS .............................................. 71
2-1.  Using the Remote Commander for Electrical Adjustments .. 71
2-2. Accessing Service Adjustment Mode ................................... 71
2-3.  Viewing the Service Menus .................................................. 71
2-4.  Using the Remote Commander to Change Service Data .... 72
2-4-1. Exiting 
Service 
Mode 
............................................... 73
2-5.  Verifying Service Data Changes .......................................... 73
2-6.  Resetting Wega (User) Menu to Factory Defaults ............... 73
2-7.  H/V Center Confi rmation and Adjustments .......................... 74
2-8. IRIS Adjustments 
.................................................................. 74
SECTION 3:  DIAGRAMS ..................................................................... 75
3-1. Circuit Boards Location ........................................................ 75
3-2.  Printed Wiring Boards and 
 Schematic 
Diagrams 
Information 
......................................... 75
3-3. Block Diagram 
...................................................................... 77
3-4.  Schematics and Supporting Information .............................. 78
AGA Board Schematic Diagram (1 of 3) .............................. 78
AGA Board Schematic Diagram (2 of 3) .............................. 79
AGA Board Schematic Diagram (3 of 3) .............................. 80
B Board Schematic Diagram (1 of 9) ................................... 83
B Board Schematic Diagram (2 of 9) ................................... 84
B Board Schematic Diagram (3 of 9) ................................... 85
B Board Schematic Diagram (4 of 9) ................................... 86
B Board Schematic Diagram (5 of 9) ................................... 87
B Board Schematic Diagram (6 of 9) ................................... 88
B Board Schematic Diagram (7 of 9) ................................... 89
B Board Schematic Diagram (8 of 9) ................................... 90
B Board Schematic Diagram (9 of 9) ................................... 91
GTA Board Schematic Diagram ........................................... 93
HA Board Schematic Diagram ............................................. 96
HB Board Schematic Diagram ............................................. 98
HC Board Schematic Diagram ........................................... 101
HPC Board Schematic Diagram ......................................... 104
K Board Schematic Diagram .............................................. 107
P Board Schematic Diagram ...............................................110
QGA Board Schematic Diagram (1 of 2) ............................. 111
QGA Board Schematic Diagram (2 of 2) .............................112
S2 Board Schematic Diagram .............................................114
T1 Board Schematic Diagram .............................................117
T2 Board Schematic Diagram ............................................ 120
TA Board Schematic Diagram ............................................ 123
3-5. Semiconductors ................................................................. 125
SECTION 4:  EXPLODED VIEWS ...................................................... 126
4-1. Covers 
................................................................................ 126
4-2. Chassis .............................................................................. 127
4-3.  Optics Unit Block Assembly and Lamp Assembly .............. 128
SECTION 5:  ELECTRICAL PARTS LIST .......................................... 129
APPENDIX A:  REPLACING THE LAMP ............................................A-1
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