Table Of Contents; Section Title - Sony KDF-E55A20 Service Manual

SECTION TITLE
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety Check-Out ........................................................................... 7
Self-Diagnostic Function ................................................................. 8
SECTION 1: DISASSEMBLY ............................................................... 14
1-1. Rear Cover Removal ............................................................ 14
1-2. OU Bracket Removal ........................................................... 14
1-3. Chassis Assembly and Fan Removal .................................. 15
1-4. Service Position ................................................................... 15
1-5. RF Antenna Switch Removal ............................................... 16
1-6. U1 Board and H4 Board Removal ........................................ 16
1-7. GM Board Removal .............................................................. 17
1-8. A1 Board (or A2 Board) and KD Board Removal ................. 17
1-9. DMB Assembly (Q Box) and B1 Board Removal ................. 18
1-10. GI Board (or GK Board) Removal ........................................ 18
1-11. Fan and T Board Removal ................................................... 19
1-12. H1 Board Removal ............................................................... 19
1-13. Front Cover Assembly Removal ........................................... 20
1-13-1. Replacing the Lamp ................................................. 20
1-14. Power Supply Block Removal (Lamp Drive Unit) ................. 20
1-15. Optics Unit Block Assembly Fan Removal .......................... 21
1-16. H2 Board, H3 Board, and H5 Board Removal ..................... 21
1-17. Screen Mirror Block Assembly Removal .............................. 22
1-18. Speaker Removal ................................................................. 22
Wire Dressing ............................................................................... 23
SECTION 2: CIRCUIT ADJUSTMENTS .............................................. 43
2-1. Remote Adjustment Buttons and Indicators ......................... 43
2-2. Accessing the Service Adjustment Mode ............................. 43
2-3. Changing Service Adjustment Mode Memory ...................... 43
2-4. Memory Write Confi rmation Method .................................... 44
2-5. H/V Center Confi rmation and Adjustments .......................... 45
2-6. Adjusting On Screen Display (OSD) Position ...................... 46
SECTION 3: DIAGRAMS ..................................................................... 47
3-1. Circuit Boards Location ........................................................ 47
3-2. Printed Wiring Boards and
Schematic Diagrams Information ......................................... 47
3-3. Block Diagrams .................................................................... 49
Signal Flow Block Diagram (SN 9,000,001 to 9,099,999
and 9,800,000 and 9,899,999 Only) ........................ 49
Signal Flow Block Diagram (SN 9,100,001 to 9,799,999
and 9,900,001 Up) ................................................... 50
Audio Block Diagram ....................................................... 51
KDF-E55A20/E60A20

TABLE OF CONTENTS

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SECTION TITLE

3-3. Schematics and Supporting Information .............................. 52
3-4. Semiconductors ................................................................... 89
SECTION 4: EXPLODED VIEWS ........................................................ 90
4-1. Cover .................................................................................... 90
4-2. Bottom Cabinet .................................................................... 91
4-3. Chassis ................................................................................ 92
SECTION 5: ELECTRICAL PARTS LIST ........................................... 93
A1 Board Schematic Diagram (1 of 2) (SN 9,000,001 to
9,099,999 and 9,800,001 to 9,899,999 Only) .......... 52
A1 Board Schematic Diagram (2 of 2) (SN 9,000,001 to
9,099,999 and 9,800,001 to 9,899,999 Only) .......... 53
A2 Board Schematic Diagram (1 of 2) (SN 9,100,001 to
9,799,999 and 9,900,001 and Up Only) .................. 55
A2 Board Schematic Diagram (2 of 2) (SN 9,100,001 to
9,799,999 and 9,900,001 and Up Only) .................. 56
B1 Board Schematic Diagram (1 of 5) ................................. 58
B1 Board Schematic Diagram (2 of 5) ................................. 59
B1 Board Schematic Diagram (3 of 5) ................................. 60
B1 Board Schematic Diagram (4 of 5) ................................. 61
B1 Board Schematic Diagram (5 of 5) ................................. 62
GI Board Schematic Diagram (1 of 2) (SN 9,000,001 to
9,099,999 and 9,800,001 to 9,899,999 Only) .......... 65
GI Board Schematic Diagram (2 of 2) (SN 9,000,001 to
9,099,999 and 9,800,001 to 9,899,999 Only) .......... 66
GK Board Schematic Diagram (1 of 3) (SN 9,100,001 to
9,799,999 and 9,900,001 and Up Only) .................. 69
GK Board Schematic Diagram (2 of 3) (SN 9,100,001 to
9,799,999 and 9,900,001 and Up Only) .................. 70
GK Board Schematic Diagram (3 of 3) (SN 9,100,001 to
9,799,999 and 9,900,001 and Up Only) .................. 71
GM Board Schematic Diagram ............................................ 74
H1 Board Schematic Diagram .............................................. 77
H2 Board Schematic Diagram .............................................. 79
H3 Board Schematic Diagram .............................................. 81
H4 Board Schematic Diagram (SN 9,000,001 to 9,099,999
and 9,800,001 to 9,899,999 Only) ........................... 82
H5 Board Schematic Diagram .............................................. 83
KD Board Schematic Diagram (SN 9,000,001 to 9,099,999
and 9,800,001 to 9,899,999 Only) ........................... 84
T Board Schematic Diagram ................................................ 86
U1 Board Schematic Diagram .............................................. 87
KDF-E55A20/E60A20
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