KF-E42A10, KF-E50A10 (serv.man3) - Sony TV Service Manual (repair manual). Page 8

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2-1. Rear Cover .................................................................... 13
2-2. Service Position ............................................................ 14
2-3. Terminal Bracket .......................................................... 15
2-4. HPC Board ................................................................... 15
2-5. AS Board ...................................................................... 15
2-6. D.C Fan (Under The AS Board) .................................. 16
2-7. B Block ........................................................................ 16
2-8. B Board ........................................................................ 16
2-9. B and QG Boards ......................................................... 17
2-10. QG Board ..................................................................... 17
2-11. P Board ........................................................................ 17
2-12. AGU Board ................................................................... 17
2-13. DC Fan ........................................................................ 18
2-14. Main Duct (R) .............................................................. 18
2-15. Duch block assembly (without Main Duct (R)) .......... 18
2-16. D.C. Fan (Sirocco) ....................................................... 19
2-17. Speaker Grill Block Assembly ..................................... 19
2-18. HA and HB Boards ...................................................... 19
2-19. Screen Frame Block Assembly .................................... 20
2-20. Speakers ........................................................................ 20
2-21. Rear Cover (With Mirror) ............................................ 20
2-22. How to Replace Optics Unit ........................................ 21

2-22-1. Remove Lamp Block (1) ............................... 21
2-22-2. Remove Lamp Block (2) ............................... 21
2-22-3. Remove Lamp Block (3) ............................... 21
2-22-4. Remove Cover, Rear (1) ................................ 21
2-22-5. Remove Cover, Rear (1-2) ............................. 21
2-22-6. Remove Cover, Rear (2) ................................ 21
2-22-7. Remove Stay (L), Side ................................... 22
2-22-8. Pull Out Some Blocks (1) .............................. 22
2-22-9. Pull Out Some Blocks (2) .............................. 22
2-22-10. Pull Out Some Blocks (3) .............................. 22
2-22-11. Pull Out Some Blocks (4) .............................. 23
2-22-12. Pull Out Some Block (5) ............................... 23
2-22-13. Pull Out Some Block (6) ............................... 23
2-22-14. Pull Out Some Block (7) ............................... 24
2-22-15. Pull Out Some Block (8) ............................... 24
2-22-16. Pull Out Some Block (9) ............................... 24
2-22-17. Remove Optics Unit ...................................... 24

3-1. Electrical Adjustment by Remote Commander ........... 25

3-1-1.

Method of Setting the Service Adjustment
Mode .............................................................. 25

3-1-2.

Service Mode Adjustment ............................. 25

3-1-3.

Memory Write Confirmation Method ........... 25

3-1-4.

Adjusting Buttons and Indicator ................... 25

3-2. H/V Center Confirmation and Adjustment .................. 26
3-3. IRIS Adjustment ........................................................... 26

4-1. Block Diagram ............................................................. 27

4-1-1

Block Diagram (1) ......................................... 27

4-1-2

Block Diagram AS ......................................... 30

4-1-3

Block Diagrams S2,T1 and T2 ...................... 31

4-1-4

Block Diagram HA,HB and HC .................... 32

4-1-5

Block Diagram GT ........................................ 33

4-2. Frame Schematic Diagram ........................................... 35
4-3. Circuit Boards Location ............................................... 37
4-4. Schematic Diagram Information .................................. 37

4-4-1.

AGU (1/3) Board Schematic Diagram .......... 39

4-4-2.

AGU (2/3) Board Schematic Diagram .......... 41

4-4-3.

AGU (3/3) Board Schematic Diagram .......... 43

4-4-4.

AS (1/2) Board Schematic Diagram ............. 45

4-4-5.

AS (2/2) Board Schematic Diagram ............. 47

4-4-6.

GT (1/2) Board Schematic Diagram ............. 49

4-4-7.

GT (2/2) Board Schematic Diagram ............. 51

4-4-8.

HA Board Schematic Diagram ...................... 53

4-4-9.

HB Board Schematic Diagram ...................... 54

4-4-10. HC Board Schematic Diagram ...................... 56
4-4-11. HPC Board Schematic Diagram .................... 58
4-4-12. P Board Schematic Diagram ......................... 59
4-4-13. S2 Board Schematic Diagram ....................... 61
4-4-14. T1 and T2 Boards Schematic Diagrams ........ 62

4-5. Printed Wiring Boards .................................................. 63
4-6. Semiconductors ............................................................ 71

5-1. Screen Mirror Block, Cover ......................................... 72
5-2. B Block, Chassis Assembly ......................................... 73
5-3. Lamp Duct Assembly, Optics Unit Block ................... 74

.............................................. 75

COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.