Sony KF-E42A10, Service Manual

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KF-E42A10/E50A10
RM-GA004 RM-GA004
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TABLE OF CONTENTS
Section Title Page
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Section Title Page
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1. SELF DIAGNOSIS FUNCTION
..................... 10
2. DISASSEMBLY
2-1. Rear Cover .......................................................... 15
2-2. Service Position .................................................. 16
2-3. Terminal Bracket ................................................ 17
2-4. HPC Board .......................................................... 17
2-5. AS Board ............................................................ 17
2-6. D.C Fan (Under The AS Board) ........................ 18
2-7. B Block ............................................................... 18
2-8. B Board ............................................................... 18
2-9. B and QG Boards ............................................... 19
2-10. QG Board ............................................................ 19
2-11. P Board ............................................................... 19
2-12. AGU Board ......................................................... 19
2-13. DC Fan ................................................................ 20
2-14. Main Duct (R) .................................................... 20
2-15. Duch Block Assembly
(Without Main Duct (R)) ................................... 20
2-16. D.C. Fan (Sirocco) ............................................. 21
2-17. Speaker Grill Block Assembly ........................... 21
2-18. HA and HB Boards ............................................ 21
2-19. Screen Frame Block Assembly .......................... 22
2-20. Speakers .............................................................. 22
2-21. Rear Cover (With Mirror) .................................. 22
2-22. How to Replace Optics Unit .............................. 23
2-22-1. Remove Lamp Bloxk (1) ............................ 23
2-22-2. Remove Lamp Bloxk (2) ............................ 23
2-22-3. Remove Lamp Bloxk (3) ............................ 23
2-22-4. Remove Cover, Rear (1) ............................. 23
2-22-5. Remove Cover, Rear (1-2) .......................... 23
2-22-6. Remove Cover, Rear (2) ............................. 23
2-22-7. Remove Stay (L), Side ................................ 24
2-22-8. Pull Out Some Blocks (1) ........................... 24
2-22-9. Pull Out Some Blocks (2) ........................... 24
2-22-10. Pull Out Some Blocks (3) ........................... 24
2-22-11. Pull Out Some Blocks (4) ........................... 25
2-22-12. Pull Out Some Blocks (5) ........................... 25
2-22-13. Pull Out Some Blocks (6) ........................... 25
2-22-14. Pull Out Some Blocks (7) ........................... 26
2-22-15. Pull Out Some Blocks (8) ........................... 26
2-22-16. Pull Out Some Blocks (9) ........................... 26
2-24-18. Remove Optics Unit .................................... 26
3. ELECTRICAL ADJUSTMENTS
3-1. Electrical Adjustment by Remote Commander .... 27
3-1-1. Method of Setting the Service Adjustment
Mode ............................................................... 27
3-1-2. Service Mode Adjustment ............................ 27
3-1-3. Memory Write Confirmation Method .......... 27
3-1-4. Adjusting Buttons and Indicator ................... 27
3-2. To read Lamp and Panel time ............................ 28
3-3. Test Reset ........................................................... 28
4. DIAGRAMS
4-1. Block Diagram (1) .............................................. 29
Block Diagram (2) .............................................. 30
Block Diagram (3) .............................................. 31
Block Diagram (4) .............................................. 32
Block Diagram (5) .............................................. 33
Block Diagram (6) .............................................. 34
Block Diagram (7) .............................................. 35
4-2. Frame Schematic Diagram ................................. 36
4-3. Circuit Boards Location ..................................... 37
4-4. Schematic Diagrams ........................................... 37
(1) Schematic Diagram of AGU (1/3) Board .......... 38
(2) Schematic Diagram of AGU (2/3) Board .......... 39
(3) Schematic Diagram of AGU (3/3) Board .......... 40
(4) Schematic Diagram of AS (1/2) Board .............. 41
(5) Schematic Diagram of AS (2/2) Board .............. 42
(6) Schematic Diagram of GT (1/2) Board ............ 43
(7) Schematic Diagram of GT (2/2) Board ............ 44
(8) Schematic Diagram of HA Board ..................... 45
(9) Schematic Diagram of HB Board ...................... 46
(10) Schematic Diagram of HC Board ..................... 47
(11) Schematic Diagram of HPC Board ................... 48
(12) Schematic Diagram of P Board ......................... 49
(13) Schematic Diagram of S2, T1, T2 Boards ........ 50