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KDL-70X3500 (AEP) 8
TABLE OF CONTENTS
SAFETY CHECK-OUT ............................................. 5
SELF DIAGNOSIS FUNCTION ................................ 6
1. DISASSEMBLY ............................................... 1-1
1-1.
BEZEL ASSY REMOVAL ................................... 1-1
1-2.
REAR COVER ASSY REMOVAL ...................... 1-1
1-3.
STAND ASSY AND ARM ASSY REMOVAL ... 1-2
1-4.
HW2 BOARD AND SIDE TERMINAL ASSY
REMOVAL ............................................................ 1-2
1-5.
H1 BOARD REMOVAL ....................................... 1-3
1-6.
UB1 BOARD REMOVAL ..................................... 1-3
1-7.
AVC BOARD AND CI BOARD REMOVAL ...... 1-4
1-8.
FB2 BOARD AND AE BOARD REMOVAL ...... 1-4
1-9.
TUE BOARD AND CHASSIS BRACKET ASSY
REMOVAL ............................................................ 1-5
1-10. G1P2, G2P2 AND FP BOARDS REMOVAL ...... 1-5
1-11. AC INLET AND UNDER COVER REMOVAL .. 1-6
1-12. LD3 BOARD REMOVAL ..................................... 1-6
1-13. FAN (R) REMOVAL ............................................. 1-7
1-14. FAN (L) REMOVAL ............................................. 1-7
1-15. LOUDSPEAKER, H3 BOARD AND
H4 BOARD REMOVAL ....................................... 1-8
1-16. CABINET ASSY REMOVAL .............................. 1-8
1-17. WIRING LAYOUT ................................................ 1-9
2. SERVICE ADJUSTMENTS ............................. 2-1
Due to the complexity of this set, service
adjustments are not available. .......................................... 2-1
3. TROUBLESHOOTING .................................... 3-1
3.1.
No Power (Flow Chart_B) ..................................... 3-2
3-2.
Set Reboots ............................................................. 3-3
3-3.
Self Diagnosis ......................................................... 3-3
3-3-1.
Flow Chart_C ................................................... 3-4
3-3-2.
POWER OVP (RED 2 times blink) ................. 3-5
3-3-3.
POWER ERR (RED 3 times blink) ................. 3-5
3-3-4.
T-CON Error (RED 5 times blink) .................. 3-6
3-3-5.
Backlight Error (RED 6 times blink) .............. 3-6
3-3-6.
Temp Error (RED 7 times blink) ..................... 3-7
3-3-7.
Audio Error (RED 8 times blink) .................... 3-7
3-3-8.
Fan Error (RED 9 times blink) ........................ 3-8
3-3-9.
Communication Error ...................................... 3-8
3-4.
Audio Problem (Flow Chart_D) ............................ 3-9
3-5.
Video Ploblem (Flow Chart_E) ........................... 3-10
4. DIAGRAMS ..................................................... 4-1
4-1.
BLOCK DIAGRAM .............................................. 4-1
4-2.
CIRCUIT BOARDS LOCATION ......................... 4-2
4-3.
SCHEMATIC DIAGRAMS AND PRINTED
WIRING BOARDS ............................................... 4-2
(1)
AE Board .......................................................... 4-3
(2)
AVC Board ..................................................... 4-12
(3)
CI Board ......................................................... 4-22
(4)
FB2 Board ...................................................... 4-25
(5)
FP Board ......................................................... 4-44
(6)
G1P2 Board .................................................... 4-47
(7)
G2P2 Board .................................................... 4-51
(8)
H1 Board ........................................................ 4-53
(9)
HW2 Board .................................................... 4-56
(10) H3 Board ........................................................ 4-61
(11) H4 Board ........................................................ 4-64
(12) TUE Board ..................................................... 4-67
(13) UB1 Board ...................................................... 4-71
4-4.
SEMICONDUCTORS ......................................... 4-77
5. EXPLODED VIEWS ........................................ 5-1
5-1.
REAR COVER ASSY AND BEZEL ASSY ......... 5-2
5-2.
ARM ASSY AND STAND ASSY ........................ 5-3
5-3.
CHASSIS-1 ............................................................ 5-4
5-4.
CHASSIS-2 ............................................................ 5-5
5-5.
CABINET ASSY ................................................... 5-6
5-6.
PACKING MATERIALS ...................................... 5-7
6. ELECTRICAL PARTS LIST ............................ 6-1
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