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5 Troubleshooting
LT22A13W
5-3
CONFIDENTIAL
5-2 No Video (PC Signal)
Power indicator is green.
Yes
Replace the LCD_Panel with new one.
Yes
No
Check CN714 and
FFC(BN41-00240A) cable.
Does the signal
appear at C491, C489,
C488, R424 and R425 of
R, G, B, H, V?
Yes
No
IC350 is bad.
Change main PCB assy.
(BN94-00397A)
R354 is bad.
Change main PCB assy.
(BN94-00397A)
Check is X201.
IC200 is bad.
Change main PCB assy.
(BN94-00397A)
RA301~RA306 are bad.
Change main PCB assy.
(BN94-00397A)
Does the signal appear at
IC956 ~ IC961?
Yes
No
Does the signal
appear at R354?
Yes
No
Does the clock pulse
appear at X201?
Yes
No
Does the signal appear at
RA301~RA306?
Yes
No
Power indicator is green.
Does the signal
appear at CN924?
2-1
2-3
2-2
2-4
2-5
2-6
2-7
2-8
2-9
2-10
Содержание LT22A13W
Страница 11: ...Memo 2 Product Specifications 2 8 LT22A13W CONFIDENTIAL ...
Страница 16: ...4 Alignments and Adjustments LT22A13W 4 3 CONFIDENTIAL ...
Страница 17: ...Memo 4 Alignments and Adjustments 4 4 LT22A13W CONFIDENTIAL ...
Страница 19: ...5 Troubleshooting 5 2 LT22A13W CONFIDENTIAL WAVEFORMS 1 8 1 9 1 10 1 2 1 3 1 4 1 1 1 5 1 6 1 7 ...
Страница 21: ...5 Troubleshooting 5 4 LT22A13W CONFIDENTIAL WAVEFORMS 2 1 2 2 2 4 2 5 2 10 2 9 2 7 2 8 2 6 2 3 ...
Страница 27: ...5 Troubleshooting 5 10 LT22A13W CONFIDENTIAL WAVEFORMS 5 1 5 2 5 3 ...
Страница 28: ...CONFIDENTIAL LT22A13W 6 1 6 Exploded View and Parts List ...
Страница 29: ...Memo 6 Exploded View Parts List 6 2 LT22A13W CONFIDENTIAL ...
Страница 83: ...8 Block Diagram 8 1 Block Diagram LTM225W 8 1 CONFIDENTIAL ...
Страница 84: ...8 Block Diagrams 8 2 LTM225W CONFIDENTIAL 8 2 Power Stage Block Diagram ...
Страница 88: ...10 Schematic Diagrams 10 2 LT22A13W CONFIDENTIAL 2 1 2 2 2 3 2 4 2 5 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 ...
Страница 92: ...10 Schematic Diagrams 10 6 LT22A13W CONFIDENTIAL 1 1 1 2 1 3 1 4 1 5 1 6 1 7 5 2 5 3 1 8 1 9 1 10 ...
Страница 94: ...10 Schematic Diagrams 10 8 LT22A13W CONFIDENTIAL 2 6 2 7 3 1 3 2 4 10 4 11 3 3 5 1 3 4 ...
Страница 96: ...10 Schematic Diagrams 10 10 LT22A13W CONFIDENTIAL Memo ...