5 Troubleshooting
5-4
GY15MS*/GY17MS*
5-2-2 No Video [Analog]
Check signal cable and connection.
Check PC signal.
No
No
No
Does the analog video signal appear at
R118, R119, R120? (RED, GREEN, BLUE)
Yes
Check R116, R115
and related circuit.
Check PC signal.
Does the sync signal
appear at R116 and R115? (AHS, AVS)
No
Check IC201 and related circuit.
No
Yes
Does the video signal
appear at the output port?
10
11
Does the video signal appear
at the Pin 48, 47, 46, 45, 42, 41, 40, 39, 38, and 37 of
IC301?
Yes
Is Pin 4 (BLIGHT_EN) of CN302 high?
Check TFT-LCD panel and inverter.
Yes
Replace IC201.
Yes
9
8
7
6
5
Check IC201 and related circuit.
No
Does the input signal appear at Pin 103, 105, 102 and 104 of
IC201 (DHS,DVS,DEN,DCLK)?
4
3
2
1
Содержание GY15MS series
Страница 8: ...2 Product Specifications 2 4 GY15MS GY17MS Memo ...
Страница 16: ...4 Alignments and Adjustments 4 4 GY15MS GY17MS Memo ...
Страница 21: ...5 Troubleshooting GY15MS GY17MS 5 5 WAVEFORMS 1 2 3 4 5 6 7 8 9 10 11 ...
Страница 22: ...Memo 5 Troubleshooting 5 6 GY15MS GY17MS ...
Страница 24: ...6 Exploded View Parts List 6 2 GY15MS GY17MS 6 2 GY17MS ...
Страница 42: ...Memo 7 Electrical Parts List 7 18 GY15MS GY17MS ...
Страница 43: ...GY15MS GY17MS 8 1 8 Block Diagram 8 1 GY15MS ...
Страница 44: ...8 Block Diagrams 8 2 GY15MS GY17MS 8 2 GY17MS ...
Страница 54: ...11 Schematic Diagrams 11 6 GY15MS GY17MS CONFIDENTIAL Memo ...