5 Troubleshooting
5-2
GY15MS*/GY17MS*
5-1-2 No Video [Analog]
Check signal cable and connection.
Check PC signal.
No
No
No
Does the analog video signal appear at
R107, R108, R109? (RED, GREEN, BLUE)
Yes
Check R104, R103
and related circuit.
Check PC signal.
Does the sync signal
appear at R104 and R103? (AHS, AVS)
No
Check IC402 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
IC302?
Yes
Is Pin 4 (BLIGHT_EN) of CN102 high?
Check TFT-LCD panel and inverter.
Yes
Replace IC402.
Yes
9
8
7
6
5
Check IC402 and related circuit.
No
Does the input signal appear at Pin 103, 105, 102 and 104 of
IC402 (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 ...