GY15MS*/GY17MS*
5-1
5-1 Troubleshooting (GY15MS*)
Notes:
1. Before troubleshooting, setup the PC’s display as below.
• Resolution: 1024 x 768
• H-frequency: 61 kHz
• V-frequency: 75 Hz
2. If no picture appears, make sure the power cord is correctly connected.
3. Check the following circuits.
• No raster appears: Stand PCB, Main PCB
• 14V develop but no screen: Main PCB
• 14V does not develop: Main PCB
4. If you push and hold the Exit for more than 5 seconds, the monitor automatically turns back
to the factory preset.
5-1-1 No Power
Does proper DC 14V
appear at DC jack and
Pin 1 of CN201?
Check signal cable and
power adaptor and CN201.
Yes
No
Does proper DC 5V, DC 3.3V
appear at Pin 2 of IC201,
and Pin 3 of IC202?
Check IC201, IC202
and related circuit.
Yes
No
Does proper DC 1.8V
appear at Pin 4 of IC204?
Check IC204
and related circuit.
Check IC402.
Yes
No
Yes
Does proper 5.0V
appear at Pin 5, 6 of IC401 and
Pin 7, 8 of IC401? (DC 3.3V (DPMS_ON
Pin 2 and 4 (OFF_SW) of IC401
must be low level)
Check IC401, IC114
and related circuit.
No
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 ...