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Great Job!!! clear and efficient as always!!
it is really nice to have peple that are doing such a good work!!!!!
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I must admit, I was very skeptical... $4.99 for a 74 page service manual. I've seen some very poorly scanned manuals on the Internet, but this one is VERY good quality! Even when zooming into 500%. Great Deal!
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Very good detail, Quick service response. A useful service manual with all details. I recomend this service.
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As Always you can find here manuals even of difficult TV scheme which are scan in almost perfect way.clear and fast!!!!!
Great work thanks!
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Incredibly clear!!!! Well done, complete and wonderful. It could not better than this!!!!
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? Yes Does proper DC 5V, DC 3.3V appear at Pin 2 of IC201, and Pin 3 of IC202? Yes Does proper DC 1.8V appear at Pin 4 of IC204? 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) Yes Check IC402. No No Check IC204 and related circuit. No Check IC201, IC202 and related circuit. No Check signal cable and power adaptor and CN201.
Check IC401, IC114 and related circuit.
GY15MS*/GY17MS*
5-1
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