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Excellent manual. Helped me out with disassembling and troubleshooting my projector.
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thanks you are the best.Very good detail, Quick service response. A useful service manual with all details.
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Great service!!! Polecam gorąco wszystkim zainteresowanym
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I liked the price plus it had everything i needed to service the tv.
thankyou Tim Hertz
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The manual is excellent, well detailed, and divided into two parts. Received very quickly. Thank you.
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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