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Simple and fast...
The diagrams are clear and legible; i have been a great help.
The site is very reliable and precise thanks.
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Very easy site. Great service and quick release for download. Manuals are of good quality.
Joop - The Netherlands
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Very good manual, in depth and complete. Only criticism is that some of the circuit diagrams are slightly blurry and hard to follow for long periods of time, but this is to be expected. Perfect for any maintenance required. Also contains the wiring diagrams of the control cable for constructing extensions.
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Received a quick response, material was exactly what it was supposed to be. The service did everything I expected it to do. would use service again.
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Detailed SONY CFD980 Service Manual at an easy to find one stop shopping. Make my radio hobby technically interesting. Thanks.
5 Troubleshooting
Notes: 1. Before troubleshooting, setup the PC�s display as below. � Resolution: 1280 x 1024 � H-frequency: 64 kHz � V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3. If you push and hold the EXIT button for more than 5 seconds, the monitor automatically turns back to the factory preset.
5-1-1 No Power
When Pin 6 of CN105 is 0V does proper DC 12V, 5V appear at Pin 1, 2 and 7 of CN105 seperately? Yes Does proper DC 5 V appear at Pin 3 of IC115? Yes Does proper DC 3.3 V appear at Pin 3 of IC112? Yes Does proper DC 2.5 V appear at Pin 2 of IC116 and IC117? No Check IC116, IC117 and related circuit. No No
�
No
Change power Adaptor.
Check IC115 and related circuit.
Check IC112 and related circuit.
� 0V means power on state.
GH17LS/GH17ES
5-1
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