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I will highly recommend this seller. They are honest, accurate, fast and responsible.
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This manual was very good & was very helpful with repairs.
Always great & fast service from Owner's manual.
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Very pleased with the quality of the scan. No complaints whatsoever.
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I Recently purchased yet another Service Manual from Owner-Manuals.com, this time for a Sony EVS700ES/UB Videocassette Recorder. The Manual was available for upload within two hours and is an Extremely Good copy, as some of this I was able to enlarge to get even better detail.
Once Again, Very happy with the result!
4 Troubleshooting
4-6 No Sound
Does the DC 5 V appear at Pin 4 of IC803, Pin 5 of CN806? Yes Does the sound input signal appear at Pins 6 and 11 of IC803? Yes Do the sound signals appear at Pins 3 and 14 of IC803? Yes Does the DC 2.5 V bias appear at Pin 16 of IC503? Yes Check CN814, CN815 outputs.
No
Check IC803, IC804, VR841 and related circuit.
No
Check Pins 1 and 2 of CN806 and related circuits.
No
Check IC803 and related circuits.
No
Check C815, CN813, R821, R822, ZD803 on the Audio PCB.
SyncMaster 570BTFT/580BTFT
4-5
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