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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Sanyo with no vertical deflection
I have a sanyo model ds27800 that has no vertical
deflection. When I turned it on it popped and then had a straight line across the screen. Was wondering if any one had experienced the same problem and if so could guide me to the cause.. I have no schematic on this set and there is no obvious cause to the problem from a close examination. o |
#2
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L. Kotney:
You will need to do an even "closer examination".... ...... faulty parts many times will not look obviously bad.... dust off your multi-meter and do some troubleshooting and testing..... verify that the flyback derived B+ is making it to the vertical deflection output circuitry. Problem could be a bad output device, shorted electrolytics, open resistors, shorted diodes, faulty or cracked solder connections, etc. -- Best Regards, Daniel Sofie Electronics Supply & Repair - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "L. Kotney" wrote in message this set and there is no obvious cause to the problem from a close examination. o |
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