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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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Sony TV KV-M1401U Picture Problem
I have this TV and for few months it has started given me problem.
When I switch it on I get a horizontal line with sound. If I lift or press the corner of the circuit board a little bit, the full picture with sound appears. The picture is more stable when I lift the corner at the scart side rather than pressing it. If I leave it at that, the picture remains but unstable. Even walking on the carpet makes it unstable. I took out the Tuner and I did not find any dry or crack solder joints even with 3.5 X Loop. I have examined the board under the light with the same magnification and re soldered many joints which I thought suspicious. Still the symptom persist. I would like to know if anyone knows a specific cause and cure of it. Thanks. |
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