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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-32XBR95S,horizontal light bands
My sony XBR is quite old (92 vintage) but still love the great picture.
Recently it developed the problem of horizontal bands of light and dark across the entire screen which only appear in light scenes. If the picture is dark, there are no bands and the intensity or how visible the bands are is in direct proportion to how bright the picture is. It appears that the bands are a distortion in the vertical sync. Thought it could be a power supply related problem because of the sensitivity to brightness level. I do have the service manual for the TV. Any suggestions on where to start looking would be greatly appreciated. Thanks in advance, Dan |
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