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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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Old Mitsubishi big screen FIXED!!
Well after spending most of a day, pondering the schematic, changing a
few caps and a lot of thinking and probing, it seemed that I could make it verticle jitter by probing the pieces parts of the set, but not with 100% certainty. Then sliding each yoke back a little and rotating, hoping to find or eliminate any yoke leakage possibility. I called it a day and was to get a few additional caps monday. Well I moved a tv from other room as a temporary substitute for the duration of the repair. I hooked the sub up in place of the Mitzi and that is when I discovered the actual source of the problem.... The cable box!!! Have had a number of cable box problems over the years but haven't seen an intermittent vertical jitter before. I guess that after only 50 years of circuit shooting I still haven't seen it all..As Gilda used to say..."Its always something" One looses the "hand" if you don't do this every day. Many thanks for the inputs guys. |
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