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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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RCA Ch # ITC008
Unit came in dead, H-out transistor shorted, Removed transistor and B+ came
up to 130 V.( must be a pretty healthy power supply) Check caps and ring flyback ok, Installed a new transistor and set came on and looked good. Let it play for a few hrs and turn off for the night. Would not come on the next morning, H- out shorted again. Replaced flyback and trans, set worked good, played a few hours, I turned it on and off several times, everything work ok. sent it home. set worked Fri night , all day sat, and sat night, Would not come on sunday morning, Cust stated it was working good when she turned it off sat night. H out is shorted again., Looks like it must be shorting at turn off or something while its off, Anyone got any ideas on this one? Charlie |
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