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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 chippercheck question
I got mine a while back and have had good luck with it except on a CTC187 a
couple days ago. It had a corrupted eprom, (set had HV, no raster or sound, could not be turned off). Reinitializing eprom resulted in a dead set, (no HV). Eprom check said no errors eprom good. Uploading a file from another 187 made set work, downloading this problem 187 eprom and uploading to a new eprom resulted in a dead set. Eprom data is still corrupted, and reinitialize does not correct it. Is this a common thing or just an isolated case? Set works good after uploading the other 187 file and alignment, but I was hoping to avoid doing the TAG alignment if at all possible by using the chippercheck. Didn't work on this one. |
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