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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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'89 Hitachi CU5000K RPTV
No experience with this model. Waiting for the service manual. Good
convergence and white balance in the center of the picture, horrible convergence everywhere else, wth big black bow on the bottom. Starting visual inspection for cold solder joints this week. Any suggestions, experiences while I wait for the service manual to arrive? I have a sneaky suspicion that the original fault was compounded by the owner didling with the convergence controls. TIA Dennis |
#2
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'89 Hitachi CU5000K RPTV
Vertical mounted boards on metal frame at rear of set or CTC130 based RCA
chassis? Both will have large numbers of high ESR capacitors causing the problems described. David Deke wrote in message t... No experience with this model. Waiting for the service manual. Good convergence and white balance in the center of the picture, horrible convergence everywhere else, wth big black bow on the bottom. Starting visual inspection for cold solder joints this week. Any suggestions, experiences while I wait for the service manual to arrive? I have a sneaky suspicion that the original fault was compounded by the owner didling with the convergence controls. TIA Dennis |
#3
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'89 Hitachi CU5000K RPTV
Havent got the back off yet, since I got absolutely nothing done today, due
to the fact that I hit a deer this morning, and spent the day doing other auto/insurance/hair-pulling stuff. But thanks for your quick response. I'll return to this thread when my blood pressure goes down. Dennis "David" wrote in message ... Vertical mounted boards on metal frame at rear of set or CTC130 based RCA chassis? Both will have large numbers of high ESR capacitors causing the problems described. David Deke wrote in message t... No experience with this model. Waiting for the service manual. Good convergence and white balance in the center of the picture, horrible convergence everywhere else, wth big black bow on the bottom. Starting visual inspection for cold solder joints this week. Any suggestions, experiences while I wait for the service manual to arrive? I have a sneaky suspicion that the original fault was compounded by the owner didling with the convergence controls. TIA Dennis |
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