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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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Intermittent "half-off" older GE TV
The victim: An older GE television. Model No. 17PF5652, service no.
17PF5652HA03, Chassis No. BC-A. Made September 1985. The symptoms: Picture and sound vanish. The remote still generates a response (the displayed channel number goes up and down and it turns on and off) as do the front-panel buttons. Problem has occured several times. In at least one occurence, there was a substantial reception loss (looked like no horizontal hold possibly) just prior to the failure (rabbit ears for reception) The problem seems to cure after a few minutes, as it powers back up fine afterwards. Set works fine all other times. Notes: It seems the picture-adjust dials may be loose, as the brightness occasionally gives out substantially until you wiggle the knob Possible influence? Probably not? Suggestions would be appreciated. I'm a computer-science type person, but if I could save the replacement cost of a set, it would be nice. -- Marada Coeurfuege Shra'drakaii Kucinich for President! Bush will steal the election anyway, so why not have fun in the primary? Mail hint: Not in Russia |
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Intermittent "half-off" older GE TV
"Marada C. Shradrakaii" wrote in message ... The victim: An older GE television. Model No. 17PF5652, service no. 17PF5652HA03, Chassis No. BC-A. Made September 1985. The symptoms: Picture and sound vanish. The remote still generates a response (the displayed channel number goes up and down and it turns on and off) as do the front-panel buttons. Problem has occured several times. In at least one occurence, there was a substantial reception loss (looked like no horizontal hold possibly) just prior to the failure (rabbit ears for reception) The problem seems to cure after a few minutes, as it powers back up fine afterwards. Set works fine all other times. Notes: It seems the picture-adjust dials may be loose, as the brightness occasionally gives out substantially until you wiggle the knob Possible influence? Probably not? Suggestions would be appreciated. I'm a computer-science type person, but if I could save the replacement cost of a set, it would be nice. -- I would check the soldering around the flyback transformer and the rest of the horizontal stage first. |
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