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| Expert | Average Ratings | Expertise |
|---|---|---|
Rick MontgomeryU.S.
Available
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Most questions about 1970's-1980's audio equipment. Most 1980's -1990's VCR's and VCR combo's. Most 1980's-1990's car audio, except original equipment. I know name brand after-market such as Kenwood, Pioneer, JVC, and some Sony. I am not so good with TV's, DVD's or camcorders. I do not work on Projection TV sets at all. I also have no access to documebntation for sets outside of the United States. | |
Allan WainwrightU.S.
Maxed Out
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I have over 22 years of experience repairing and training technicians on how to repair TV’s, working on the phone all day with techs all over the world. I specialize in home service of Projection, DLP, LCD and plasma televisions. I can fix most issues right on the spot and I am very good at answering questions and troubleshooting on MOST makes and models. IF YOU ARE IN ORANGE PARK,FL OR JACKSONVILLE,GREENCOVE. THEN I CAN FIX YOUR TV IN YOUR HOME. CALL ME AT TV REPAIR, BIG SCREEN TV REPAIR, IN HOME SERVICE www.tvdoctor.us | |
cleggsanU.S.
Maxed Out
|
Consumer Electronics of all kinds. Audio, esoteric audio systems and components, video, tv. Digital equipment for consumer use. Ham radio and automotive electronics. Note: I give advice on tv repair based on general consumer electronics engineering experience but I am not engaged in actual repair of sets. MAKE SURE YOU GIVE THE MAKE AND MODEL NUMBER AND AGE OF THE SET. |
It depends on the pattern of the picture defects. If you could describe what goes on exactly and the way it varies from turn on to turn off and if it remains constant, fluctuates, etc. and what happens
It is more likely to be the convergence circuit that has gone bad. But, it requires some testing to be sure. If it is the convergence it will not require a new board but does require replacing two integrated
It will require some testing to be sure. But, I think it is a power supply failure. It will require replacement of one or two electrolytic ripple reducer capacitors. The cost of repair will be around
But, does the thumping sound stop when the volume is reduced to zero? IF NO: The problem may be what is called "motorboating" and is mostly caused by an instability from the power supply that is feeding
Mike, This will either be a picture tube or a picture tube drive circuit. It will require component level testing, voltage checks and a CRT tester. Do you have technical skills? Tools and test equipment?

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