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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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Channel 3 fizzed out
Hello, I am not by any stretch of the imagination an electronics whiz or
enthusiast for that matter, but I am looking for a bit of information and maybe some advice. I have an old 'Panasonic - The one up' 68cm stereo TV set, about 10 years old. It's done me pretty good over the years, not a problem. But, just lately, Channel 2 started to suddenly fizz out - meaning the picture disappears into grey fuzzies then turns blue, and the sound goes as well. Sometimes it returns to normal within seconds, other times I have to power it down and after 10 minutes or so, I switch the set back on and , presto, there it is again. Now channel 3 has fizzed out completely. I used to have my optus cable tv stb tuned in to this channel. I have tried manually tuning both channel 2 and 3 over and over and I seem to have success with channel 2 but channel 3 remains impossible to find. The optus stb is also tuned into channel 1 on the VCR. It works fine through that by viewing it on AV3. (I want to have the option of watching the optus TV without the VCR switched on so please, don't suggest I just run it this way.) I have a second TV set on the same Aerial cable and there's nothing wrong with channel two on that set when it plays up. I don't have any trouble with any of the other free-to-air channels fizzing out like this. Only channel 2 and 3. I have rung OptusTV Service and Faults and described the problem to them. They tell me I might have a problem with my TV set. I have checked all the cables and connections...no obvious problems. Whats going on? If there is a problem with the TV set, can it be fixed? and is it likely to be expensive? I realize it's difficult to diagnose the problem from what little info I have given, but has anyone got an idea of what could be wrong with my TV set? (in laymens terms if you can...hehe). Any help/advice will be greatly appreciated. Trev. |
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Channel 3 fizzed out
An intermittent problem may suggest cold solder joints in the tuner module and
possibly in other points on the main circuit board. You will want to consider hiring the services of a local trained repair professional. - Reinhart |
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