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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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Horizontal sync problem?
Hi all, I'm way out of my depth here and hoping for some advice on a
couple of fronts. I have a Magnavox TS2560-B101 that my brother gave me when he bought a big screen TV. I'm not sure how old it is, but I've had it a year or two and worked just fine until tonight. Problem is, I don't have the manual and I can't find one online. So my first problem: where on earth is that little plastic door you open to fool with the settings like vertical hold and things like that? The remote on this includes settings like brightness, but no vertical or horizontal hold. Do these things not exist anymore? Second: The TV just went screwy tonight, and in reading online and doing a search of this ng, I'm pretty sure it's the horizontal sync. It starts getting this blob that moves from left to right, and then the whole screen is diagonal and broken up. I checked a repair faq online and it had some pictures, and my problem seems to be the horizontal sync. It does it immediately when I start the tv, then sometimes clears for a bit, then back and forth. This just happened an hour or two ago, so I can't really tell you if it only happens when the set is cold and so on. It seems very random so far. I actually thought it was the cable at first, because I could turn on the VCR and it didn't do it. While I was on hold with cable to report the problem, I had a tape in for testing, and then it happened on the tape as well. But it doesn't seem to be as prevalent on tape as it does live tv if that makes sense. In reading online, I read something about turning up the brightness, and that did seem to help (though the breakup still happened eventually and then went back to okay). So, as a temporary measure until I can get a repairman here, I'd like to find the control for horizontal hold and fiddle with that to see if I can fix it. Then, I need to call a repairman, and I'm new in town so don't know anybody. Should I just call someone out of the phone book? Any tips on not getting ripped off? (I have had some very negative experiences with repairmen who realized I know nothing about appliances or home repairs. I *know* there are decent repair guys out there...just how to find one and kind of bluff that I know what's going on. Otherwise I end up with a new picture tube.) Thanks for listening and any advice you can give. This was totally out of the blue and unexpected. Ruby |
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