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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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#1
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Most likely the power supply, and scan circuits are damaged. This will
involve a number of parts to be changed. This type of repair can be expensive. -- Jerry G. ========================== "Tofer" wrote in message ... Hiya everyone, I have an interesting one for all of you. My wife does improv comedy at a local bar in my area. In one of her conversations with the owner, she mentioned that I was "into" eletronics. He asked her if she would have me look at two of his televisions that aren't working. Generally I shy away from "favors" such as this. But, when she told me the story of what happened to the TV's I got curious. Apparently he plugged in the sets on a wall circuit that is on a dimmer for the overhead lights. Needless to say, the TV's didn't like that very much when the lights were dimmed. They both now give that neat "click click click" when turned on. Now I do work on electronics, but computer based for the most part. Monitors are very close to televisions and that clicking usually means the MOSFET is not firing the flyback. Would this be the same for these televisions? The sets are both Sharp 25K-M100. Any info (or "witty jibes" at plugging in two TV's on a dimmer circuit) would be appreciated. Take care, Tofer |
#2
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The owner had a "certified" electrician install several light racks to
illuminate some new pictures he had put on the wall. From what I can tell, this bozo electrician found the nearest circuit and tapped into it. Naturally not thinking far enough ahead to check for outlets and other devices on that circuit. The dimmer was put in just a few feet off the main. Basicly, he took an entire 50' wall and put it on one dimmer. Thanks for all the responses. I had not thought of damage to the PSU the way you described Ross. That sounds very much like the culprit. I have not physically looked at the sets yet. That I will do tomorrow sometime. However, I do agree with the FUBAR. Or as we said in the USAF, NRTS it. Mimes?? Think I will suggest to my wife that she "mime" for her next act. Then again, keeping her mouth shut is not her strongest area. Shhhhhhhh... don't tell her I said that ![]() Thanks again for the input, Cheers. Tofer "Jerry G." wrote in message ... Most likely the power supply, and scan circuits are damaged. This will involve a number of parts to be changed. This type of repair can be expensive. -- Jerry G. ========================== "Tofer" wrote in message ... Hiya everyone, I have an interesting one for all of you. My wife does improv comedy at a local bar in my area. In one of her conversations with the owner, she mentioned that I was "into" eletronics. He asked her if she would have me look at two of his televisions that aren't working. Generally I shy away from "favors" such as this. But, when she told me the story of what happened to the TV's I got curious. Apparently he plugged in the sets on a wall circuit that is on a dimmer for the overhead lights. Needless to say, the TV's didn't like that very much when the lights were dimmed. They both now give that neat "click click click" when turned on. Now I do work on electronics, but computer based for the most part. Monitors are very close to televisions and that clicking usually means the MOSFET is not firing the flyback. Would this be the same for these televisions? The sets are both Sharp 25K-M100. Any info (or "witty jibes" at plugging in two TV's on a dimmer circuit) would be appreciated. Take care, Tofer |
#3
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I know a guy who did some wiring in my neighbors house. The "electrician"
(using the term very loosely) is a couple cans shy of a 6 pack. Quite a few around here know him to have no regard to other's property. I'm still waiting for the house to go up in smoke. As far as I know, this guy is NOT a licensed electrician. The guy who did the wiring on that track, may in fact may not have been an "electrician". Those kinds of stunts give those with the knowledge and skill a bad name as many tend to lump them all together. Same for Mechanics, Electronics techs, etc....... When I "know" they aren't skilled, I don't class them with those who are. I just plain call them idiots. Wannabe's.............. Like quack doctors. NS "Tofer" wrote in message ... The owner had a "certified" electrician install several light racks to illuminate some new pictures he had put on the wall. From what I can tell, this bozo electrician found the nearest circuit and tapped into it. Naturally not thinking far enough ahead to check for outlets and other devices on that circuit. The dimmer was put in just a few feet off the main. Basicly, he took an entire 50' wall and put it on one dimmer. Thanks for all the responses. I had not thought of damage to the PSU the way you described Ross. That sounds very much like the culprit. I have not physically looked at the sets yet. That I will do tomorrow sometime. However, I do agree with the FUBAR. Or as we said in the USAF, NRTS it. Mimes?? Think I will suggest to my wife that she "mime" for her next act. Then again, keeping her mouth shut is not her strongest area. Shhhhhhhh... don't tell her I said that ![]() Thanks again for the input, Cheers. Tofer "Jerry G." wrote in message ... Most likely the power supply, and scan circuits are damaged. This will involve a number of parts to be changed. This type of repair can be expensive. -- Jerry G. ========================== "Tofer" wrote in message ... Hiya everyone, I have an interesting one for all of you. My wife does improv comedy at a local bar in my area. In one of her conversations with the owner, she mentioned that I was "into" eletronics. He asked her if she would have me look at two of his televisions that aren't working. Generally I shy away from "favors" such as this. But, when she told me the story of what happened to the TV's I got curious. Apparently he plugged in the sets on a wall circuit that is on a dimmer for the overhead lights. Needless to say, the TV's didn't like that very much when the lights were dimmed. They both now give that neat "click click click" when turned on. Now I do work on electronics, but computer based for the most part. Monitors are very close to televisions and that clicking usually means the MOSFET is not firing the flyback. Would this be the same for these televisions? The sets are both Sharp 25K-M100. Any info (or "witty jibes" at plugging in two TV's on a dimmer circuit) would be appreciated. Take care, Tofer |
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