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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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RCA 36" TV blows fuses
I have a 36" RCA TV (Model F35673MB) that has not been working for
some time now. It started when the TV just turned off one day and we couldn't get it to come back on. We took it to a local repair shop and when we got it back, he said that they fixed the problem and had had the set running for a day with no problems. We got it home and plugged it in and it went off within 15 minutes. We took it back and told the repairman what had happened and he fixed it again. We picked it up and he said it tested out fine after the repair and the same thing happened, off after about 15 minutes. We weren't in dire need of it at the time and we were pretty tired of lugging this behmoth back and forth, so we gave up on it. A few days ago I decided to look into fixing it myself as a project. I opened the back of the tv up and found out the fuse at the power supply was blown. I picked up a package of 5 amp 125 volt fast acting fuses and put one in. I plugged up the tv and blew it right away. Same thing with two more fuses. Does anyone have any ideas on how I might go about troubleshooting this? |
#2
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RCA 36" TV blows fuses
Chopper is S/C plus plus.
kip -- "Watch the return E-Mail addy its false" "David G." wrote in message om... I have a 36" RCA TV (Model F35673MB) that has not been working for some time now. It started when the TV just turned off one day and we couldn't get it to come back on. We took it to a local repair shop and when we got it back, he said that they fixed the problem and had had the set running for a day with no problems. We got it home and plugged it in and it went off within 15 minutes. We took it back and told the repairman what had happened and he fixed it again. We picked it up and he said it tested out fine after the repair and the same thing happened, off after about 15 minutes. We weren't in dire need of it at the time and we were pretty tired of lugging this behmoth back and forth, so we gave up on it. A few days ago I decided to look into fixing it myself as a project. I opened the back of the tv up and found out the fuse at the power supply was blown. I picked up a package of 5 amp 125 volt fast acting fuses and put one in. I plugged up the tv and blew it right away. Same thing with two more fuses. Does anyone have any ideas on how I might go about troubleshooting this? |
#3
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RCA 36" TV blows fuses
"David G." wrote in message om... I have a 36" RCA TV (Model F35673MB) that has not been working for some time now. It started when the TV just turned off one day and we couldn't get it to come back on. We took it to a local repair shop and when we got it back, he said that they fixed the problem and had had the set running for a day with no problems. We got it home and plugged it in and it went off within 15 minutes. We took it back and told the repairman what had happened and he fixed it again. We picked it up and he said it tested out fine after the repair and the same thing happened, off after about 15 minutes. We weren't in dire need of it at the time and we were pretty tired of lugging this behmoth back and forth, so we gave up on it. A few days ago I decided to look into fixing it myself as a project. I opened the back of the tv up and found out the fuse at the power supply was blown. I picked up a package of 5 amp 125 volt fast acting fuses and put one in. I plugged up the tv and blew it right away. Same thing with two more fuses. Does anyone have any ideas on how I might go about troubleshooting this? The fact that you tried another and yet a third fuse after the first one blew right away indicates to me that you probably shouldn't be poking around inside a TV yourself, I'm guessing you lack a decent multimeter and soldering equipment, as well as basic understanding of how a switching power supply works, without which you have zero chance of fixing it. |
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