Question about RCA P52812BL 52" Rear Projection Television

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RCA HomeTheater blew fuse. Replacing fuse just results in another blown fuse.

What is my next step?

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Check for a shorted horizontal output transistor.

Posted on Jan 31, 2008


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2010 Buick Lucerne. AC does not work. Had it serviced. Blowers work. Full of freon. Fuse revealed it was blown. Replaced and blew again. Service tech tried 4-5 times and fuse blew each time.

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There are actually four fuses that are involved with the power door lock circuits on your 1996 Buick LeSabre. There is also an electronic control module, switches, and several other components that can keep your door locks from working. Replacing a blown fuse will only result in another blown fuse if the reason that the fuse blew is not properly diagnosed and repaired.

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I have a 2006 Hitachi Plasma 42HDS69 that will not turn on. When you power up the TV, the fuse blew. Replaced fuse, powered up the TV, could hear relay click in and fuse blew at the same time. Is this...

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Check wiring to be sure there are no bare wires showing or shorting out against each other or the frame of the machine. Check that drive and pump motors turn freely (with power cord unplugged).

Your problem is NOT the fuse alone. Replacing it without correcting the root cause will result in yet another blown fuse.

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Full sound not working

I had the same problem and also traced it back to two of the four 7-amp fuses were blown. I replaced the fuses, but they immediately blew again. I used higher capacity fuses (10 amp) to see how bad the problem was and those blew. Testing the problem a third time with the speakers disconnected yielded the same results.
There's an internal short in the system.
The solution? Don't buy RCA again.

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