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On switch on normal lights come on then instantly turn off. That's it try again same thing happens. I have tried another power supply - same result!

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Posted on Nov 16, 2009

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Xbox pack light is red not orange


Hi there, This can be a result of a few things that have happened. There may have been a power surge and your power supply switched to safety mode to prevent damage to your xbox. It also might just have overheated, in which case just let it cool down in a well ventilated area for a couple of hrs and try it again. You can also try just plugging into a different power source like a mains supply instead of extension lead if you had it plugged into one. If using a different mains or cooling down don't work then I'm afraid you will need to replace your power supply. Hope this helps

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RCA 5.1 surround sound system, The system was working fine until one day it decided not to power on. The light turns on when you plug it in, but when you press the power button it doesn't turn on.


power supply problem.
you mean, stand by ok.not power up right.?
ok it can be happen something wrong with its power supply ,standby circuit,system control cct problem, or loose connection on the printed board and loose connection on the connector in the pcb can happen.
some times it can be the power on off switch. anyway open the cower and clean it with compressed air or clean it with small brush then try to turn on again and please comeback with result.

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it's a power failure.try to replace the regulator in power supply board.

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Try reseating the CPU and also try another power supply. If it still does the same thing then your motherboard would definitely be bad at that point.

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Either the laptop has gone bad or the power supply has gone bad. You could buy a universal power supply at Best Buy, test your unit and then return the power supply. Not very moral thing to do but it will tell you if its the supply or the laptop. If it is the supply then you'll have a spare.

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1 Answer

Power issue, clicking noise, turns off


The clicking is the power on relay closing and opening. This happens because the TV has several built in safety systems that will detect and over voltage and over current load situation.The power supply starts up for an instant, senses and overload of either or both kinds and then the safety switches trigger a cutoff. When this happens the power supply will not start up again because another circuit called a latch keeps it disabled. By unplugging the AC cord and trying to start it again releases the latch until the failure triggers it again.
On these TVs the power supply is rarely the cause of the shutdown. Something further down inside the TV has failed. Replacing just the power supply will not fix the problem. The most common reason there would be an overload would be in the high voltage circuit that lights up the 3 CRTs, next would be the coils around the CRTs that bend the beams to make the picture. This is normal circuit aging and wearing out. Unless you are very skilled with trouble shooting TVs I would recommend having a service center look at it. An authorized JVC shop would be your best choice because they will have access to the manuals and bulletins and have probably had other similar JVC units thru their shops.

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Won't power on....


I think I have the same problem, If I don't use it for a couple of days, then try to turn it on, nothing. I turn it off, and on one more time, it works. WEIRD

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