My receiver will just shut off after being on for awhile and usually if the unit is turned up to 50 or somewhere around there. Everytime you turn it back on, it will jus turn itself back off. It only turns back on for ahwile if you let it rest for a couple of hours. Is this an overheating issue? If so how can you install a cooling fan in the unit.
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Right. This means that either you have a short in your speaker cable somewhere or the short-detector circuitry inside has problems. Disconnect all speaker cables and turn the receiver on. If the symptom goes away, turn the receiver off again and connect one of the speaker wires. Repeat until it starts to go into protect again. When it does, the last speaker you hooked up has a short somewhere in the wire.
If protect always comes on, you'll need to get the unit serviced.
Get rid of this TV. Had one and replaced the bulb and light engine many times. Just buy a Samsung or Vizio 50+ inch instead and be very happy. Those Panasonic projection TV's were terrible. You will find a 50 inch Vizio for around $500 bucks and it will blow your mind how great the picture looks.
It seems that your unit has some sort of PSU fault, or a problem that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur. The faulty component(s) are heating up, tripping the fault control, and shutting down, it cools down again,and will restart, then the process repeats, it will eventually fail fully.
You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done. It is that sound that gives it away, this is a typical switchmode Power Supply problem.
Aside from any intrinsic problem with your receiver, the usual suspects are;
1) Poor receiver ventilation.
2) Very high levels of bass.
3) Shorts in the speaker wiring.
4) A rubbing loudspeaker voice coil.
Your receiver has short circuit somewhere. The protection circuit shut off the unit to prevent more damage. You can try to disconnect all speakers. If there is not improvement, you need to send your receiver to repair.
Mine will always just turn off every minute or so after a hard shut down(ex: power outtage). I have to turn it back on and then hold the set button for a few seconds, then it stays on, until i turn it off manually, since the remote won't turn it off.
I have the same problem... I read that it can be a capacitor issue, they are on backwards. I just dropped mine off with the repair guy today... Does anyone know of a fix? Mine first had an electrical zap, then smoked, now CHCK SPEAKERS then off, and on standby...