Question about Pioneer SD-P62A5-K TV

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T.V powers off

My T.V will suddenly turn off. The volume gets really loud and it just shuts off and we have to keep turning the main power on and off until it decides to stay on again. It gets quite frustrating trying to watch TV at night. Do you know what would be causing it to do this? It seems to us there there is a short or a loose wire or something that may be causing it.

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If that is a short for sure it will shut off permanently. probably a loose connection(cold solder). have it inspect physically and resolder if possible. good luck!

Posted on Feb 13, 2007


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Posted on Jan 02, 2017


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Check any speaker cables, make certain they have not been damaged in the move, or are touching. Especially any individual cables at the connection points, on both speakers and amp. If any wire even cross connects it could damage the main power amp. If it has already done so you will never get it to come out of protect, till the power amp output device(s) are replaced.

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The power keeps shutting off when I turn the volume up.

check the nomimal ohms or impendance of the speakers if it matches the amp capability. Your amp manual should specify the compatibility of what speakers ideal to whether it's 4 to 8 ohms.

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Onkyo TX-SR705 shuts down suddenly

Onkyo receivers have a safety circuit in them to protect the Amplifier from blowing up:

If you listen closely when it shuts down ( after a loud scene ) there is likely a loud 'Relay Click'..
If this is what is happening you might be able to verify it by turning the volume all the way 'off' and waiting for the circuit ro reset ( releasing the safety relays & returning power to the internal Amplifier ) : you should hear another click, yhen you can bring the volume back up carefully and there will be sound again.

This safety circuit trips when then Onkyo receiver detects an 'Over Current' condition on the
' Power Supply ' that feeds the internal 'Audio Amplifier'..

Generally caused by:

Improper load presented to the Amp outputs ( FL, LR, RL, RR, SUB, CENTER )
If you can ( one at a time ) turn off the SUB, Center, Fronts and Rears: trying to re-create the failure each time while you have one part of your system disabled or having their level turned way down..
You can isolate where the problem is coming from.

- any or all of these speakers being the wrong Impedence ( I.E. 4 Ohms instead of 8 Ohms )
Unless the receiver manual or the sticker near the 'speaker connetor' specifies a range or another value, you should assume 8 Ohms. Your speakers should say on the back of them.

- any of the speakers being connected in parallel ( 2 speakers to a single one speaker output ) .. Two 8 Ohm speakers connected in parallel make a 4 Ohm load to the amplifier.

- If the Suwoofer is Passive ( Not having its own power cord and amplifer ) it has a
Passive Crossover : this crossover can have its own power rating or limitation.. If it is constructed with capacitors that have too low of a working voltage, then they can saturate and the crossover itself can present a load to the amplifier that will case this 'Over Current Shut-Down'..

You user manual should detail this.


Apr 09, 2009 | Onkyo TX-SR803 Receiver

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JVC Car stereo with cd shuts off when volume is turned up

Hi Ithink , you are trying to push too much power to your speaker setup. Your cd, tuner, player, is only go as loud as the volume at half way setting. Your speakers are , probally good ones that want more power, and making your player overheat and making circut protection cut power. I would say, you should use it at 15, and that is as loud as it should be played to aviod distortion and overheating.
I'm guessing max is like 25 or 30, Is that so? You can listen to louder tunes by installing an amplifier. Or if you have an amp in your system it may be overheating, I would really like you to let me know if you have been trying use it at volume higher than half the maxium volume setting, so I know I helped, and you can start looking into power amp's. You can crank it up for good parts, but most players were not made to send alot of juice to good big speakers at high volume level.
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Loud fans and Shutting down

This Could be a System Processer failure...
Try to Remove everything from the PC, Including Battery or Power surge f you have connected in between te Power socket & PC.
then Try to turn it on.
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Onkyo TX-SR805

When you turn up the volume, the amp works harder and generates more heat. There is a small transistor attached to the heat sink that detects the excessive heat and shuts down the amp before there is damage. There is a circuit inside that should detect the increased volume and turn on the fans. Either this detection circuit is defective or the fan driver transistor is defective. This unit may need to see a servicer. In the meantime, you can provide additional air flow to keep the heatsinks working efficiently. Realize that this is a short term "fix" and you should really get this repaired ASAP to prevent permanent damage to the amp components.

Mar 23, 2008 | Audio Players & Recorders

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RCA Wireless headphone triggers off after 35 seconds of operation

ya the volume of your source is your issue.
if it is too low, the unit cuts out after 45 seconds or so...
crank up the volume and turn it down on your headset

Mar 16, 2008 | RCA WHP140 Consumer Headphones

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Panasonic SA-AK57 problem

This sounds like a power disconnection problem.
you have a large amount of components, on the motherboard that charge up with being used. ( namely fets/capacitors et,c ) when your system is powering off the instant disconnection of mains power, can cause a Bang or Pop to the speakers.
I,d suggest trying swapping the speakers over from right to left and vice versa. see if the errors still there.
Also try turning the volume right the way down, before switching off. is the bang quieter ?
Check the mains cable ( plug end ) see if theres a broken or loose wire at the plu ( causing an arc ) finally check that the plug ( cable grip ) plastic tang that holds the cable, has,nt been overtightened and damaged the cable underneath it.
I hope any of this helps you to a self diagnostic rectification of the problem listed. Also try without speakers is a suggestion.
Mike @ Compurepair.

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1 Answer

JVC Surround Sound System

The click will be a relay to protect the main amp overloading. In many ways you are driving the amp to hard, unless there is a fault on the main amp which means it can't take the full load that it should handle. One cause of this for example would be a speaker that is either the wrong ohms, or of a lower wattage than what the amp can put out. Or in some cases a faulty speaker, or if the wiring is not good shorts when the speaker shakes when a very loud noise comes from it.
Things to check:
1 That no speaker is lower ohms than the amp.
2 That no speaker is lower in watts (RMS) than the amps total output for that channel it is on. Remember not all surround amps have the same volume on each channel.
It is of course possible to use smaller wattage speakers. But if you have an amp that can output say 200w. Connecting an 80w speaker to it would really limit the amount the volume control could be raised to.
3 Each speaker is working right. Plus all connections are neat with NO possibility of shorting.

If all of these are good then you have a fault on the main power amp. Probably one or more of the output device(s)

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