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How to repair my Onkyo TX NR525 which is getting dead time and again

I bought Onkyo TX NR 525 receiver 3 months back from USA and took that to India. After few day all on a sudden it went off while I was watching a movie in a medium volume. I noticed it gets relatively very hot, I have Yamaha RX V795 which does not get so hot in comparison to Onkyo NR 525. There is no service center of Onkyo at India, so I had to send that to Singapore Onkyo service center for repair and got that back after a month. Today again same problem, it went off and dead, it is making repeated "click" kind of sound from inside the receiver. Can someone help me how to solve the problem, or give me a service manual of Onkyo NR 525. It is time consuming and costly for me to send it again to Singapore and repair. Thanks

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 2427 Answers

SOURCE: receiver shuts off at times

Those recivers are usually preety good oones with little to no problems. Its just when it gets a certin age it extends its life. You can take it in to a technician to have it serviced, mostly you have cracked solders on the board which will accout for the problems you are having. there might be a few things that need changing but basically your recuver is good it just needs servicing thats all.
Or if you prefer you could get a new one.. BUT YOU CAN JUST HAVE THE CURRENT ONE YOU GOT SERVICED..

a service wil include
re-soldering cracked or loose solders on the board
changing a couple of stuff, maybe capicators or resistors and unlikely an ic.
dusting it

So just take it in to a technician for a service cause its reached it life span ,,

Posted on Jan 05, 2008

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SOURCE: Onkyo TX-SR702 keeps going into speaker setup mode

Los amplificadores de audio del aparato estan a punto de danarse,checa las bocinas una por una a ver si no hay alguna mala.

Posted on Apr 14, 2008

  • 151 Answers

SOURCE: Yamaha RX-V800 - No audio on left and right channels

make sure the (a) speakers are switched on,this may be a switch on the front panel or in the main set up menu.

hope this helps.

cable guy.

Posted on Jun 04, 2008

VOTIT
  • 2071 Answers

SOURCE: JVC A/V Receiver RX 7042S - DSP NG

it seems the problem of your unit is in the power amplifier section,the IC chip there is defected that why only analog source .you better bring back to them the unit it is the only option, that is there back job...

Posted on Jul 03, 2008

artiedc
  • 35 Answers

SOURCE: 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:

1.
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.

Ed

Posted on Apr 09, 2009

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