Question about Onkyo TX-SR501 Receiver

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My stand by light flashes on my onkyo tx-sr501

When i hit the power button on the receiver it comes on for a second then shuts back off ! then the stand by light flashes

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  • 108 Answers

Check output transistors for short, change emitter resistors

Posted on Apr 03, 2014

  • Tim A
    Tim A Oct 05, 2014

    How do I tell which ones are the output transistors and emitter resistors?

  • Tim A
    Tim A Oct 05, 2014

    I can see 5 transistors in the Master Vol and OPAmp area. Are these the ones?

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Posted on Jan 02, 2017

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SOURCE: Onkyo AV Receiver TX-SR503 While sleeping

HI,

Did you try reseting it?There must be a reset button at the back of your reciever.

Posted on Jul 03, 2008

thaurfen
  • 623 Answers

SOURCE: Onkyo just shuts off...

check for blown fuses

Posted on Aug 15, 2008

  • 4234 Answers

SOURCE: receiver does not power on. standby not on either

The standby light should be on. If it is not, then check the main fuse. WIth the unit unplugged, remmove hte top cover and check the fuse by the line cord. If that is ok, then you will need to check the primary winding on the standby transformer. That transformer has a thermal fuse internally located and that sometimes gets blown due to a power surge. If you do not have the equipment to test this, get a detailed estimate from a local servicer. The standby transformer usually costs arounf $25 or so.

Dan

Posted on Apr 26, 2009

dunnbiker
  • 8546 Answers

SOURCE: I have an Onkyo TX-SR501 and have purchaed the

Aux is just a generic label for any unassigned high-level (non-Phono) input. They're all electrically the same as the 'labeled' inputs.

Use any of the following instead (whatever is available and convenient): CD; Tape 1 In; Video 2; Video 1 In - then selct the appropriate function to hear the program.

Posted on Dec 07, 2009

smarthome2
  • 1114 Answers

SOURCE: I turn my Onkyo TX-SR600 receiver on. After a few

The most common problem found on FixYa for Audio Video2_bing.gif Receiver's is:

My receiver say's "Protect" or turns on then off. What's wrong? Seven times out of ten it is a shorted speaker or speaker wire2_bing.gif. To determine your exact problem, the first step is to disconnect all speaker wires "at your receiver" Next: Turn the receiver back on. If your receiver still says "protect" or turns off, it needs to be serviced. If your receiver stays on; reconnect your speakers one at a time and power back up after each speaker. You may find that after reconnecting all speaker wires it works! Most commonly the small braids of wire from the + to the - have touched and have caused the problem. In some instances, you noticed the problem only when turning the volume up. either way, make sure the exposed wires to your receiver are no longer than 1/2" long and are completely under the screw down terminal or slide in. When you've found the wire or speaker with the problem, your receiver will go back into "protect" At this point, disconnect the wire from the speaker at the speaker that may be causing the problem then test again.* Note* Make sure speaker wires do Not touch each other as this Will cause a short! If you turn the receiver back on and it stays on, you now know the problem is in your speaker itself. To test your speaker, you will need a multimeter. Set it to ohms resistance and touch the speaker terminals, if there is a short internally the meter will read "1......" If it's an analog meter, it will peg to the right. There's your problem. Now, within any speaker there are quite a few possibilities as to what could be causing the problem. Most common is a blown coil and the speaker needs to be replaced. Some speakers have internal crossovers (usually floor standing speakers2_bing.gif) and may have a shorted or burnt board (usually very visible brown burn marks on the board) and can possibly be repaired if your handy with a soldering iron. Now, if you disconnect the speaker wire at the speaker and it still says "protect" Check your wire for the obvious cut or nail thru the wire if possible. If your system has wiring that runs behind walls, you may need to use your meter again. Disconnect the wire at both ends, keep the ends separated, put your meter on ohms resistance and touch probes to the + and - wires at one side. If the meter pegs to the right or reads "1...." the wire is shorted and needs to be replaced or repaired at the short. Hope this helps.

Posted on Apr 11, 2010

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Try factory reset: while holding the(CD) button on front panel,press (POWER) button.
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Might be over heating. Make sure you don't have anything sitting directly on top of it. I even put a little fan blowing outward at the back of my system to keep it cool.

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1 Answer

Receiver does not power on. standby not on either. receiver is the onkyo tx-sr501


The standby light should be on. If it is not, then check the main fuse. WIth the unit unplugged, remmove hte top cover and check the fuse by the line cord. If that is ok, then you will need to check the primary winding on the standby transformer. That transformer has a thermal fuse internally located and that sometimes gets blown due to a power surge. If you do not have the equipment to test this, get a detailed estimate from a local servicer. The standby transformer usually costs arounf $25 or so.

Dan

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if these don't work possible that the light of the display has blown.

good luck

smeags.

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