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Onkyo tx-ds747 cooling fan not running

I have a onkyo tx-ds747 and the cooling fan is not coming on. but its works fine

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5 Suggested Answers

ctf1800
  • 4402 Answers

SOURCE: Onkyo Tx-SR55

did you swap the left from speaker with the left front?
if still crackels after that them you have bad left output.

Posted on Jan 09, 2008

SOURCE: my onkyo tx ds747 is saying protect even if i dont

Hello

maybe you have defective power transistor output and this is shorted, or the problem is in the power section like shorted diode shorted capacitors or open circuit may cause this, and the STK IC if shorted you got protect warning..

Angel
Thansk...

Posted on Aug 02, 2009

hardrocko
  • 1476 Answers

SOURCE: I have an Onkyo TX-DS747 & everytime I turn

What it sounds like you are describing is the protection relay turning on then imediately turning off for the time period mentioned. That would indicate a possible short in the circuitry. Probably a capacitor that is intermittant or even a transistor about ready to fail. This is probably not something you can look for if you are not an electronic tech. Find a reputable shop and get it fixed before it quits and does more damage. Let me know how you make out.

hardrocko

Posted on Feb 03, 2010

  • 652 Answers

SOURCE: ONKYO TX-DS747 SWITCHES FROM A TO B SPEAKERS HOW

The problem could only be in the a/b switch, you may need to install a new switch.

Posted on Apr 06, 2010

  • 137 Answers

SOURCE: Onkyo TX-SR701 Digital audio port stopped working

you may want to try a factory reset by pressing and holding vcr1 button while pressing the power button. do this with the unit on. It will reset back to factory default. so any saved setting will be lost and you will have to set again to your settings.

Posted on Apr 18, 2010

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Nov 23, 2009 | Onkyo TX-DS747

1 Answer

My onkyo tx ds747 is saying protect even if i dont have anything plugged in to it! can you plz help me


Hello

maybe you have defective power transistor output and this is shorted, or the problem is in the power section like shorted diode shorted capacitors or open circuit may cause this, and the STK IC if shorted you got protect warning..

Angel
Thansk...

Aug 02, 2009 | Onkyo TX-DS747

2 Answers

My unit switches between speakers A, B and neither, while warming up. Lasting anywhere from 5min-15mins until it settles. Then speakers A can be selected and it will stay there. How do I fix this?


I see that I am not only one with same issue with TX-DS747, and would be grateful if someone could post some more info about this problem.

Jul 03, 2009 | Onkyo TX-DS747

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