Question about Onkyo TX-DS787 Receiver

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Internal battery on the Onkyo TX-DS747 RECEIVER

I found my internal battery on the Onkyo TX-DS747 receiver. The one terminal on the battery has corroded and I need a replacement.

I am based in South Africa and would like to know if anyone can assist with the specs of the battery.

I also have a problem when I turn on the amp. The speaker outputs keep on switching. (On and off on channel A) After a while this seem to rectify itself or sometimes I need to turn on the "A" speaker setting to get the sound. Any ideas on this?

Best regards
Willem

Posted by on

4 Suggested Answers

  • 103 Answers

SOURCE: fm tuner not workin in south africa

The unit will not outside the us.We have a different scan freq.

Posted on Mar 03, 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

woodzowl307
  • 533 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

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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...

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