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Christo Sotirakos
Christo Sotirakos Posted on Dec 01, 2019
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I have pioneer sx 650 amp it powers up but has no sound.

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  • FastHarley
    FastHarley Dec 02, 2019

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FastHarley

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  • Pioneer Master 761 Answers
  • Posted on Dec 02, 2019
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I would check it with another set of speakers.

5 Related Answers

Anonymous

  • 5 Answers
  • Posted on Dec 20, 2008

SOURCE: Pioneer SX-950

use a cable tester for the wires that are connecting to the unit and you'll find the faulty wire that is bad.....good luck

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John Weinreich

  • 336 Answers
  • Posted on Dec 17, 2009

SOURCE: Pioneer SX-2300 powers up, but no sound.

Does the output relay click about 5 sec. after powering on? If it does check if the tape2/tape monitor is on. Check speakers and wiring. Try headphones.

There aren't any fuses for the output.

If no relay then it probably needs output transistors and a few resistors.

Gyula Lacz

  • 486 Answers
  • Posted on Jun 24, 2011

SOURCE: pioneer stereo tuner amp sx-p720

You can get full schematic about your device using this link:

http://elektrotanya.com/pioneer_sx-p720_920_sm.pdf/download.html

Good luck, good work!
Thanks.
gylacz

Anonymous

  • 1 Answer
  • Posted on Nov 24, 2011

SOURCE: I own a amplifier "pioneer sx 202 R". There must

check the relays

Anonymous

  • 1 Answer
  • Posted on Jul 19, 2012

SOURCE: Pioneer SX-203

Check the 2nd Tape monitor switch. If on it kills signal path.

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