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sx950

  1. vwong688

    SX 850 No Relay Click - Replacing Power Supply Board

    Hi, There are lot of things going on on this SX 850 I am trying to restore. I have replaced the capacitors and transistors according to the parts lists floating around on AK. I have to admit because it was my first time attempting electronics work like this, mistakes were made. After...
    • vwong688
    • Thread
    • pioneer pioneer sx850 pioneer sx950 power supply board relay sx850 sx950
    • Replies: 8
    • Forum: Pioneer Audio
  2. CoreyS

    Pioneer SX950 DC Offset Adjustment

    When setting DC Offset are the 5.1k resistors really necessary? I’ve read on audiokarma that they are not. Never seen this before.
  3. Dawid Ratal

    Pioneer SX 950 - does not turn on the right channel.

    Hello everyone, Have any of you encountered this problem before? Pioneer SX 950 receiver, serviced. All voltages on the power board are correct. Also the protection plate. No problems with ranges. Replaced the column switching relay with a new one (Mouser - Omron LY2F-DC24). All switches...
  4. Anonky

    Pioneer sx950 powers up but no relay click

    The unit powers on with DBT. DBT has initial bright light then it dims significantly and barely is lit up thereafter. Powers on fine without DBT as well, but no relay click under either condition. Power supply voltages at pin 1-15 without the DBT: 1: 0v 2: 5.2v 3: 5.2v 4: 13.3v 5: 13.3v 6...
  5. tramtrist

    sx950 Left Phono Channel No Sound

    Hey guys, Topic about explains it all. My SX950 is working great EXCEPT for when I'm in Phono 1 or 2. No sound out of the left channel. Comes in crystal clear on the right. Is this a simple deox or should I be thinking of cracking her open? Thanks ahead of time
  6. Ray122

    Pioneer SX-950 HELP!!!

    Hey everyone! In desperate need of some help here. I'm working on an SX950 for a friend, and for the life of me, I can't seem to keep the output transistors on the right channel from frying. I've gone through this a few times now and it's getting very frustrating. I had everything working just...
    • Ray122
    • Thread
    • amp bias bias adjustement counterfeit diy help idle current output transistors pioneeer repair sx950
    • Replies: 17
    • Forum: Pioneer Audio
  7. Super Noob

    Project: SX-950

    Here comes my latest rebuild... local SX-950. https://drive.google.com/open?id=1qMku989EUw8sRdkSVOmchybrtVHA-dwv The caps lists was a copy from MTF / MattSD... it has some errors but may be a good starting point for someone who might attempt a rebuild. I recommend the following = new...
  8. TechGuru87

    Pioneer SX-950 No Audio Output

    Hi, I acquired an sx950 with no audio output. I am an veteran electronic technician for 25+ years but can't figure out what the problem is? I have checked all outputs stages and found no shorted, burnt components or blown fuses. Unit powers on, all lights work. The pre-out stage works fine when...
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