Pioneer SX-650 Help

Discussion in 'Pioneer Audio' started by Erik67, Apr 29, 2018.

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  1. Erik67

    Erik67 New Member

    Messages:
    33
    So I found out after I ordered the transistors that my receiver uses the IC type Phono section instead of the the transistors. Are there any way that I can test these ICs and where would I find new ones?
     

     

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  2. Watthour

    Watthour Electron Rancher - JS3600

  3. Erik67

    Erik67 New Member

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    33
    Ok thanks
     
  4. MadeMine

    MadeMine Active Member

    Messages:
    186
    I had a similar problem with my SX-650 and found a crack in the printed circuit board (PCB). Soldered the traces and it worked great.
     
  5. Erik67

    Erik67 New Member

    Messages:
    33
    Well I found a whole tuner board for a 650 with the ICs on it. I picked it up for 20 bucks. The guy wasn’t sure if the Phono or Tape inputs worked but it was only 20 bucks. He said everyone else worked he just needed the function switch for a 750. We’ll see if it works when It gets here.
     
  6. Erik67

    Erik67 New Member

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    33
    Well I’m not sure exactly what to do now. I put both of the new ICs in there and it still won’t work on Phono. Any thoughts?
     

     

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