Question about Audio Players & Recorders

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This unit suddenly stopped sound output to both channels - the twin cassette decks, CD, tuner and turntable all work fine - there is just no output to the speakers - i suspect the power supply unit has failed but have checked both fuses and they are OK.


Posted by hifidummy on

  • hifidummy Oct 15, 2007

    1. this generalist answer doesn't really help fix the problem

    2. the machine doesn't have a fan so it has been incorrectly identified

    3. i don't think this represents value for money.



2 Answers

Mohamed Eissa

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Did you manage to fix it? I have the exact same problem

Posted on Aug 13, 2020



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Is this one of the units that has a ribbon cable ( looks alot like an IDE hard drive cable) that connects all the components together? It also has a squre plastic fan that protrudes slightly from the rear (by about a 16th of an inch)? If so, it's the power module which consists of 2 boards (along the fan housing). You can probably find replacements for about $70, but I wouldn't bother. They quit making new replacements several years ago and any board you get now is just a pull from old stck units.... and they fail about 2 minutes after you put them in. Pioneer knows this but still sells the defective parts.

Posted on Oct 13, 2007

  • Mitch
    Mitch Oct 15, 2007

    Ok, if it's NOT one of the units with the fan in the back then it's a discrete transistor amp model. First, make sure your "TAPE 2" monitor is not on.... If it's not and you still have no sound then try a pair of headphones in the headphone jack.... If there is sound from the headphones but not the speakers, then the amp is damaged and will have to be serviced by a repair shop. If you DON'T get sound through the headphones, then it means that either:

    a) you have something hooked up wrong (probably not--- you said it "suddenly" stopped...).

    b) the preamp is also damaged, which means it's seriously damaged!


    Report back with your findings.



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