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.
suggestions?
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
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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Posted on Jan 02, 2017
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