Question about Pioneer Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: SX-950 Stereo Pioneer Receiver
The relay is a protection device for the speakers. It will shut off the speakers when problems are detected internally. I would suspect that some of the capacitors in the front end are in need of replacing. This is a common item for units this old. I have restored a number of these for customers over the years with much success. Figure about $15-$20 in parts for this repair plus the local labor rate. This unit is definately worth a refurb. What happens is that there is dsome DC voltage being leaked into the final amplification stage. This triggers the protection circuit to shut off the speakers. DC voltage on a speaker will heat up the coil and eventually destroy the speaker.
Posted on Apr 02, 2008
Disconnect the speakers and see what happens. Carefully examine the speaker cables for unwanted connections (shorts).
Take a clue from when the power problem appeared. Something was moved and made the buzz a (probable) dead short.
Posted on May 16, 2009
Unit is pretty old I had one of these back in 98-99.
Time to upgrade a service tech is going to cost you $150 just to open it up and figure out whats bad.
Pioneer ok but check out Denon's line of receivers Onkyo is good too but they have a high rate of repairs
Pioneer doesn't make them like they used to that D1S was a tank, had tons of audio / video inputs was one of the first with video upconverting had lots of power and a great front display panel. BUT technology has come along way and pioneer hasn't kept up. They even stopped making high end TV's a few years ago even though they were regarded as the best sets out there.
check this out
Denon AVR-4310CIgoogle it they sell for ALOT less than sticker I bought one for $1299 with a 5 year warranty
Hope that helps
Posted on Feb 19, 2010
Testimonial: "@thebigdoghim, thanks for the very constructive feedback. I was 80% certain that the cost to diagnose the problem alone would be in the triple digits."
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