Question about Pioneer Audio Players & Recorders
As the part may not be made anymore you could buy a 12-15/16 volt switch with the same fitting and put a resister in the power side to the switch. as the switch is only these volts, I have had to do this on a few items myself, you can buy the switches that can have the resistor slot on them but they are a lot more expensive and you have to solder the resister in place on the switch. but if you remove the old switch and on the side were the power for the relay is on one side put a resistor depending on 12v etc saying 12 volt as it would be 50% resistance to lower 24 to 12 volts. solder that to the board leaving room and bend the pin on switch on that side were it would be fitted and solder the resistor to that after the switch is fitted, there should be room to do this and should be fine for the switches like.
Posted on Jun 22, 2017
Nothing wrong with the relay.
Try reflowing the solder under the heavy components and regulators.
Posted on Jun 22, 2017
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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
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