Question about Technics Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: Technics SA-GX5OO Receiver
The noise you hear when increasing or decreasing the volume control is due to dust particles inside the potentiometer, you should use a contact cleaner to get rid of the noise by spraying it inside the volume control. Radio Shack should have the contact cleaner or you can google it.
The other failure could be some dry solder joints around components that overheat such as the amplifier IC or transistors, high power resistors, etc.
Posted on Oct 17, 2008
The most likely culprit here is the output protection relay. The contacts are a little corroded and the higher volume "jumps the gap" temporarily "cleaning" the contacts. The relay should be changed. I don't have the manual with me, but the following relays are in the unit. One of them is the speaker relay:
Part # Cost
RSY0040M-0 $ 5.89
K6B2AHA00014 $ 8.14
Posted on Nov 12, 2008
SOURCE: I have an old Technics
Reliance on the remote instead of walking across the room to touch the unit will not solve anything. On many receivers, Muting is cancelled if the volume knob is turned to a louder level. Try that.
There's a used original remote for $12 delivered on eBay right now.
Posted on Jul 09, 2011
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