Question about Sony SA-WM500 Subwoofer
I had a problem with no audio and I recently found the fix. When the sub still worked and you turn it on you hear one relay click and then about 5 seconds later a second relay clicks and the audio comes on. The problem I had lies with that second relay. When you take the case apart there are 4 circuit boards. The big board with the two big blue capacitors is the main board. Well next to the two blue capacitors is a blue relay. That relay had a pin that came un-soldered from the circuit board. I re-soldered that pin and the sub works just like new. If you go here http://www.eserviceinfo.com/downloadsm/20627/sony_sawm500.html you can find a free service manual that has the wiring schematics for the amp. Hope this helps!
Posted on Jul 13, 2008
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Posted on Jan 02, 2017
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