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Tech Head - The Technology Section
The Work Bench and Soldering Station
Humming subwoofer
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<blockquote data-quote="Terryl" data-source="post: 1087149" data-attributes="member: 369937"><p>Well I don't see any caps that may be a problem, when they go bad they bulge up on top. However I do see a burnt up resistor, the big one marked R36(???) this is in a voltage regulator circuit, it looks to be a 100 ohm (or 1000 ohm) 1 watt, this may be your problem, it looks like old age has hit, I also see a few others that look to have taken a bit of heat.</p><p></p><p>If you know the make and model number you could do a google check for a replacement PCB, there are a few markings for the board.</p></blockquote><p></p>
[QUOTE="Terryl, post: 1087149, member: 369937"] Well I don't see any caps that may be a problem, when they go bad they bulge up on top. However I do see a burnt up resistor, the big one marked R36(???) this is in a voltage regulator circuit, it looks to be a 100 ohm (or 1000 ohm) 1 watt, this may be your problem, it looks like old age has hit, I also see a few others that look to have taken a bit of heat. If you know the make and model number you could do a google check for a replacement PCB, there are a few markings for the board. [/QUOTE]
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Humming subwoofer
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