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25th September 2011, 11:55 PM
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diyAudio Member
Join Date: May 2011
Location: Florida USA
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Learning Repair Need Help With Sub Amp
Hi all.
I am trying to learn some basic repair on my own. I had some non-working powered subs sitting around so I thought that would be a good place to start. When I started this one would just rumble and pop. I clean up all of the dried up conductive glue off the boards and checked the main caps. Now it plays but there is a bit of high frequency sound getting through the x-over and when you switch phase to 180 a lot of high frequency and some distortion get through. Attached is the schematic. Any tips are very much appreciated. Thanks Tony |
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