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In Reply to: RE: 240hz hum through left channel posted by vkung on September 06, 2016 at 23:29:41
All points voltage checks ok
Any other tips?
where you bought your kit?
99% is the soldering issue..
I removed all components related to power filter, added new FET for Q3 / Q5, and resoldered everything. HUM is solved.
Thank-you for your help.
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