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| | |-+  DC30 build issue.......
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Author Topic: DC30 build issue.......  (Read 3113 times)
telemad
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« on: July 20, 2009, 03:59:25 AM »

Got amp started up and channel 1 is sounding good but channel 2 is having issues..... The channel only gets sound if  volume knob is  turned to zero.. any other movement I get scratchy and pronounced hum and no sound from guitar.... Checked wiring against layout and it looks right ...... bad pot??? Kind of at a loss here and trying to avoid $50 per hr bench time......


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Mitch
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« Reply #1 on: July 20, 2009, 08:24:12 AM »

Obviously double double check your soldering- easy to get a 'dry' joint somewhere- check the EF86 is OK & one issue I had with the DC30 was the insert jacks for efx send/returns weren't making a good contact- I solved this by cleaning the jack make/break contacts with mild abrasive & switch cleaner and re-tensioning the contacts slightly-  you can check continuity easily across the send/returns with a multimeter...
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