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Hughes & Kettner Warp 7 Distorted Output

Started by ca7922303, September 30, 2020, 12:06:11 PM

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ca7922303

Distorted output both channels. Return jack efx loop also distorted. Good signal headphone jack. Has blown both fuses under board a couple times when turning clean channel volume knob seems like. Have oscilloscope, signal generator, dmm, schematic. Anyone have any experience with these? Thanks. Also, replaced 2-large caps and tip142 and 147. Now blows both underboard fuses nonstop.