unclej Posted May 13, 2005 Report Share Posted May 13, 2005 i took a peavy TNT130 bass amp in on trade and sold it to one of my students..he brought it back in yesterday (after 3-4 months) and it's honkin'. not screeching or screaming or wailing...honkin'. as soon as you turn the power switch on there is a steady, loud lower-mid range squawk/ honk. it's not controllable with any of the controls..in fact it has two pc boards inside right next to each other. one apears to control all of the switches and knobs and inputs and the other the output. there's a jumper between the two boards and i disconnected that and still get the honk. i tried another speaker with the same results. all of the caps test ok and in fact, the only component that i know how to test that doesn't test ok is a tiny little diode. could that one bad diode cause all that racket? any other suggestions about what else might? thanks Quote Link to comment Share on other sites More sharing options...
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