Dunlop - TVP-1 Tremolo Volume

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
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devastator
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Post by devastator »

hi,

is there someone with a bit of imformation about this TVP-1 ?

I have to fix one (lfo isn't working, or the CMOS switching dead, don't know yet) but that thing is really complex. I'm in the process of tracing the schematic but it takes ages to do so. There're CMOS switch, Nor gate, JFET switching, lots op amps (really complicated circuit for a tremolo).

I contacted Dunlop for a scheamtic and no answers (obviously).

thanks

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