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Boss TR2 (mini problem for Profis...)

Discussion in 'General Electronics Discussion' started by jjj, Dec 18, 2008.

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  1. jjj


    Dec 18, 2008
    I bought a Boss tremolo pedal. When I press the pedal the effect comes on and then I have to press again to turn of the effect. From what I see in the circuit, the FET Q3 bridges the effect, while Q1 turns it on and visa versa.

    What I really want is that the tremolo effect is only on for as long I push the pushbutton switch.

    Since I'm new to this forum, I'm only allowed to send the schematic this way:

    Please swap the two stars for "tt", Thx.
    Last edited: Dec 18, 2008
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