Deluxe Reverb's Treble Control Not Responding

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syscokid
Posts: 44
Joined: Mon Apr 20, 2009 6:46 pm
Location: Grover Beach, CA.

Deluxe Reverb's Treble Control Not Responding

Post by syscokid »

Tomorrow I'm picking up a DR chassis from a friend and I'm going to try to diagnose and repair the issue with the Normal channel's treble control that is not adjusting the treble level at all. The tonal signal is forever dull. The Normal channel's Bass control seems to be working OK. Amp's reverb and the Vibrato channel all works well. Anyone come across anything similar?

I'll follow and test all of the V1 circuit, but I keep thinking the tone-stack's 250pF treble cap and/or its connections is where I'm going to find the culprit.
Herman's Deluxe Reverb (2).jpeg
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Greg
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