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PostPosted: Wed Apr 17, 2019 2:06 pm 
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Joined: Mon Nov 12, 2018 10:33 am
Posts: 6
Hi all,
Hopefully somebody is able to help me.
Concerning the Analog Vibrato Kit I got the problem to have no sound.
True Bypass is working and as well the LED.

There was a wrong IC in the package - V3207D instead of V3102.
I ordered the right one from a local dealer.
But this isn't the issue.

I checked the solder points and wiring 3 times, but do not find any cold solder or wrong connection.

Anybody an idea how to find the problem?

Thank you in advance.


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File comment: Top side with correct IC
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PostPosted: Wed Apr 17, 2019 3:12 pm 
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Joined: Tue Jan 02, 2007 1:24 pm
Posts: 16196
Location: Albany, NY
Have you optimized the two trimpots per the instructions?

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“My favorite programming language is SOLDER” - Bob Pease (RIP)

My Website * My Musical Gear * My DIY Pedals: Pg.1 - Pg.2


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PostPosted: Thu Apr 18, 2019 12:48 am 
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Joined: Mon Nov 12, 2018 10:33 am
Posts: 6
Yes, you are right. The Bias Poti was on zero.
Thanks for the hint.
There is a pipe in the sound which I still need to check, but the pedal works.


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