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 Forum index » DIY Hardware and Software » The Repair Shop
Moog Voyager - Problem with MOD bus 1
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klangumsetzer



Joined: Jan 23, 2006
Posts: 453
Location: Sweden
Audio files: 18

PostPosted: Sat Mar 10, 2018 7:39 am    Post subject: Moog Voyager - Problem with MOD bus 1 Reply with quote  Mark this post and the followings unread

Hello,

I have the following issue with the modulation (MOD) wheel of my Voyager
Performer Edition:

- The MOD wheel is showing no effect on MOD bus 1: modulation is always on
max even with the mod wheel turned down.
- Also the amount knob does not work but seems to be constantly at 100 % (full amount).
- the MOD wheel _does_ give out MIDI data via MIDI out
- MOD bus 2 is working as it should


Any help is greatly appreciated!

_________________
best regards

eike
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make a joyful noise!
https://archive.org/details/EdP024_Antimon_klangumsetzer_rinden_bark
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gregcomposition



Joined: Oct 20, 2013
Posts: 16
Location: Poland

PostPosted: Sat Mar 31, 2018 1:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi!
Did the issue happen suddenly or gradually?
Can you confirm that the source, destination and shaping switches on mod.bus 1 do affect the sound?
I didn't get a service manual of MVPE but I would start from comparing the voltage values of output in two modulation's busses.
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klangumsetzer



Joined: Jan 23, 2006
Posts: 453
Location: Sweden
Audio files: 18

PostPosted: Wed Apr 25, 2018 3:55 am    Post subject: Reply with quote  Mark this post and the followings unread

Hello,

Thanks for your suggestion!

I have been in contact with Rudi Linhard of Lintronics in Germany and he suspects faulty TI chips. I hope he can repair it.

_________________
best regards

eike
---
make a joyful noise!
https://archive.org/details/EdP024_Antimon_klangumsetzer_rinden_bark
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