Re: [AH] Serge Frequency shifter carrier vco board (calibration needed?)

From Bakis Sirros
Sent Tue, Apr 1st 2008, 08:35

hello John,

no, ground is ok.

thank you,
best regards,
Bakis.


Bakis Sirros
Parallel Worlds / Interconnected / Memory Geist
www.parallel-worlds-music.com
www.myspace.com/parallelworldsmusic
www.myspace.com/interconnectedmusic
www.myspace.com/memorygeist
www.din.org.uk
www.musicamaximamagnetica.com
www.shimarecords.co.uk
www.rubber.gr
doepfer_a100 group owner
Athens - Greece
----- Original Message ----- 
From: "John P" <redacted@example.com>
To: "Bakis Sirros" <redacted@example.com>; <redacted@example.com>
Sent: Tuesday, April 01, 2008 6:16 AM
Subject: Re: [AH] Serge Frequency shifter carrier vco board (calibration 
needed?)


> wild guess - bad ground?
>
> Bakis Sirros wrote:
>> hello list,
>>
>> i got, few days ago, a brand new carrier vco board (quo) for my Frequency 
>> shifter module and my tech installed it to my FS module.
>> now the two vco outputs work (and the module works), but it seems that 
>> the carrier vco board needs calibration probably?
>> the symptoms:
>> the (carrier) vco frequency knob is only effective from 12 o'clock to 
>> max(5 o'clock), but not at all from 12 o'clock to min (7 o'clock).
>> also the 1volt/oct input does not work at all.
>> the vcf input works, but it seems that it affects the carrier vco's 
>> frequency in the opposite direction...? (when it is in the negative 
>> territory)
>>
>> any ideas what the problem could be? the carrier vco board is new so it 
>> should work fine.
>> probably needs some calibration, as there are about 6 trimmers on the quo 
>> board...
>> any help on this?
>>
>> thanks in advance,
>> best regards,     :-)
>> Bakis.
>>
>>
>>
>> Bakis Sirros Parallel Worlds / Interconnected / Memory Geist
>> www.parallel-worlds-music.com
>> www.myspace.com/parallelworldsmusic
>> www.myspace.com/interconnectedmusic
>> www.myspace.com/memorygeist
>> www.din.org.uk
>> www.musicamaximamagnetica.com
>> www.shimarecords.co.uk
>> www.rubber.gr
>> doepfer_a100 group owner
>> Athens - Greece
>>
>