Vintage Synth Repair

daniel,
 
i guess that one of the dual binal up counters (4520) that correspond for those keys are failing or maybe  the chromatic divider (AY-3-0214) it's not working propertly. Try to check cold solders from the wafer terminals. i cannot guarantee anything.
Good luck.
 
Akira

daniel_muschinsky <daniel@...> wrote:

hi!

mine has a couple of problems actualy...

the Ab and the Bb keys don\ufffdt work, the ensemble effect is not working 
and i think the vocoder part needs calibration!

if i can fix it myself it would be great... otherwise i\ufffdll just have 
it serviced! any help would be cool!

cheers! daniel


--- In vintagesynthrepair@yahoogroups.com, akira honda 
<oxygeno1313@y...> wrote:
> Hi,
>  
> I have two VP-330 Plus (Mark I) both have the same problem with the 
vocoder section, i had to replace some op amps from the filter 
section, and the other one i had to replace all the LF353N (MKII use 
TL082 i guess). 
>  
> What's the problem with yours ?
>  
> Akira
> Mexico City
> 
> Keith Niver <kaniver@m...> wrote:
> Look at www.rolandus.com and look at the support menu. They have 
manuals and
> software downloads and more stuff available for free, plus you can 
call them
> at the number listed.
> 
> Keith Niver
> Certified Roland Service 
> 
> -----Original Message-----
> From: daniel_muschinsky [mailto:daniel@s...] 
> Sent: Friday, July 16, 2004 4:59 AM
> To: vintagesynthrepair@yahoogroups.com
> Subject: [vintagesynthrepair] wanted! roland vocoder vp-330+ 
manual/info
> 
> 
> 
> 
> hi! does anyone know where i can get some info on the roland vp330+ 
i 
> got one quite cheap but it\ufffds not workin properly!!!
> 
> any info, service or usermanual would be a great help!
> 
> cheers! daniel
> 
> 
> 
> 
> 
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