Vintage Synth Repair

Hi thanks, I got it fixed a while ago, It was a dead
TL082 op-amp(IC2)located in the vocoder board known as
ETH16..mine has the push switches by the way not the
rockers..

Phil.




--- akira honda <oxygeno1313@...> wrote:

> hi,
>    
>   i had a similar problem long time ago, i own 2
> VP-330 and both had the same problem, i replaced the
> op amps from each filter, also check the rocker
> swtiches if they are making good contact.
>    
>   hope this works for you.
>   
> 
> Philip <eggwheatis@...> wrote:
>           Well I've nearly brought my Arp Quadra
> back from the
> dead since I found a source of 8243's in the UK.
> Still
> got a couple of buttons not working
> though...sigh..oh
> well hehe.
> 
> Anyway now I've moved on to my Roland VP-330.
> Basically the vocoder doesn't work. Plug a mic in
> press the keys..nothing..silence. You can hear the
> mic
> direct sound if you turn the fader up. I tried
> feeding
> another synth into the external synth in..still
> nothing. The strings and the human voice sounds work
> perfectly.
> 
> Any advice to help me get going?..I've just started
> reading the service manual..
> 
> Once this is done...I might even look at my very
> sick SK-20.
> 
>
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