> hello all
>
> I just got serious troble with PLL module
> it started with damage of middle section
> position switch stoped to work
>
> I put module out and tried to see if all parts are
> corectly setled and after moments
> it seems that chip close to power ribon connection
> has something with that I touched it and it started to work
> but with some breaks
>
> and after all this chip started to just burn with smoke
> I took it out, module worked but middle section is not
> working
>
> please tell me if this means module is more or less dead
> or there is chance i put new chip (easy to find imptorant one )
> or should I forget about it..
>
> this is one of most improtant module in by set.
>
> Please let me know if you have any infos for me
>
> Also what kind of chip it is
>
> thanks so much
>
> best
> robert

The A-196 has 3 integrated circuits: 74HC4046 (PLL circuit), CD4051
(electronic switch) and NE5532N (Dual OpAmp). The NE5532 is next to the bus
connector. All circuits are standard and should be available in your local
electronic shop. Of course you may send in the module for repair too.

Best wishes
Dieter Doepfer