Solder joints age. Sometimes the Mfg doesnt put enough solder or it can also be "cold-soldered" where it "appears" soldered/connected in but it AINT.
Also, if the schematic shows some voltage points in the circuit you're checking,then check to see if the points agree with the schematic.
ianjameshicks wrote:
yes, it is with the other controls
--- In vintagesynthrepair@yahoogroups.com, scott frye
...> wrote:
>
> Hi Ian,
>
> Is the pot soldered to some main board assby with other controls?
> And, do you have any pics of the area where the pot is?
>
> ianjameshicks ...>
wrote: Hi,
>
> I have a polysix that suffered the battery problem, it has been
fixed
> and sounds great but after the last time I took it to the tech,
I've
> noticed that the PW/PWM pot isnt working at all. I'd take it back
to
> the tech but I've since moved from the area. I've downloaded the
> schematics and thought that I'd take a crack at it myself.. I just
> wanted to know if anyone has any tips about this specific problem,
any
> ideas of what could be wrong or any good starting places?
>
> Thanks,
> Ian
>
>
>
>
>
>
> Scott Frye
> AudioFixation
> Consumer / Pro Audio Repair
> Southern VT
>
>
>
>
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam? Yahoo! Mail has the best spam protection around
> http://mail.yahoo.com
>
Scott Frye
AudioFixation
Consumer / Pro Audio Repair
Southern VT
AudioFixation
Consumer / Pro Audio Repair
Southern VT
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection
around
http://mail.yahoo.com