[TechAssist] Re: [Fwd: Roland JC120 audio amp]
- From: "Dan Williams" <wizhd@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 11 Nov 2005 08:34:41 -0600
Worst comes to worst start high (100K) and work lower if needed.
Dan W
Wizard Electronics
wizhd@xxxxxxxxxxxxxxxx
----- Original Message -----
From: "Al Gutz" <alg@xxxxxxxxxxx>
To: "techassist" <techassist@xxxxxxxxxxxxxx>
Sent: Thursday, November 10, 2005 8:45 PM
Subject: [TechAssist] [Fwd: Roland JC120 audio amp]
>
>
> -------- Original Message --------
> Subject: Roland JC120 audio amp
> Date: Thu, 10 Nov 2005 21:39:09 -0500
> From: Al Gutz <alg@xxxxxxxxxxx>
> To: techassisatB <repair@xxxxxxxxxxxxxxx>
>
>
> Would anyone have a schematic on this
>
> Need to get the value of the variable resistors labeled "SPEED" and
> "DEPTH". All the componets on the board have loc numbers except the
> pots, they are just named.
>
> Google offered many sites to download operating manual but not the
> schematic.
>
> Customer had unit in a proffesional musical repair shop and instead of
> just tightening the lock nuts which were loose they broke these two
> controls off and then lost them, then claimed Roland couldn't supply the
> parts. The pots are standard 16mm size PC mount but I need the values.
>
> Thanks for any info
>
> Al G
> Al's TV-Electronics
> Pembroke Ont.
> Canada
>
>
>
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