tech: Frogger PCB

[marog_uk]

[ukvac] tech: Frogger PCB
I've recently purchased a Sega Frogger PCB. Having made up a Jamma
converter, I can't find a volume control knob on the PCB. There is however
a very low volume sound coming out of the cabinet speaker. Does Frogger
need an external amp, or am I just failing to see the volume control? If it
does need an external amp, does anyone have a recommendation for one I could
use? Any help given would be most appreciated. Cheers, Steve
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[PaulSwan]

Re: [ukvac] tech: Frogger PCB
Steve,

External volume control (10K ohm pot).

On boards #834-0084 & #800-0084 it's connected on the edge connector:-
wiper - P
track - V
track - S (and sheath)

On board #834-0086 there is a separate 3-pin connector for the pot:-
wiper - pin 4
track - pin 2
track - pin 6 (and sheath)
(odd pins may not be fitted on the board).

Regards,

Paul.

Steve M wrote:
>
> I've recently purchased a Sega Frogger PCB. Having made up a Jamma
> converter, I can't find a volume control knob on the PCB. There is however
> a very low volume sound coming out of the cabinet speaker. Does Frogger
> need an external amp, or am I just failing to see the volume control? If it
> does need an external amp, does anyone have a recommendation for one I could
> use? Any help given would be most appreciated. Cheers, Steve
> _________________________________________________________________________
> Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.
>
> Share information about yourself, create your own public profile at
> http://profiles.msn.com.