Couple of questions on my frogger game

KDAWG97M3

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Hey guys. I just picked up a frogger cocktail. Sound isn't working and the red in the screen isn't really showing up, I tested the Board for +5 found 4.82, wanted to adjust the power supply slightly anyone know how to on this power supply? Also where is the dang volume adjustment on my cabinet? Thanks again

I have attached pics of my cabinet and Ps

Thanks
 

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i don't know on the cocktail specifically but the uprights had the volume pot right inside the coin door. your +5 may not have an external adjustment pot so it likely has a pot on the pcb inside the power supply case but usually when they had them inside there should be an access hole through the metal case. (always best to adjust with a non-conductive tool when working through the case so you don't slip off and fry something).
 
Thanks. No volume adjustment there, not seeing the +5 adjustment on the PCB. Hmmmm thanks for the help though. Greatly appreciated.
 
Last edited:
Thanks. I volume adjustment there, not seeing the +5 adjustment on the PCB. Hmmmm thanks for the help though. Greatly appreciated.


the +5 pot would be on the power supply pcb which is inside the case labeled YPU-06A in your picture and if its not exposed through the metal case it should have an access hole.
 
the +5 pot would be on the power supply pcb which is inside the case labeled YPU-06A in your picture and if its not exposed through the metal case it should have an access hole.

Thanks. I will check first thing....

Still can't find that dang volume adjustment..I did get sound, I took the PCB out and clean it a little, sound works, but I get some scratchy noise, it needs a good cleaning...need to find the correct ROM for sound to pull it out and clean it any idea? I have searched for schematics but it is all on the stand up, not the cabinet...thnsks again for your support
 
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