Playchoice-10 - Bad Game PCBs or Bad Main PCB? (with YouTube video uploaded)

ebo0763

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Playchoice-10 - Bad Game PCBs or Bad Main PCB? (with YouTube video uploaded)

Some game pcbs work fine when other games are plugged in but will reset (when start is pressed at start menu) if the board is by itself.

BTW, I have a spare pc10 dual monitor boards available. If you think there are chips or other parts I should swap, let me know.

Pease see my video for more details.

http://youtu.be/1FHVDMrA0_Y
 
my $.02 on this is that you have a mainboard problem. The carts rarely fail - but I had one instance in particular where I had a Super C that was resetting on it's own but it didn't take any other games down with it (ie, make them corrupt like yours) nor did it prevent me from playing any other games.

The part that bothers me about your video happens in the very beginning - two known good carts when playing separately work, but when you put them together they become un-playable.

Unfortunatly I don't know much more about the details here and I am going to be talking completely out of my butt on this one, but maybe it has to do with some kind of timer or IC on the board that synchronizes everything on the BUS where the carts are plugged into? I would be curious to see if anyone else can provide input.
 
two known good carts when playing separately work, but when you put them together they become un-playable.

Actually, one (Pro wrestling) doesn't work alone and with other games plugged in.

maybe it has to do with some kind of timer or IC on the board that synchronizes everything on the BUS where the carts are plugged into?

Update: I actually have a spare PC10 dual monitor board and if you have any suggestions on which chip or part to swap I could give it a try.
 
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