Button not working 2 slot please help

Osiris88

n00b
Joined
Jul 17, 2019
Posts
3
So I have a 2 slot and my issue is on player 1 the b button is not working everything else works perfectly fine. I know ita not a wiring issue because I connect my 4 slot and everything works just fine. Can anyone help me please thanks in advance.
 

BIG BEAR

SHOCKbox Developer,
20 Year Member
Joined
Dec 14, 2001
Posts
8,230
Enter the TEST MODE,meaning turn the unit on with no game inserted.Once you see the grid come up,press start several times until you reach the I/O CHECK test screen. If the B button on player 1 side is @ 1 you have a bad resistor or broken connection on the board.
BB
 
Last edited:
Top