tech: simpsons 4 player board

chips4sle

Well-known member
Joined
Nov 15, 2004
Messages
7,296
Reaction score
877
Location
Spring Grove, Illinois
hey
i have a simpsons 4 player board
it comes up and when i do a rom check it shows that all 4 of the mask roms are bad. i took one out and changed it but that didnt fix it. what else do i try
jeff
 
Which mask ROMs?

If it's for graphics check the surface mount custom chips for busted solder connections.

Also, check for gouged traces. Those silly Konami boards have hair thin traces that are EASILY damaged.
 
cold solder

O look you have a Micro scope you finally get to use.

:)

RJ
 
Back
Top Bottom