MVS 1-slot motherboard P1 right stuck

mchay

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Mar 3, 2009
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Fyn, Denmark
Hi,

I have an MVS 1-slot motherboard, which functions as it should in any respect, besides the P1 right being stuck.

How would one go on in search of a way to fix this? I cleaned all the connectors and tested another 1-slot motherboard in the cabinet, which functions 100% as it should.

It doesn't seem to have any optical faults, so I'm looking for an idea of where to go from here.
 
Start at the JAMMA connector and follow the trace... look for trace damage, broken resistor pack, etc...
 
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