Pole position II speech issue (stuttering)

My pole position stutters on the voice sounds. Every other sound is good. I tried cleaning and reseating 9e and 9c as was talked about on this thread:

http://forums.arcade-museum.com/showthread.php?t=105662

When I took out 9e one of the legs fell right off. I have a parts PP board so I swapped both chips and it's exactly the same.

Any suggestions?

Thanks.

look that socket over closely and make certain there are no legs stuck in there. Look the traces over very closely. With what you have posted I am thinking get the sockets solid first.

You can try some kind of external amp to see if it is at the input or not (audio part of problem)
 
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