I'm running a Getaway (High Speed II) that suddenly started having the volume jump to max during play (and no volume control). After a quick bit of research, I purchased a replacement for the x9503, an x9503p: ebay.com link This was installed by a very competent tech here where I work.
Now the game is at full volume immediately after power-up (and the volume controls do nothing). Additionally, the speakers now make a soft tic-tic-tic... sound while powering up (about 2-3x per second), which I don't recall hearing before.
I see that the removed part is also an x9503p, which I guess means it's been replaced at least once before. The sound board is A-12738-50004 WPC.
- the new x9503p is bad, or the solder/replacement was bad
- C18 is bad
I'm thinking that 1 is less likely, so my plan is to next replace C18.
What if replacing C18 doesn't fix the problem?
Thanks in advance as always!