pepper II sound issue

p1899m

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Jul 12, 2007
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Rocklin, California
I replaced a bad amp chip with a new one. The old one had a heat sink that I moved to the new chip. With the new chip with heat sink some of the sounds are barley audible but they are still there. When I remove the heat sink the sounds that were barley audible are now loud and clear but another set of sounds are now hard to hear. Oh also when the heat sink is not present the self test says there is an audio error. When the heat sink is in place no error registers. Anyone got a clue how to fix this? What might be wrong? Will be bringing this game to CAX and it would be great if it were 100% working.

BTW I am aware of the 3 volume pots on the board and all these seem to work fine and adjust their appropriate sounds or the overall sound as they are supposed to.
 
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