Stoog
Member
Hey everyone
Thought i would have a look at this Kung Fu Master ive had for awhile
Works fine but no sound
Amp side of things is working fine but it seems that from the sound cpu to the AY8910 nothing is going on. I get healthy activity from sound cpu and the IRQ is working correctly but thats about it changed out both AY8910 as i had these fail in the past and do odd things like this before but still no go. I am not getting anything on pin 38 of either AY8910 and seems both are just sitting there doing nothing what so ever. Sound eproms data/address lines all look healthy and running as normal but for the life of me can't work this one out
I have 2 of these pcbs doing the same thing
Any ideas?
Thought i would have a look at this Kung Fu Master ive had for awhile
Works fine but no sound
Amp side of things is working fine but it seems that from the sound cpu to the AY8910 nothing is going on. I get healthy activity from sound cpu and the IRQ is working correctly but thats about it changed out both AY8910 as i had these fail in the past and do odd things like this before but still no go. I am not getting anything on pin 38 of either AY8910 and seems both are just sitting there doing nothing what so ever. Sound eproms data/address lines all look healthy and running as normal but for the life of me can't work this one out
I have 2 of these pcbs doing the same thing
Any ideas?
