Trying to fix the sound board in my Cosmic Princess. Only getting one sound effect, and it is a very simple spund wave. Had a look at the Techdose.com article, but I'm no engineer. I've repinned the 5V connector from the MPU, replaced chips U1-4 and U17&18. Getting the following readings
CP SB100-C1
Tp1 4.86 (4.86 on mpu & 4.93 sdb)
Tp2 0.19 (shld be 2.6)
Tp3 2.54
Tp5 0.21 (shld be 2.6)
Tp6 4.94
Tp7 14.5 ( same on sdb)
I'm thinking the 5V might be too low, or the 4013 U8&9 need replacing. I'm really just guessing, never tried this kind of work before. Any suggestions?