Audio probes and clone theory pedal part two

[orange418]

Hi~ I posted earlier about my clone theory and what I was supposed to hear with the audio probe.. On the RC4558 nb chip closest to the input , theres clean audio on pin 1, 5 and 7 , on pin six there is a high pitched squeal...On the SAD I get clean audio on pin 2, 11, 12 and 15, high pitched squeals on pins 3,5,6,8,10,14, On the dual flip flop 4047 I get high pitched squeals on 1, 3 , 11.. On the last rc45558nb chip I get only high pitched queals on 2,and 5, nothing else...Basically I named what I heard from each chip if the there wasn't a sound given I heard nothing from that pin...I m sure that all the caps are okay but when I probe around even on the legs of the rate pot  I get a squeal... Hmmm.. I'm confused.. Can anyone help? Also I left a copy of the schematic in a link...thanks .http://experimentalistsanonymous.com/diy/Schematics/Chorus/Electro%20Harmonix%20Clone%20Theory%20SAD1024.jpg