Please can you help me to understand the effect of c22&r24&c18&d1&d2&r16&c14&r8&r3 in the control loop circuit as in schematic
thanks

 

This does not look like any servo I've ever seen....I think you must have some mistakes in you schematic layout.

 

This does not look like any servo I've ever seen....I think you must have some mistakes in you schematic layout.

i use this kind of control loop in my work and i am sure that it work 100 %

 

i use this kind of control loop in my work and i am sure that it work 100 %

The loop at work may work, but the schematic you provided doesn't make sense.