6. Abnormal Auto adjustment
Check the input of 3.3Vp-p pulse from I401 pin C11, C10, B11, A11, B10, A10
NG
OK
Proceed "Checking the resolution change IC movement" section.
1) Printed wire broke between I401 pin B11 and I201 pin2.
2) Printed wire broke between I401 pin A11 and I201 pin3.
3) Printed wire broke between I401 pin B10 and I201 pin4.
4) Printed wire broke between I401 pin A10 and I201 pin5.
5) Printed wire broke between I401 pin C10 and I201 pin6.
6) Printed wire broke between I401 pin C11 and I201 pin7.
6-11
Failure point