JVC TH-A25 - Tracking Servo Does Not Work

(No.MB141)1-23
5.2.7 Tracking Servo Does Not Work
(CD)
(DVD Single) (DVD Dual)
(CD-RW)
Tracking Servo Does not Work
Check Voltage of
PI(pin36 of RIC1) is
normal
Is TE(pin41 of RIC1)
normal?
Check peripheral circuit or RCN1 and
DRIC1
Check connection between PCB
and MECHA
Disc Judgment Error
Check peripheral circuit or RIC1
Change PickUp or RIC1
Change SIC1
Y
Y
N
N
7