No Disc recognition
(DVD Section)
LD is outputted
No
D
from object lens at
play key input?
Yes
No focus incoming and
no disc occurs.
C
No focus incoming
(DVD Section)
C
FE in SIC1-25
No
is within specified range?
Yes
No
SIC3-26, 27 output
are normal?
Yes
Check open state from
SIC3 to pick-up.
Check RIC1 and A, B, C, D input.
Check SIC3.