Samsung DVD-P355B/XEU Service Manual page 28

Troubleshooting
No pick-up home positing
ZIC1-191(SLED-PWM)
output is normal?
FIC1-13, 14 output are
Check the Sled Motor and connection.
5-2
No
(1.7V ~ 1.8V)
Yes
SLED+, SLED-
No
normal?
Yes
Check ZIC1.
Check FIC1.
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