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B
Does the
SLED move
to inner side when it is at
outer position?
YES
Do not put in disc and
tray close.
Optical Lens has
movements for searching
Focus?
YES
C
Motor
NO
driver DRVSB pin
is high?
Is SLED_S
DC Level higher than
1.4V?
SL+
and SL- output
properly?
Check the cable connection
with MECHA.
Proper
NO
FOCUS_S outputs to
motor driver?
Proper
F+ & F-
outputs?
Check cable connect on
with pick-up head.
Check the connection line of
NO
YES
NO
YES
NO
YES
Check FOCUS_S connection
NO
on ZR966 and motor driver
YES
NO
YES
DRVSB signal.
Check the related circuit of
Sled_S.
Check the amp circuit on
motor driver.
Check the amp circuit on
motor driver.
(No.YD118)1-17
.
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