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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.
YES
Optical Lens
is moving for searching
Focus?
YES
C
NO
Limit SW signal
on P4407 is LOW?
YES
SLED signal is OK?
YES
Check the cable
connection with MECHA.
NO
Proper Focus
outputs to motor
driver?
YES
Proper F+&F-
outputs?
YES
Check cable connection
with pick-up head.
NO
NO
NO
NO
- 4-3 -
Check the MD
Check the related circuit of SLED
and Motor driver IC (IC401)
Check Focus connection on ES8381
and motor driver IC.
Check the motor driver (IC401).
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