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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
1-18 (No.YD119)
Motor
NO
driver MUTE pin
is high?
Is SLED_S
DC Level higher than
1.65V?
SLED+
and SLED- output
properly?
Check the cable connection
with MECHA.
Proper
NO
FOCUS_S outputs to
motor driver?
Proper
FACT+ & FAC
toutputs?
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 ZR36888 and motor driver.
YES
NO
YES
MUTE signal.
Check the related circuit of
FMSO.
Check the amp circuit on
motor driver.
Check the amp circuit on
motor driver.
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