LG DP132 Service Manual page 27

ELECTRICAL TROUBLESHOOTING GUIDE
B
Does
the SLED move
to inner side when it is
at outter position?
YES
Do not put in disc
and tray close.
Optical Lens
has movements for
searching
focus?
YES
C
Motor
NO
Driver DMEA
Pin is High?
Is SPDCO
DC Level Higher
than 1.65V?
SP+
& SP- output
properly?
Check the cable
connection with MECHA.
Proper
NO
FCO outputs to
motor driver?
Proper
FOC+ & FOC-
outputs?
Check cable connect on
with pick-up head.
3-14
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Check the connection
line of DMEA signal.
Check the related
circuit of SCO
Check the amp
circuit on motor driver.
Check FCO
connection on SPHE8202RQ-D
and motor driver.
Check the amp
circuit on motor driver.