LG LAN-8680MH Service Manual page 77

• SLIDING/TILTING FAILURE
SLIDING/TILTING FAILURE.
REPLACE BOTTOM CHASSIS.
YES
MOTOR
CONNECTOR IS
CONNECTED
NORMAL?
YES
SLIDING KEY
INPUT IS NORMAL?
(IC417 PIN29,30
T603,604).
YES
PHOTO INTERRUPT
SIGNAL INPUT IS
NORMAL? (IC417
PIN4/5 T706.707).
YES
MOTOR DRIVING
SIGNAL INPUT IS
NORMAL?(CN302
PIN 1,2).
YES
MOTOR DRIVING
IC WORKS
NORMAL?(IC303
PIN 4/7/9/13).
YES
SLIDING MICOM
IC WORKS
NORMAL? (IC417
PIN 15/19).
YES
NO
CONNECT
SLIDING MOTOR.
NO SLIDING KEY
INPUT CHECK
(CN103 PIN5,6).
NO
PHOTO
INTERRUPTER
CHECK (Q101,Q102).
CONFIRM WHETHER
NO
MOTOR CABLE OR
MOTOR IS
BADNESS.
NO
CONFIRM WHETHER
IC303 IS BADNESS.
NO NO
IC417 DEFECTIVE
CHECK.
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