Open Close Ng - LG LX-M230A Manual

• OPEN CLOSE NG

CONNECTOR LOCKING CHECK ( PN508,PN507 )
YES
CHECK POWER SUPPLY CIRCUIT( PN508
,PN507) PN 508 PIN 8 = 6.2V, PIN 7 = 5V
PN507 PIN 1 = 5V
YES
CHECK VOLTAGE CHANGE OF OPEN CLOSE,
AND BTLMUTE VOLTAGE(= 5V)
(PN507 PIN 12:OPEN, 13:CLOSE, 14:BTLMUTE)
YES
CHECK VOLTAGE CHANGE LO+, LO- OF IC503
(PN507, PIN OPEN:12, CLOSE:13)
NO
NO
NO
NO
- 2-3 -
DEFECTIVE MAIN
POEWR SUPPLY
DEFECTIVE MICOM
DEFECTIVE IC503
DEFECTIVE MICOM
MECHANISM