Open Colose Ng - LG LPC-LM340X Service Manual

• OPEN COLOSE NG

CONNECTOR LOCKING CHECK
YES
CHECK LOING CHECK (CN605, CN302)
YES
CHECK POWER SUPPLY CIRCUIT (CN603, CN302)
PN508 PIN8 = 6.2V, PIN7 = 5V, PN507 PIN1=5V
YES
CHECK VOLTAGE CHANGE LO+, LO- OF IC503
NO
CHECK THE(SW502)
NO
DEFECTIVE MAIN
POWER SUPPLY
NO
DEFECTIVE IC503
NO
DEFECTIVE MICOM
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MECHANISM