Goldstar LWC061JGMK1 Service Manual page 22

Possible Trouble 5
Is the voltage of Battery
about over 2.3V?
YES
Is the voltage No.10
of CN-DISP2 on Main P.W.B
Ass'y DC 5V?
YES
Is the connection of
CN-DISP2 all right?
YES
• Exchange Receiver Ass'y.
Possible Trouble 6
Is the IC01G all right?
YES
NO
Is the connection of
CN-DISP2 all right?
YES
Does the Q12G,
Q13G, Q14G operate normally
on main P.W.B Ass'y?
YES
• Exchange the display
P.W.B Ass'y.
• Romote controller does not operate.
(only for M-5400, M-6000, M-7000)
NO
NO
NO
• It displays abnormally on Display P.W.B Ass'y.
NO
NO
NO
—22—
• Exchange the battery.
• Check the P.W.B pattern.
• Connect connector to
CN-DISP2 exactly.
• Exchange IC01G.
• Connect connector
to CN-DISP2 exactly.
• Exchange Q12G,
Q13G, Q14G