LG DP351G Service Manual page 20

MAIN ELECTRICAL TROUBLESHOOTING GUIDE
G. OPEN/CLOSE ABNORMAL
OPEN/CLOSE abnormal
YES
Check SW201, SW202 switch
YES
Check IC(U201) Pin92
YES
Refer to SERVO part.
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Only for training and service purposes
NO
Check the connectin of MD.
Refer to SERVO part.
3-13
YES
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