Charging Circuit - LG DP381B Service Manual

MAIN ELECTRICAL TROUBLESHOOTING GUIDE

4. CHARGING CIRCUIT

No turn on Red LED
YES
Is L27 OK?
YES
Is IC(U14) OK?
YES
Is Q29 OK?
YES
Is U15 OK?
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Only for training and service purposes
NO
Is 8.4V of J9 RED Pin.
NO
Replace L27.
NO
Replace IC(U14).
NO
Replace Q29.
NO
Replace IC(U15).
3-17 LGE Internal Use Only