LG DP270B Service Manual page 25

MAIN ELECTRICAL TROUBLESHOOTING GUIDE
* CHARGEING CIRCUIT
No turn on Red LED
Is L601 OK?
Is IC(U601) OK?
Is L602 OK?
Is U603 OK?
YES
YES
YES
YES
NO
Is 8.4V of J602_Pin 1 OK?
NO
Replace L601.
NO
Replace IC(U601).
NO
Replace L602.
NO
Replace IC(U603).
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