Usb - LG MDV902 Service Manual

3. USB

TURN ON USB
"SEARCHING" OR
"USB" DISPLAY CHECK
READING OK CHECK
OK
YES
YES
YES
NO
CHECK THE POWER SUPPLY CIRCUIT.
(CHECK CN709)
CHECK THE HRST# SIGNAL
CHECK THE USB PART AND
DVD PART LINE.
NO
CHECK THE USB JACK POWER SUPPLY.
(CHECK P4302)
CHECK THE USB DATA LINE. (P4302)
CHECK THE IC501 (ES8381).
(CHECK USB DATA LINE PIN 122,123)
4-7
NO
NO
NO
NO