Usb Part - LG MBD62I Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE OF DVD PART

3. USB PART

TURN ON USB
"Checking" or
"USB" display check
YES
Reading OK check
YES
OK
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Only for training and service purposes
NO
Check the POWER supply circuit.
(Check P7905)
Check the HRST# signal
Check the USB PART and
DVD PART line.
NO
Check the USB JACK POWER supply.
(Check P5301)
Check the USB DATA LINE. (P5301)
Check the IC501 (ES8380).
Check DATA LINE
PIN 97 (USB-No), 98 (USB-Po)
3-21
YES
YES
YES
YES
LGE Internal Use Only