Usb Function Check - LG CM2630B Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE

10. USB FUNCTION CHECK

USB function check
Plug-in USB device.
Display "NO USB".
YES
Display "READ".
YES
Display "NO FILE".
YES
Check USB audio file in USB device (MP3, WMA file is playable).
NO
Check USB_5 V.
Check
USB D+/-
L515
Check IC501 (Pin117, 118).
3-13
NO
YES
NO
YES
NO
Check IC362.
Check USB Jack(CN365).
Replace IC501.