Double Usb Function - LG CJ65 Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE

10. DOUBLE USB FUNCTION

USB FUNCTION
YES
Plug-in USB device.
YES
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-/D+
(R383, 384).
Check IC500
(Pin U7, U8/ A7, A8).
3-26
NO
YES
NO
YES
NO
Check CON301.
Check USB jack
(JK301/ JK302).
Replace IC500.