Usb Part - LG FA162 Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE OF CD PART

6. USB PART

Turn on USB
YES
Check
"CHECKING" or "USB"
display
YES
Check
Reading OK.
YES
If play,
check audio output.
YES
OK
NO
Check connector
(CN302, JK304)
Check CN103 Pin9: 5.6 V.
Check IC305 Pin3: 5 V.
NO
Check JK304
Pin2 (D-), Pin3 (D+).
Check IC501 (BX8805).
NO
Check JK304
Pin2 (D-), Pin3 (D+).
Check IC501 (BX8805).
3-23
YES
YES
YES
YES