LG 42PT200 Service Manual page 56

Trouble Shooting Guide
Check USB 2.0 Cable for damage or open
conductors
Y
Check JK702
Y
Check L703 voltage level 5V
Y
Check IC701
Y
Replace Mstar IC
• Exception
- USB power could be disabled by inrushing current
- In this case, remove the device and try to reboot the TV (AC power off/on)
Great Company Great People
N
Replace JK702
N
Replace L703
N
Replace IC701
USB Audio