Read LG 50PX950N-ZA / 50PX960-ZA (CHASSIS:PD02D) Service Manual online
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USB Trouble Shooting
Check USB 2.0 Cable for damage or open
conductors
Check IC1101/2 voltage level 5V
Y
N
Replace IC1101/2
Check P1101/2
Replace P1101/2
Y
N
Replace BCM3556CP (IC100)
Y
• 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)
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