
- 19 -
LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
8. USB No storage
Check USB device
Check USB 5V DCDC IC
IC405 output voltage : 5V
Check USB 5V OCP IC
IC406 output voltage : 5V
Replace USB 5V DCDC IC
IC405
Replace R700, R701
Replace USB Jack (JK700)
or Main IC (IC101)
Check USB signal
R700, R701
Replace USB 5V OCP IC
IC406
Replace Main IC (IC101)
or Main Board
Check Component signal Pr
ZD2806, ZD2807,
R2801, R243
Replace IC101 or Main Board
NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
Summary of Contents for 65UX340C Series
Page 46: ......