LG 50UH5500 Service Manual page 52

10K(2.63V) --> 4.7K(2.97V)
/USB_OCD1
USB_CTL1
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright 2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes
OCP USB2_2.0
+3.3V_NORMAL
+5V_USB_1
EAN62871401
USB_REAR
+5V_NORMAL IC4301
BD2242G
USB_REAR
VIN VOUT
R4303
1 6
4.7K
USB_REAR
value change
C4301
GND ILIM
0.1uF 2 5
16V
EN OC
3 4
R4301
10K
USB_REAR
USB2.0 2Port
USB1
+5V_USB_1
MAX 1.0A
USB-STRAIGHT
(Rear Jack)
JK4302
US-04A-VSD
USB_REAR
USB_REAR
R4309 2.2
2
USB_DM1
USB_REAR 1
R4308 2.2
3
USB_DP1
C4322 C4323
4
10uF 10uF
10V
10V
5
USB_REAR USB_REAR
JP4300
JP-BLOCK-USB
DM VBUS
DP GND
K2L 2015-04-27
13
USB2.0 jack
LGE Internal Use Only