LG 65UG8709 Service Manual page 48

+5V_USB FOR USB3->USB1
OCP USB3->USB1
+3.3V_NORMAL
+5V_NORMAL
R4305
4.7K
C4300
0.1uF
16V
/USB_OCD3
USB_CTL3
R4304
10K
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 © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+5V_USB_3
IC4300
BD2242G
VIN VOUT
1 6
GND ILIM
2 5
EN OC
3 4
+5V_USB_1
USB_DM/DP_2.2ohm
R4300-*1
2.2
USB_DM/DP_2.2ohm
R4301-*1
2.2
USB_DM/DP_0ohm
R4300
0
USB_DM1
USB_DM/DP_0ohm
R4301
0
USB_DP1
C4322 C4323
10uF 22uF
10V
10V
+5V_USB_2
USB_DM/DP_2.2ohm
R4302-*1
2.2
USB_DM/DP_2.2ohm
R4303-*1
2.2
USB_DM/DP_0ohm
R4302
0
USB_DM2
USB_DM/DP_0ohm
R4303
0
USB_DP2
C4310
C4311
10uF 22uF
10V
10V
+5V_USB_3
ZD4302
5V
C4312 C4313
22uF 10uF
10V 10V
USB3.0_TVS
D4304
RCLAMP0544T.TCT
USB_DM3 6.5VTO11.0V
1 8
USB_DP3
2 7
3 6
4 5
SSUSB_RXP
9
SSUSB_RXN
USB3.0_TVS
D4305
RCLAMP0544T.TCT
6.5VTO11.0V
1 8
2 7
3 6
SSUSB_TXP
4 5
SSUSB_TXN
9
USB1->USB3
MAX 1.0A
USB2
MAX 1.0A
USB3->USB1 (3.0)
MAX 1.2A
JK4301
SJ113262
VBUS
1
D-
2
D+
3
GND
4
STDA_SSRX-
5
STDA_SSRX+
6
GND_DRAIN
7
STDA_SSTX-
8
STDA_SSTX+
9
10
SHIELD
LM15U 2014-12-10
43
USB3_HUB
LGE Internal Use Only