USB DOWN STREAM
USB DOWN STREAM
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.

FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS

ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
USB_CTL1
/USB_OCD1
USB3_DM
R4501
10K
USB3_TX0M
+3.3V_NORMAL
+5V_USB_1
+5V_NORMAL
R4500
10K
OPT

IC4500

BD82020FVJ

3
IN_2
2
IN_1
4
EN
1
GND
5OC
6OUT_1
7OUT_2
8OUT_3
C4501
10uF
10V
C4400
10uF
10V
+5V_USB_1
D4401
RCLAMP0502BA
USB3_RX0P
D4402
RCLAMP0502BA
USB3_RX0M
D4400
RCLAMP0502BA
C4500
0.1uF
16V
USB3_DP
USB3_TX0P
+5V_USB_2
+5V_NORMAL
/USB_OCD2
USB_CTL2
R4302 10K
USB_CTL3
C4302
0.1uF
16V
+3.3V_NORMAL
+5V_USB_3 /USB_OCD3
R4301 10K
C4337
10uF
10V
C4301
10uF
10V
USB_DM2
D4300
RCLAMP0502BA
+5V_USB_2
USB_DP3
+5V_USB_3
JK4300
3AU04S-305-ZC-(LG)
1234
5
USB_DM3
USB_DP2
D4302
RCLAMP0502BA
C4322
10uF
10V
C4310
10uF
10V
JK4302
3AU04S-305-ZC-(LG)
1234
5

IC4306

TPS2066CDGNR

3
EN1
2
IN
4
EN2
1
GND
5FLT2
6OUT2
7OUT1
8FLT1
9
[EP]GND
JK4400
SJ113262
1
VBUS
2
D-
3
D+
4
GND
5
STDA_SSRX-
6
STDA_SSRX+
7
GND_DRAIN
8
STDA_SSTX-
9
STDA_SSTX+
10
SHIELD
OCP USB1OCP USB2/3 USB2 (2.0) MAX 1.0AUSB3 (2.0)MAX 1.0AUSB1 (3.0)MAX 1.2A

BSD-NC4_H044-HD

2012-11-09

USB JACK

Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only