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
+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
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
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
ZD4301
5V
OPT
5V
ZD4302
OPT
ZD4300
5V
OPT
C4301
10uF
10V
C4310
10uF
10V
C4322
10uF
10V
C4337
10uF
10V
C4400
10uF
10V
C4501
10uF
10V
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