USB DOWN STREAM
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.
USB1/2
2014-11-12
43
LM15U
D4301
5V
USB_ESD_SD05
USB_DP2
R4301
0
C4323
22uF
10V
USB_DP1
USB_DM1
R4300
0
USB_DM2
D4302
RCLAMP0502BA
C4322
10uF
10V
+5V_USB_1
+5V_USB_2
JK4302
3AU04S-305-ZC-(LG)
1
2
3
4
5
SSUSB_TXN
D4305
6.5VTO11.0V
RCLAMP0544T.TCT
USB3.0_TVS
1
8
2
7
3
6
4
5
9
C4312
22uF
10V
SSUSB_RXP
USB_DM3
C4313
10uF
10V
JK4301-*1
5205-56209
[OPT]CLPLUS_USB3.0_JACK
1
VBUS
2
D-
3
D+
4
GND
5
STDA_SSRX-
6
ST
7
GND_DRAIN
8
STDA_SSTX-
9
ST
10
SHIELD
SSUSB_TXP
+5V_USB_3
JK4301
SJ113262
JAE_USB3.0_JACK
1
VBUS
2
D-
3
D+
4
GND
5
STDA_SSRX-
6
ST
7
GND_DRAIN
8
STDA_SSTX-
9
ST
10
SHIELD
ZD4302
5V
+5V_USB_3_DIODE
USB_DP3
SSUSB_RXN
D4304
6.5VTO11.0V
RCLAMP0544T.TCT
USB3.0_TVS
1
8
2
7
3
6
4
5
9
IC4300
BD2242G
3
EN
2
GND
4
OC
1
VIN
6
VOUT
5
ILIM
R4305
4.7K
+5V_USB_3
R4306
14K
1%
+3.3V_NORMAL
+5V_NORMAL
R4304
10K
USB_CTL3
/USB_OCD3
C4300
0.1uF
16V
USB1->USB3
MAX 1.0A
+5V_USB FOR USB3->USB1
USB2
Delate
USB3->USB1 (3.0)
MAX 1.2A
OCP USB3->USB1
Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
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