LG 60UH7700 Service Manual page 51

USB3.0
MAX 1.5A
USB3.0_DIODE_NXP_MAIN
D4400
IP4294CZ10-TBR
1
R4401
2.2
USB3_DP0
2
R4400
2.2
USB3_DM0
3
4
USB3_RXM0
5
USB3_RXP0
1
USB3_TXM0
2
USB3_TXP0
3
4
5
D4401
IP4294CZ10-TBR
USB3.0_DIODE_NXP_MAIN
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
+5V_USB_3_0
C4401
C4400
10uF
10uF
10V
10V
FOR 1.2T PCB
USB3.0_FREEPORT_1.2T
3AG009S-106N3R6003(1.2T PCB)
EAG63374205
VBUS
1
10
D-
2
9
D+
3
8
GND
4
7
STDA_SSRX-
5
6
STDA_SSRX+
6
GND_DRAIN
7
10
STDA_SSTX-
8
9
STDA_SSTX+
9
8
EAH61515001 EAH61515001
USB3.0_DIODE_SEMTECH_SUB
USB3.0_DIODE_SEMTECH_SUB
D4400-*1
D4401-*1
1 10 1 10
7
SHIELD
2 9
2 9
3 8
3 8
6 4 7 4 7
5 6
5 6
USB3.0_CNPLUS_1.2T
JK4400
JK4400-*1
SJ113262
EAG63374201
VBUS
1
D-
2
D+
3
GND
4
STDA_SSRX-
5
STDA_SSRX+
6
value change
GND_DRAIN
7
10K(2.63V) --> 4.7K(2.97V)
STDA_SSTX-
/USB_OCD3_0
8
STDA_SSTX+
USB_CTL3_0
9
10 R4402
10
10K
SHIELD
FOR 1.6T PCB
USB3.0_CNPLUS_1.6T
JK4400-*2
5205-56209
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
OCP USB3.0
+3.3V_NORMAL
+5V_NORMAL
USB1_OCP_TAEJIN_MAIN
IC4400
TAEJIN TECHNOLOGY CO., LTD.
IN OUT
R4403
1 6
4.7K
C4402
GND ILIMIT
EAN64148901
0.1uF 2 5
16V
EN FLAG
3 4
OCP Current Limit 1.5A
ROHM : 14K
TAEJIN : 9.1K
IC4400-*1
BD2242G
VIN VOUT
1 6
GND ILIM
2 5
USB1_OCP_ROHM_SUB
EN OC
3 4
K2H
USB 2 & 3
+5V_USB_3_0
043.sht
2015.02.11
15 26
LGE Internal Use Only