U
S
B
D
O
W
N
S
T
R
E
A
M
USB DOWN STREAM
THERMAL
THERMAL
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
USB_CTL2
/USB_OCD2
/USB_OCD3
JK4302
3AU04S-305-ZC-(LG)
1
2
3
4
5
USB_DP3
USB_DP2
USB_DM2
USB_CTL3
R4301
10K
+5V_USB_2
R4302
10K
JK4300
3AU04S-305-ZC-(LG)
1
2
3
4
5
C4302
0.1uF
16V
+5V_USB_3
USB_DM3
+5V_NORMAL
+5V_USB_2
+3.3V_NORMAL
+5V_USB_3
C4301
10uF
10V
C4337
10uF
10V
C4322
10uF
10V
C4310
10uF
10V
IC4306
TPS2066CDGNR
USB2/3_OCP_TI
3
EN1
2
IN
4
EN2
1
GND
5
FLT2
6
OUT2
7
OUT1
8
FLT1
9
[EP]GND
IC4306-*1
DIODES TAIWAN INC
USB2/3_OCP_DIODES
3
EN1
2
IN
4
EN2
1
GND
5
FLG2
6
OUT2
7
OUT1
8
FLG1
9
[EP]GND
R4303
2.2
USB_Serial_2.2ohm
R4304
2.2
USB_Serial_2.2ohm
R4305
2.2
USB_Serial_2.2ohm
R4306
2.2
USB_Serial_2.2ohm
C4500
0.1uF
16V
R4500
10K
OPT
+5V_USB_1
R4501
10K
IC4500
AP2171DM8G
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
JK4500
3AU04S-305-ZC-(LG)
1
2
3
4
5
/USB_OCD1
USB_DP1
+5V_NORMAL
USB_CTL1
C4501
10uF
10V
USB_DM1
+5V_USB_1
C4502
10uF
10V
+3.3V_NORMAL
R4502
2.2
USB_Serial_2.2ohm
R4503
2.2
USB_Serial_2.2ohm
R4502-*1
0
USB_Serial_0ohm
R4503-*1
0
USB_Serial_0ohm
R4303-*1
0
USB_Serial_0ohm
R4304-*1
0
USB_Serial_0ohm
R4306-*1
0
USB_Serial_0ohm
R4305-*1
0
USB_Serial_0ohm
543
USB2_USB3
2013.11.25
MAX 1.5A
OCP USB2/3
USB2
MAX 1.5A
USB3
OCP USB1
USB1
MAX 1.5A
DVR Ready
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only