USB DOWN STREAM
U
S
B
D
O
W
N
S
T
R
E
A
M
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
5
OC
6
OUT_1
7
OUT_2
8
OUT_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)
1
2
3
4
5
USB_DM3
USB_DP2
D4302
RCLAMP0502BA
C4322
10uF
10V
C4310
10uF
10V
JK4302
3AU04S-305-ZC-(LG)
1
2
3
4
5
IC4306
TPS2066CDGNR
3
EN1
2
IN
4
EN2
1
GND
5
FLT2
6
OUT2
7
OUT1
8
FLT1
9
[EP]GND
JK4400
SJ113262
1
VBUS
2
D-
3
D+
4
GND
5
STDA_SSRX-
6
ST
7
GND_DRAIN
8
STDA_SSTX-
9
ST
10
SHIELD
OCP USB1
OCP USB2/3
USB2 (2.0)
MAX 1.0A
USB3 (2.0)
MAX 1.0A
USB1 (3.0)
MAX 1.2A
BSD-NC4_H044-HD
2012-11-09
USB JACK
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 55EA8800
Page 51: ......
Page 56: ...H13 Block diagram ...
Page 62: ...Interconnection 1 55EA9800 PCBs 1 Main PCB 2 PSU 1 2 3 WIFI ASSY ...
Page 90: ...Appendix Exchange the Module 1 수직 비내림 Line Dim Brightness difference ...
Page 91: ...Appendix Exchange the Module 2 Angle view Color difference Brightness dot noise Half dead ...