LG 42LB5800 Service Manual page 36

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