55LM5800, 55LM5850 (CHASSIS:LA21B) - LG TV Service Manual (repair manual). Page 31

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USB DOWN STREAM

USB DOWN STREAM

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.

10/08/13

USB_OCP_DIODE

7

GP4_S7LR2

SIDE_USB2_DM

C1452
10uF
10V

C1454
10uF
10V

USB_2

R1451

47

SIDE_USB2_DP

+5V_USB

R1455
4.7K
OPT

+3.3V_Normal

JK1450

3

A

U

0

4

S

-

3

0

5

-

Z

C

-

(

L

G

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USB_1_NORMAL

1

2

3

4

5

IC1450

AP2191DSG

EAN61849601

3

IN_2

2

IN_1

4

EN

1

GND

5

FLG

6

OUT_1

7

OUT_2

8

NC

USB1_OCD

R1457
4.7K

OPT

D1451

RCLAMP0502BA

OPT

C1450

22uF

16V

USB_2

USB2_OCD

R1453

47

USB_2

JK1451

3

A

U

0

4

S

-

3

0

5

-

Z

C

-

(

L

G

)

USB_2_NORMAL

1

2

3

4

5

IC1451

AP2191DSG

EAN61849601

USB_2

3

IN_2

2

IN_1

4

EN

1

GND

5

FLG

6

OUT_1

7

OUT_2

8

NC

+5V_USB

SIDE_USB1_DM

USB1_CTL

SIDE_USB1_DP

C1455
0.1uF

USB_2

L1451

CIS21J121

JK1450-*1

3AU04S-345-ZC-H-LG

USB_1_32LS3500

1

2

3

4

5

R1456
10K

USB_2

L1451-*1

MLB-201209-0120P-N2

120-ohm

JK1451-*1

3AU04S-345-ZC-H-LG

USB_2_32LS3500

1

2

3

4

5

USB2_CTL

+3.3V_Normal

L1450-*1

MLB-201209-0120P-N2

120-ohm

USB_2_BEAD_MAG

D1450

RCLAMP0502BA

OPT

R1454
10K

C1453

0.1uF

L1450

CIS21J121

USB_2_BEAD_SS

C1451

22uF

16V

R1459

2K

1/8W

5%

OPT

R1452

2K

1/8W

5%

OPT

R1450

2K

1/8W

5%

OPT

R1458

2K

1/8W

5%

OPT

USB (SIDE)

$0.077

$0.077

USB2_DIODES

USB1_DIODES