42LS3400, 42LS349C (CHASSIS:LA25C, LA21B) - LG TV Service Manual (repair manual). Page 55

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S

B

 

D

O

W

N

 

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T

R

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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.

USB_OCP_DIODE_1EA

2011/11/18

52

GP4L_S7LR2

IC1450

AP2191DSG

EAN61849601

3

IN_2

2

IN_1

4

EN

1

GND

5

FLG

6

OUT_1

7

OUT_2

8

NC

SIDE_USB1_DM

C1453
0.1uF

C1452
10uF
10V

USB1_CTL

R1455

4.7K

OPT

R1454

10K

L1451

CIS21J121

+3.3V_Normal

SIDE_USB1_DP

+5V_USB

C1451
22uF

16V

R1451

47

JK1450

3

A

U

0

4

S

-

3

0

5

-

Z

C

-

(

L

G

)

USB_1_NORMAL

1

2

3

4

5

L1451-*1

MLB-201209-0120P-N2

120-ohm

USB1_OCD

D1451
RCLAMP0502BA

OPT

R1458

2K

1/8W

5%

OPT

R1459

2K

1/8W

5%

OPT

JK1450-*1

3AU04S-345-ZC-H-LG

USB_1_32LS3500

1

2

3

4

5

USB (SIDE)

$0.0665

USB1_DIODES