50PZ950-UA, 50PZ950U-UA (CHASSIS:PU12A) - LG TV Service Manual (repair manual). Page 24

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.

SIGN52200

R1005

33

R1002

22K

R1008

10K

SCL2_3.3V

WIRELESS_SCL

IR_PASS

WIRELESS_SDA

R1006

33

C1001
0.1uF
50V

R1001

10K

WIRELESS_SDA

R1007

1K

C1003

0.01uF

50V

WIRELESS_PWR_EN

WIRELESS_SCL

+3.3V_Normal

Q1002

AO3407A

G

D

S

SDA2_3.3V

JK1001

KJA-PH-3-0168

14

GND_3

13

I2C_SDA

5

VCC(24V/20V/17V)_1

12

I2C_SCL

11

GND_2

2

VCC(24V/20V/17V)_2

19

GND_5

18

IR

10

RESET

4

VCC(24V/20V/17V)_4

1

VCC(24V/20V/17V)_1

17

GND_4

9

GND_1

8

INTERRUPT

3

VCC(24V/20V/17V)_3

16

UART_TX

7

DETECT

6

VCC(24V/20V/17V)_1

15

UART_RX

20

GND_6

21

SHIELD

WIRELESS_DET

R1003
2.2K

P_17V

+3.3V_ST

IR_PASS

R1012
47K

R1009

47K

R1013

22

+3.3V_ST

IR_OUT

R1011

10K

R1010

47K

R1014

0

OPT

Q1003
2SC3052

E

B

C

Q1004
2SC3052

E

B

C

C1002

2.2uF

L1000

MLB-201209-0120P-N2

Q1001

MMBT3904(NXP)

E

B

C

Wireless I2C connection with I2C_1

10

BCM35230

Wireless power

WIRELESS READY MODEL

Address : 0X20

WIRELESS

31

WIRELESS