47LX9550-CA (CHASSIS:LC03M) - LG TV Service Manual (repair manual). Page 39

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.

WIRELESS

BCM_RXD1

R8705
2.2K

C8702

0.01uF

50V

+3.5V_ST

JK8700

KJA-PH-3-0168

14

GND_3

13

I2C_SDA

5

VCC[24V/20V/17V]_5

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]_6

15

UART_RX

20

GND_6

21

SHIELD

TP8700

+24V

R8700

0

NON_3DTV

C8701

2.2uF

R8711

4.7K

OPT

C8703

0.1uF

R8713

1K

IC8700

MC14053BDR2G

WIRELESS

3

Z1

2

Y0

4

Z

1

Y1

6

INH

5

Z0

7

VEE

8

VSS

9

C

10

B

11

A

12

X0

13

X1

14

X

15

Y

16

VDD

R8704
22K

R8712

47K

OPT

R8706
0 NON_WIRELESS

R8708

0

NON_3DTV

C8700
0.1uF
50V

WIRELESS_TX

WIRELESS_SCL

R8714

10K

TP8701

R8707

0

WIRELESS

WIRELESS_DL_RX

+3.3V_NORMAL

+3.5V_ST

IR_PASS

R8701

0

WIRELESS

WIRELESS_DETECT

R8702
10K

WIRELESS_RX

R8703

0

NON_WIRELESS

WIRELESS_PWR_EN

Q8700

E

B

C

WIRELESS_SW_CTRL

BCM_RX

BCM_TX

Q8701

AO3407A

G

D

S

WIRELESS_RX

WIRELESS_TX

BCM_TXD1

WIRELESS_DL_TX

WIRELESS_SDA

C8704
10uF
35V

C8705
10uF
35V

L8700

MLB-201209-0120P-N2

RS232C & Wireless

LOW

WIRELESS_SW_CTRL

Wireless power

WIRELESS Dongle connect --> WIRELESS RS232

HIGH

SELECT PIN

WIRELESS Dongle Dis_con --> S7 RS232

X0/Y0/Z0

X1/Y1/Z1

WIRELESS READY MODEL

STATUS

12