47LN549E, 47LP620H (CHASSIS:LB3AZ) - LG TV Service Manual (repair manual). Page 30

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.

BLM18PG121SN1D

L601

10K

1%

R622

0 . 1 u F
16V

C608

+3.5V_ST

12507WR-08L

P600

1

2

3

4

5

6

7

8

9

BLM18PG121SN1D

L600

10K

1%

R620

1.8K

R629

BLM18PG121SN1D

L602

0 . 1 u F
16V

C609

1000pF

50V

C603

KEY1

0 . 1 u F

16V

C602

LED_R/BUZZ

KEY2

+3.5V_ST

2SC3052

Q604

E

B

C

+5V_ST

10K

R618

2SC3052

Q600

E

B

C

5.48VTO5.76V 

ZD600

10K

R616

10K

R607

NEC_IR

IR_OUT_HDMI1

10K

R609

30K

R601

30K

R602

30K

R600

IR_OUT_HDMI2

2SC3052

Q601

E

B

C

+5V_ST

2SC3052

Q608

E

B

C

10K

R610

2SC3052

Q602

E

B

C

IR_OUT_SIDE_HDMI

IR_OUT_CTRL

10K

R611

100pF

50V

C606

2SC3052

Q603

E

B

C

10K

R619

10K

R617

+3.5V_ST

2SC3052

Q605

E

B

C

+5V_ST

2SC3052

Q606

E

B

C

47K

R624

IR_OUT_RS232C

47K

R623

+5V_ST

100

R614

1K

R613

1K

R612

+3.3V_Normal

18pF
50V

OPT
C607

SENSOR_SCL

SENSOR_SDA

12507WR-10L

P601

IR_10PIN

1

2

3

4

5

6

7

8

9

10

11

18pF
50V

OPT

C612

100

R630

IR & LED

CONTROL

2 0 1 2 . 1 1 . 0 5

6          

 EMEA INTERACTIVE

IR/CONTROL

LP63xH-ZA