22LU50FD (CHASSIS:LC91M) - LG TV Service Manual (repair manual). Page 28

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.

5V_ST

R2
330

IC1

VOUT

1

2

GND

3

VCC

4

SHIELD

P1

12507WR-08L

1

NC

2

NC

3

GND

4

5V_ST

5

GND

6

IR

7

LED_W

8

LED_R

9

GND

R4
620

LD3

1

2

Q2
2SC3875S(ALY)

E

B

C

Q1
2SC3875S(ALY)

E

B

C

C4
100pF
50V

R5
620

5V_ST

LD2

1

2

5V_ST

C2

47uF
16V

LD1

C3
0.1uF
16V

R1
330

R3
1.8K

C1
0.1uF
16V

L1

CB3216PA501E

EAX58317303

2009.03.11

19/20LU5000 IR

1

1

IR/LED for 22LU50FD-CA