42LN548C, 42LN549C, 42LP360H, 42LP361H (CHASSIS:LD3AC) - LG TV Service Manual (repair manual). Page 27

1000pF

50V

C603

+3.5V_ST

LED_R

0 . 1 u F

16V

C602

10K

1%

R603

100pF

50V

C604

0 . 1 u F

C609

CONTROL_FILTER

+3.5V_ST

0 . 1 u F

C608

CONTROL_FILTER

+3.5V_ST

22

R604

10K

1%

R602

KEY1

47K

R607

IR

KEY2

5.6V

D603

BLM18PG121SN1D

L601

CONTROL_FILTER

BLM18PG121SN1D

L602

CONTROL_FILTER

BLM18PG121SN1D

L600

22

IR_OUT

R605

+3.5V_ST

+3.5V_ST

47K

IR_OUT

R612

IR_OUT

10K

IR_OUT

R609

0

R611

OPT

2SC3052

IR_OUT

Q600

E

B

C

2SC3052

IR_OUT

Q601

E

B

C

12507WR-08L

P600

1

2

3

4

5

6

7

8

9

10K

IR_OUT

R606

47K

IR_OUT

R608

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.

0

CONTROL_NO_FILTER

R614

0

CONTROL_NO_FILTER

R615

1.8K

R610

6

IR/CONTROL

IR & LED

CONTROL

IR OUT

2013 S7LR2

2 0 1 2 . 1 1 . 1 2