42LK450 (CHASSIS:LJ01M) - LG TV Service Manual (repair manual). Page 31

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.

D2404

5.6V

EYEQ/TOUCH_KEY

C7600
0.1uF
16V

19-22_LAMP

D7600

5.6V

19-22_LAMP

C906
18pF
50V

OPT

R2414

1.5K

R2428

22

JP2407

SENSOR_SCL

SENSOR_SDA

L2403

BLM18PG121SN1D

R2431

47K

OPT

D7601

5.6V

19-22_LAMP

D2402

5.6V

AMOTECH

D903

5.6V

CDS3C05HDMI1

NEW_SUB

C2408
18pF
50V

OPT

C2402

0.1uF

Q2405

2SC3052

OPT

E

B

C

+3.5V_ST

LED_R/BUZZ

R2401
100

Q2406

2SC3052

OPT

E

B

C

C2407
100pF

50V

KEY2

C7601
0.1uF
16V

19-22_LAMP

L7601

BLM18PG121SN1D

19-22_LAMP

C2410

0.1uF

16V

OPT

C2405

0.1uF

16V

S/T_SCL

JP2409

+3.5V_ST

+3.5V_ST

+3.5V_ST

+3.5V_ST

C2409
18pF
50V

OPT

LED_B/LG_LOGO

D2405

5.6V

R2429

47K
OPT

R2425

47K
OPT

C2403

0.1uF

16V

R2402
100

S/T_SDA

C2406

1000pF

50V

JP2408

P7600

12507WR-03L

19-22_LAMP

1

2

3

4

R2412

100

EYEQ/TOUCH_KEY

P2401

12507WR-12L

OLD_SUB

1

2

3

4

5

6

7

8

9

10

11

12

13

C2401

0.1uF

R2413

1.5K

IR

D2403

5.6V

EYEQ/TOUCH_KEY

L2404

BLM18PG121SN1D

R2411
100

EYEQ/TOUCH_KEY

L7600

BLM18PG121SN1D

19-22_LAMP

R2405

10K

1%

D902

5.6V

CDS3C05HDMI1

NEW_SUB

L2402

BLM18PG121SN1D

JP2410

+3.3V_Normal

C907
18pF
50V

OPT

R2427
0

KEY1

P2402

12507WR-15L

NEW_SUB

1

2

3

4

5

6

7

8

9

10

11

12

13

14

16

15

R2426

47K

R2416

10K

OPT

JP2411

C2404

1000pF

50V

R2404

10K

1%

D2401

5.6V

AMOTECH

R2430

10K

OPT

L2401

BLM18PG121SN1D

6

IR/CONTROL

S7LR.Small

2011.03.02.

IR & LED

CONTROL