47LD455B, 47LD455H (CHASSIS:LC01W) - LG TV Service Manual (repair manual). Page 33

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.

2SC3052

Commercial_EU

Q2401

E

B

C

KEY2

100

R2412

EYEQ/TOUCH_KEY

22

Commercial

R2403

+3.5V_ST

47K

Commercial

R2408

1000pF
50V

OPT

C2408

47K

Commercial

R2409

+3.5V_ST

0 . 1 u F

16V

C2405

0 . 1 u F

C2402

AMOTECH

5.6V

D2401

47K

Commercial_EU

R2406

100

R2402

100pF

50V

C2407

1000pF

50V

C2404

BLM18PG121SN1D

L2402

0 . 1 u F

C2401

LED_R/BUZZ

+3.3V_Normal

+3.5V_ST

1000pF

50V

C2406

100

R2410

0 . 1 u F

16V

C2410

OPT

100

R2401

LED_B/LG_LOGO

1000pF
50V

OPT

C2409

10K

Commercial_EU

R2407

+3.5V_ST

KEY1

BLM18PG121SN1D

L2403

BLM18PG121SN1D

L2401

100

R2411

EYEQ/TOUCH_KEY

0 . 1 u F

16V

C2403

10K

R2416

OPT

2SC3052

Commercial

Q2402

E

B

C

BLM18PG121SN1D

L2404

IR_OUT

AMOTECH

5.6V

D2402

0

R2422

Commercial_US

10K

1%

R2404

10K

1%

R2405

22

R2417

WIRELESS

10K

R2418

WIRELESS

47K

R2419

WIRELESS

IR_PASS

47K

R2420

WIRELESS

2SC3052

Q2403

WIRELESS

E

B

C

47K

R2421

WIRELESS

2SC3052

Q2404

WIRELESS

E

B

C

+3.5V_ST

+3.5V_ST

12507WR-12L

P2401

1

2

3

4

5

6

7

8

9

10

11

12

13

47K

R2425

2SC3052

Q2406

E

B

C

47K

R2429

10K

R2430

47K

R2431

22

R2428

+3.5V_ST

2SC3052

Q2405

E

B

C

+3.5V_ST

IR

+3.5V_ST

3.3K

OPT

R2426

0

OPT

R2427

NEC_EEPROM_SCL

NEC_EEPROM_SDA

1.5K

R2414

1.5K

R2413

JP2407

JP2408

JP2409

JP2410

JP2411

5 . 6 B

D2403

5 . 6 B

D2404

5 . 6 B

D2405

CONTROL

IR & LED

IR & LED

c l o s e   t o   w a f e r

Z e n e r   D i o d e   i s

GP2_Saturn7M

COMMERCIAL

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WIRELESS

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