42LT560E-CA (CHASSIS:LC2EC) - LG TV Service Manual (repair manual). Page 27

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.

EXT_SPK

2011/08/13

10

GP4L_S7LR2

R1545

4.7K

EXT_SPK

EXT_AMP_MUTE

EXT_AMP_L

R1523

470K

OPT

EXT_AMP_L_IN

R1537

1K

EXT_SPK

IC2800

AS324MTR-E1

OP_AMP_BCD

3

IN1+

2

IN1-

4

VCC

1

OUT1

6

IN2-

5

IN2+

7

OUT2

8

OUT3

9

IN3-

10

IN3+

11

GND

12

IN4+

13

IN4-

14

OUT4

C1520

10uF

EXT_SPK

C1516

330pF

EXT_SPK

+3.5V_ST

C1513

33pF

EXT_SPK

Q2800

MMBT3904(NXP)

EXT_SPK

E

B

C

R1546

100

OPT

R1517

10K

EXT_SPK

R1540

1K

EXT_SPK

R1543

10K

OPT

R1541
3.3K

EXT_SPK

R1524

2.2K

EXT_SPK

C1522

1uF

EXT_SPK

R1544

100

EXT_SPK

R1542

1K

EXT_SPK

EXT_SPK_R-

009:X24

EXT_SPK_L+

EXT_AMP_L_IN

002:V11

+5V_SUB_AMP

R1525

5.6K

EXT_SPK

R1536

1K

EXT_SPK

R1539

100

EXT_SPK

C1514

33pF

EXT_SPK

C1519

10uF

EXT_SPK

EXT_AMP_R_IN

002:V11

IC1501

TPA6011A4PWPRG4

EXT_SPK

3

PVDD_1

2

ROUT-

4

RHPIN

1

PGND_1

6

RIN

5

RLINEIN

7

VDD

8

LIN

9

LLINEIN

10

LHPIN

11

PVDD_2

12

LOUT-

13

PGND_2

14

LOUT+

15

SHUTDOWN

16

FADE

17

BYPASS

18

AGND

19

SEMAX

20

SEDIFF

21

VOLUME

22

HP/LINE

23

SE/BTL

24

ROUT+

R1528

2.2K

EXT_SPK

EXT_AMP_R_IN

R1516

33K

EXT_SPK

EXT_SPK_R+

C1515

330pF

EXT_SPK

R1531

220K

EXT_SPK

R1518

10K

EXT_SPK

C1524

1uF 25V

EXT_SPK_POP_1UF

EXT_SPK_L-

009:X24

C1523
0.1uF

EXT_SPK

C1521

1uF

EXT_SPK

R1519

33K

EXT_SPK

R1526

5.6K

EXT_SPK

EXT_AMP_R

C1524-*1

100pF

50V

EXT_SPK_POP_100PF

R1530

220K

EXT_SPK

R1527

470K

OPT

R1538

0

EXT_SPK

R1547

100

EXT_SPK

IC2800-*2

LM324D

OP_AMP_ON SEMI

3

IN1+

2

IN1-

4

VCC

1

OUT1

6

IN2-

5

IN2+

7

OUT2

8

OUT3

9

IN3-

10

IN3+

11

VEE/GND

12

IN4+

13

IN4-

14

OUT4

IC2800-*1

SN324

OP_AMP_AUK

3

NON_INV_IN1

2

INV_IN1

4

VCC

1

OUT1

6

INV_IN2

5

NON_INV_IN2

7

OUT2

8

OUT3

9

INV_IN3

10

NON_INV_IN3

11

GND

12

NON_INV_IN4

13

INV_IN4

14

OUT4

+12V/+15V

L1530

CIS21J121

C1530
0.01uF
50V

EXTERNAL SPK

EXT SPK BLOCK

Close to IC

EXT SPK AMP.

EXT SPK AMP.

CLOSE TO MSTAR

Close to AMP IC