HP LC3260N manual Sound AMP/HEADPHONE AMP Schematic Diagram

8

7

6

5

4

3

2

1

A B C D E F G H

SOUND AMP/HEADPHONE AMP SCHEMATIC DIAGRAM

(AV PCB)

8

B

SOUND AMP

C324

0.1

IC301TA2024-ASE

24.0

5.5

1

+5VGEN

CPUMP36

C337

50V 1 KANP

23.0

0

W853

2

DCAP2

PGND1

35

C328

0.1 B

14.0

0

3

DCAP1

NC

34

NC

C338

11.0

5.5

0.1 B

7

W854

4

VD5

VDDA

33

C326

0.1 B

0

32

0

5

AGND1

NC

NC

TR301

6.0

4

W855

R317

0

6

REF

OUTP1

31

L300

W5T29X7.5X19

EC31QS04

8.2K

0.1

B

10uH7313N

B0.470.47 B

11.0

D303D302

C349 C348

R320C352

100.47 F

89 7

V5A

OUTM1282930

EC31QS04

1/2W C354

0.1 B

SP OUT L-

1

2

C331

B0.1

+-1%

0

OVERLOADB

VDD1

C339

4 OHM 10W

NC

W878

0

11.0

C340_1

(L)

AGND2

VDD1

CP303

A2502WV2-2P

CD303

SPEAKER SP302

25V820

6.0

5

SP OUT L+

2

1

5.5

FM

L301

EAS12D175B

FROM/TO STEREO

6.0

10uH7313N

CU128001

R318

2.5

1213 11 10

OAOUT1

OUTM2

2524 26 27

L302

6

D305D304

EC31QS04

C351C350

B0.470.47 B

C353R321

F0.4710 1/2W

0.1B

50V 1

KANP

NC

NC

OUTP2

0.1

B

C355

SP301

SP_AUDIO_OUT_R

3

R304

C320

R314

22K

2.5

11.0

C341

10uH7313N

6

CP301

A2502WV2-3P

CD301

SPEAKER

SP_AUDIO_OUT_L

1K

22K

INV1

VDD2

SP OUT R-

3

1

W886

0

11.0

C342_1

NC

NC

2

2

EAS12D175B

MUTE

VDD2

SP OUT R+

1

3

25V820

(R)

6.0

7

0

FM

L303

CU123401

4 OHM 10W

R319

2.5

0

10uH7313N

14

23

22K

OAOUT2

NC

NC

2

R302

C319

R315

2.5

0

15

INV2

DGND

22

1K

50V 1

KANP

22K

SW

C332

2.5

0

5

Q300

0.1

B

16

BIASCAP

NC

21

NC

CH

CH

0

2SC3052

FROM/TO POWER

R311

3.0

C323

0

20

0

C359

470P

C363

470P

17

AGND3

PGND2

10K

0.1 B

GND

0

0

0

470PCH

470PCH

19

C358

C362

SOUND+B

18

SLEEP

FAULT

NC

SOUND_GND

AT+5V

R324

CH

C368

ACD

47K

HS300

0.001

763WAAA066

W884

HS78

NC

4

FROM/TO TUNER/OUT JACK

W887

POWER_ON-H

AUDIO_MUTE

R322

4.7K

R323

4.7K

0

3

4.8

SW

Q302

R325

4.8

SW

0

2SC3052

1K

0

Q301

2SC3052

0

2

PCBD20

W913

CMF080

W910

W911

W912

1

CAUTION:SINCE THESE PARTS MARKED BY	ARE		ATTENTION:LES PIECES REPAREES PAR UN		ETANT	NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME		NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
CRITICAL FOR SAFETY,USE ONES			DANGEREUSES AN POINT DE VUE SECURITE			OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE		WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
DESCRIBED IN PARTS LIST ONLY			N’UTILISER QUE CELLS DECRITES					WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
			DANS LA NOMENCLATURE DES PIECES
A		B		C		D	E		F	G	H

H-9 H-10