Alto PAM5A Schematic

A

04-1

SP1

1 2 3 4 5 6

SPEAKER

B

LS?

SPEAKER

C

D

100UF/50V

S1

C7

100NF

47UF/25V

100UF/50V

C3

C11

C4

100NF

C12

100NF

-VA

R61KR2

20K

C17

100NF

R7

2.2K

+

-

CN2

CN2-1

CN2-2

+15V-15V

C32

100NF

C34

100NF

8 4

R28

10K

C28

100PF

R17

3.48K

C14

100NF

R18

3.48K

R45

2.2K

TL072C

2

22UF/25V

1

TL072C

U5-BA

47PF

3

2

10

11

C40

1
2
3
4

5
6
7
8
9

1

U5-AA

V+

NC
OUT
V­V+
NC
GND

MUTE

-VIN
+VIN
NC

3

R46

1M

10K

C27

U2

LM3886

LM3886

D1

IN4737D2IN4737

R16

3.48K

84

R38

383K

R27

20K

R19

61.9K

C19

330UF/16V

47K

1M

IN4744Z9IN4744

22UF/25V

10UF/25V

R13

R30

S

Z10

C42

C43

100NF

C45

100UF/50V

+VA+VA

C5

C6

100NF

47UF/25V

100UF/50V

C1

C9

C2

100NF

C10

100NF

-VA

R41KR1

R15

61.9K
C15

100NF

R5

2N5551

Q1

R8

100

D

1M

Q2

BF245C

G

C44

100NF

R40

39K

2

3

U4-AB

TL074C

1

D7

IN4148

R39

470

2.2K

C18

47UF/50V

2.2M

R29

-15V

R21

1.8K

R41

470K

C20

1UF/50V

R31

+15V-15V

R44

10K

7

TL074C

U4-BA

5

6

10K

U1

LM3886

1

V+

2

NC

3

OUT

4

V-

5

V+

LM3886

6

NC

7

GND

8

MUTE

9

-VIN

10

+VIN

11

NC

-VA

R12

330/5W

U3

7915

D3

IN4004

C39

220PF

R43

47K

R42

-15V

VOUTVIN

220V

FUSE

SW

POWER

T1

0.1UF/275V
C36

4

3

IN4004

C13

1200UF/50V

C30

1000UF/35V

G

470UF/35V

C31

470UF/35V

1

BU10--04

BR

2

D4

1200UF/50V

1000UF/35V

C41

D5

IN4004

C35

R20

330/5W

C37

7815

U6

G

VOUTVIN

R37

2.2K

+VA

D6

IN4004

+15V

CN2

+

2004,02,09 RELEASE

5,R25===120KΩ

6,R31===3.3KΩ

CN2-1

CN2-2

2003,12,24 RELEASE

1,C33===330nF

2,C25,C26==220nF

3,C39===47PF

4,R32===12KΩ

-

1.C33===330nF

4.R25===100KΩ

5.C21===220PF

2.R32===27KΩ

3.R31===3.3KΩ

54321

2003,12,15 RELEASE

6

D

CN4

J4-4

4

R36

560

R35

12k

C23

22UF/25V

IN4744

IN4744

Z6

Z5

IN4744

IN4744

Z7

Title

Date: 9-Feb-2004 Sheet of

File: E:\lfr\tw-file\h su\pcb\ PAM5A\ \PAM5A 0209.ddb

C

Number RevisionSize

PAM5A

電路圖 最新線路圖Drawn By:

Z8

IN4744

IN4744

Z1

Z2

IN4744

IN4744

Z4

Z3

B

A

J4-1

J4-2

J4-3

1

2

3

560

R34

R33

12k

C22

22UF/25V

123

XLR-3P-M-TIPOI

132

COMBOJACK

J2

1K

VR1

R3

10K

R14

22K

R9

22K

C8

C16

1UF/50V

1UF/50V

R10

10K

231

J3

3

2

1

B

13

R22

22K

R11

10K

J1

A-RC-6020

U4-D

C24

22P

TL074C

14

R23

39K

12

100NF

C25

100NF

R32

12K

C33

474NF

10

9

R25

120K

U-4CC

C26

TL074C

8

R26

18K

Port Port

C29

100NF

R24

10K

C21

100PF

1, R31===1.8KΩ

2, C21===100PF

3, C33===470nF

4, C25,C26===110nF

C38

100NF

C