Alto PS3A-AMP Schematic

87654321

U3
LM3886

C25

D

C

B

C22

R11
10K

0.1u

CN1
CN-5PX2-F

2
4
6
8

-Vc
10

+Vc

1
3
5
7
9

R16
10K

220P
R15

R10

33K

0E

C23
220P

D1

VTL5C4

Z1

8V2

Q1

BC327

R18

R17

470K

1K

R12
220K

C11

R14
22K

56P

R3
1k

C14
560P

-Vc

R7
10K

C7

220u/16V

0.1u

C24

C19

10u/50V

C20

10u/50V

11

27K

150E

R9

U1
LM3886

11

R2
560E

R6
10K

U2
LM3886

11

R5
560E

V+1NC2OUT3V-4V+5NC6GND7MUTE8-VIN9+VIN10NC

DS1

R8

10P
C18

10K

R1

C13

10P

10K

R4

C16

10P

LAMP 2.1A

V+1NC2OUT3V-4V+5NC6GND7MUTE8-VIN9+VIN10NC

V+1NC2OUT3V-4V+5NC6GND7MUTE8-VIN9+VIN10NC

R13
10E

T2

T1

C17

0.1u

C6

0.1u

0.01u

C21

C12

0.1u

C5

0.1u

LOW BRIDGE+

C15

0.1u

C2

0.1u

LOW BRIDGE-

C10
100u/50V

C4
100u/50V

T3

C8
100u/50V

C1
100u/50V

C9
100u/50V

C3
100u/50V

+Vc

D

-Vc

HI OUT+

+Vc

-Vc

+Vc

-Vc

C

B

T6

Vac

T8

GND

T7

A

1 2 3 4 5 6 7 8

Vac

0.1u/275V

BU10-04

C28

6800u/50V

BR1

6800u/50V

+Vc

C27

C26

-Vc

PS 3A-AMP

Title

Size:A3Number
Date:

2004/04/28

File:

PS 3A

P-PS3A-AMP

Sheet of:
Drawn By:

Revision

VER1.0

1/1

MO GUO ZHU

A