Microlab X23 Schematics

4321

SMG1

a

b

f

D

C

J1

CON4

1
2
3
4

1

CON1

+5V

1C6
104

HS0038B

IR

VCC

GND

B

OUT

DGND

+5V

SDA

SCL

MUTE

g

e

c

d

GND1

aabbcc

dp

GND2

1 2 3 4 5 6 7 8 9 10

1R5

1R17
470

1R13
10K

330

1C1
47UF

47uf

1R16
10K

1R6
330

1R4
330

1R12
10K

dd

eeffgg

1 2 3 4 5 6 7 8 9 10

1R3
330

GND2
GND1

GND3

1C2

+5V

104

1R1
10K

SMG2

aabbcc

dp

dp

GND3

1R7

330

b

f
a

g

10

GND4

eeffgg

dd

14 15
13
12
11

9
8
7
6
5
4

3
2
1

PB4
PB3
PB2

PB1
PB0
PA3

PA2
PA1
PA0
NC

VSS
NC

VDD

RTCC

PB5
PB6
PB7

PC0

PC1

PC2
PC3
PC4

PC5
PC6
PC7

OSC2
OSC1

MCCK

1U1

STBY

LED01

g f e

MUTE

LED02

dp

dp

5.1IN

LED03

a

2.0IN

LED04

f

5.1OUT
LED05

b

2.1OUT
LED06

cba

c

1R8
330

c
d

16

e

17

GND4

18

GND5

19
20

21
22

23
24
25
26
27
28

1C3

1R2

104

10K

1C4

30

CTL
6MHz

1C5

30

POWER

LED07

1J501J7

e

1R10
330

POWER

LED08

d

**

**

0

d

1R9

330

SW-PB

INPUT SEL

R11
10K

GND5

1JR7

* *

330

+5v

ECD1

UOLUME

3

1R14
10K

+5V

1JR5
330

BAC

2

1

1R15
10K

A-6660 NO USED

"*"

D

C

B

A

1 2 3 4

PDF created with FinePrint pdfFactory trial version http://www.fineprint.com

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+5V

Title

Date: 9-Feb-2006 Sheet of
File: F:\my file\MyDesign\A-6660.ddb Drawn By:

FC728&X23 SCH

Number RevisionSize

A4

1

L.M.An

A

87654321

C13

0.1UF

C13'

0.1UF

C17

0.47UF

C21

0.1UF

C25

0.1UF

C25'

0.1UF

R20

5.1K

C14

682

R15

R14

3.3K

8.2K

14'

682

R14'

8.2K

C18
104

C22

682

R26

8.2K

C26
682

R32

8.2K

C26'

682

R32'

8.2K

R21

5.1K

R15'

3.3K

R27

3.3K

R33

3.3K

R33'

3.3K

R16

8.2K

R16'

8.2K

R22
100K

R28

8.2K

R34

8.2K

R34'

8.2K

C15
472

C15'
472

C19
104

C23

472

C27

472

C27'

472

J3

1
2
3
4
5
6
7
8

CON8

FR
FL

SUB
CEN

SR
SL

D

C

B

+VA

+VB

R13 33K

U3A

4558
R11
47K

R13'

33K

U3B

4558

R11'
47K

+VA

R19 100KR18

U4A

4558
R17
47K

33K

R25

U4B

4558
R23
47K

+VA

33K

R31

U5A

4558
R29
47K

R31' 33K

U5B

4558
R29'
47K

R12

+VB

10K

+VB

+VB

+VB

+VB

+VB

R30
10K

R30'
10K

R12'
10K

10K

R24
10K

C24

0.1UF

C24'

0.1UF

C12

0.1UF

C12'

0.1UF

+VB

C16

0.22UF

C20

0.1UF

+VB

+VB

+VB

D

C

B

AUX1

FL

FR

CT

SUB

SL

SR

R

L

R

L

R1 100K

R1' 100K

**

R2 100K

R2'

AUX2

R3'

R3

R4' 100K

R04 22K

100K

R4

100K

R5'

R5 100K

100K

U1

PT2323

1

L1

*

10UF

C2'

2

L2

3

L3

4

10UF

10UF

10UF

5
6

7
8
9

10
11
12

13
14

10-100MA

+5V

C35
47UF

+12V/+15V

10-100MA

L4
FLI

FRI
CTI
SUBI
SLI
SRI
MIXO
VCC
REF
GND

U6

7805

22K

22K

C33'
104

C32'

47UF

MUTE

DGND

SCL
SDA
+5V

C3' 10UF

C3 10UF

C4'

C4 10UF

C5'

C5

C01
104

C11
10UF

J1

5
4
3
2
1

CON5

LPF-I

LPF-O

FLO
FRO
CTO

SUBO

SLO
SRO
SCL
SDA

R39

C37
47UF
25V

*
C38
47UF

R1
R2
R3
R4

C30
47UF
25V

220/1W

U7

7812

*

28C1' 10UF
27

26
25

24
23

22
21

20
19
18
17
16
15

SDA

C1

*

C2 10UF

SCL

25V/20V

10UF

C6

MC104

R6

10K

C7 MC104

270

R8'

R8

270

R9' 270

R9 270

R10'

270

R10 270

R35

220/1W

1
2

CON2

J2

*

" "

NO USED

10K

R7

C8' 10UF

C8 10UF

C9' 10UF

C9 10UF

C10' 10UF

C10 10UF

C36
47UF
25V

Q1 8050

R36
1K

C31
47UF

ZD1

9.1V

C11'

10UF

C33''
104

TDA7448

U2

2

IN1

FL

19

IN2

FR

3

IN3

CEN

18

1N4

SUB

4

IN5

SL

17

1N6

SR

11

GND

20

CREF

8

NC

1

VS

C32''
47UF

+VA

/+8.5V

C32
47UF

C33
104

R37

3.3K

R38

3.3K

OUT1

OUT2
OUT3

OUT4
OUT5
OUT6

SCL

SDA

ADDR

NC

+VB

47UF

7
14
6
15

5
16
10
9

12
13

/+4.2V

C34

A

1 2 3 4 5 6 7 8

PDF created with FinePrint pdfFactory trial version http://www.fineprint.com

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Title

FC728 & X23 SCH

Number RevisionSize

A3

Date: 9-Feb-2006 Sheet of
File: F:\my file\My Design\A-6660.ddb Drawn By:

2
L.M.An

A