Alto X23SW Bedienungsanleitung

ServiceManual

www.altoproaudio.com

Version: 1.1

Model: X23SW (2-WAY STEREO PLUS SUBWOOFER)

ACTIVE CROSSOVER

CONTENTS

1. Specification

2. Block Diagram

3. Schematic Diagram

4. Printed Circuit Board

5. Wiring Diagram

6. Test Procedure

7. Electrical Parts List

8. Exploded Views & Mechanical Parts List

9. Notes

483(W) 194.5(D) 44(H)mm (19" 7.7" 1.7")

2.95 Kg(6.50lb)

Electrical

50Hz ~ 250Hz

250Hz ~ 6KHz

<0.05%

>95dB

Controls

Continuouliy variable

Sub, Low. High continuously variable

Front panel switches

Power Supply

3-pole IEC , grounded

Servo controlled, stabilized

Physical

Weight

Subwoofer Frequency Range

Low - High Frequency Range

THD

S/N Ratio

Input Level

Output Level

Low Cut

Phase

Connector type

Type

Mains supply

Power Rating

Dimensions

95-120V /210-240V ,60-50Hz

1. SPECIFICATION (X23SW)

1 2 3 4

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100mA

FUSE

5 6

AC POWER SW

AC INPUT 210V-240V

AC PLUG

50Hz

102℃

PT-SCX-34

230V

115V

20V

BRIDGE

AND FILTER CIRCUIT

+15V

-15v

A -CHANNEL SIGNAL

CN-BAL-FEMALE-2

TL074

gain

LOW-HIGH pass

900Hz - +9KHz

high pass freq.

TL074 high out

gain

pass filter

over freq.

100Hz +1KHz

SUB-LOW

SUB - LOW

pass filter

TL074

gain

lower filter pass

TL074

gain

LOW OUT

B-CHANNEL SIGNAL

CN-BAL-FEMALE-2

TL074

gain

LOW-HIGH pass

900Hz - +9KHz

high pass freq.

TL074 high out

gain

pass filter

over freq.

100Hz +1KHz

SUB-LOW

SUB - LOW

pass filter

TL074

gain

lower filter pass

TL074

gain

LOW OUT

2.Block Diagram

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TASY J.S.

ALTO Mobile : X23SW MAIN BOARD

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CN3

3P2.5

U1A

TL074

U1B

TL074

U1C

TL074

100K

620K

R12

10K

3K74

330P

R13

22K

R11

6K8

103(M)

VR2

100KB

47P

VR1B

100KB

411

U1E

TL074

-15V

10uF

R18

220R

R17

100K

R16

100K

VR1A

100KB

3K74

620K

10uF

100K

U2A

TL074

10K

R21

10K

R20

10K

U2B

TL074

R22

10K

VR3

100KB

SW1

30HZ CUT

R15

100K

U2C

TL074

U2D

TL074

R25

10K

C10

330P

R26

22K

R24

6K8

C11

47P

R27

10K C12

10uF R32

220R

R31

100K

SW2

INV

R28

10K

R29

10K

R30

10K

R14

47K

U1D

TL074

C19

683(M)

C20

683(M)

411

U2E

TL074

+15V

R19

10K

LOW OUT

HI OUT

INPUT

CH1(CH2)

3. Schematic Diagram

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J101

3P2.5

AGND

U9A

TL074

U9B

TL074 10

U9C

TL074

U9D

TL074

R63

10K0

R64

10K0

R69

330K

R72

10K

SW4

SW-6-SK22H13

R68

19K1

R73

22K

R71

6K8

C25

473(M)

C28

683M)

C24

473(M)

C23

473(M)

VR7

100KB

VR6B

100KB

CH1 CH2

C29

683M)

R74

47K

R75

100K

+15V

-15V

411

U9E

TL074

C30

10uF

C31

10uF

R80

220R

R79

100K

R78

100K

VR6A

100KB

R66

19K1

R67

330K

J102

3P2.5

C26

330P

C27

47P

SUB WOOFER OUT

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SCX POWER Schematic

DB1

RB154

104P

IC1

L7815

IC2

L7915

1000/16V

104P

3CN2

3P2.5

+15V

-15V

CN5

2P2.5

1.2K

+15V

-15V

CN3

3P2.5

C18

1000/35V

C19

1000/35V

CN?

CON3

4.Printed Circuit Diagram

X23SW(M) PCB LAYOUT

PCB : X23SW(M) Top Overlay

PCB : X23SW(M) Bottom Layer

PCB : X23SW(M) Bottom Solder Mask

PCB : X23SW(M) Bottom Overlay

PCB : X23SW(M) Drill Drawing Plots

Hole Size Hole Count

31mil (0.8mm) 128

39mil (1.0mm) 21

47mil (1.2mm) 17

63mil (1.6mm) 1

87mil (2.2mm) 6

138mil (3.5mm) 4

Totals 177

CX22OUT PCB LAYOUT

PCB : CX22OUT Bottom Layer

PCB : CX22OUT Bottom Solder Mask

PCB : CX22OUT Top Overlay

PCB : CX22OUT Drill Drawing Plots

Hole Size Hole Count

39mil (1.0mm) 7

55mil (1.4mm) 3

87mil (2.2mm) 20

110mil (2.8mm) 1

Totals 31

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