Alto DPA900 1500 Schematic

MODEL: PS 4LA

MODEL: DPA 900/1500

www.altoproaudio.com

Version 2.0

CONTENT

1. Introduction………………………………………………....................2

2. Specification……………………………………………………………3

3. Schematic Diagram……………………………………………………4

4. PCB Layout…………………………………………………………….13

5. Test Procedure & Test Result……………………………………....18

6. Exploded Views & Mechanical Parts List………………………...23

7. BOM………………………………………………………………...…...26

1

1. Introduction

ALTO MISTRAL amplifiers are series of innovative design power amplifiers. This series work

under high stability with great power supply in just 2-rack spaces. Air flow is from back to front

panel to keep in a nice air circulation inside the Rack. The automatic fan, which affects machines’

temperature includes various kinds of speed, therefore, this low-noise fan makes a good result in

cooling the heat from machines.

MISTRAL amplifiers include 2 independent channels with separate protection system and

power supply. The independent protection system avoids opening circuit, short, wrong loading or

over-heating. The special-designed protective system applies automatically restarting functions

upon the default status and then goes back to normal.

All electronic inputs equip standard power connectors. And all inputs are electronic balanced,

with hi-quality transformer, MISTRAL amplifiers provide an outstanding performance in any

condit ions.

z Innovative design and high stability power amplifiers.

z Fan-cooled AB class high power amplifier in 19”rack, 2Usize

z Rugged amplifiers in a strong, compact chassis.

z 2 independent channels with separate protection system and power supply

z smart-designed protection system for auto re-operation after fault.

z Auto-adjusting speed fan.

z 4LEDs for operation/protection, limit, power on and clip

z HIGH-CURRENT TOROIDAL TRANSFORMER DESIGNED FOR HIGH POWER AT 2

Ohms with low noise.

z Independent DC and thermal overload protection on each channel.

z IEC standard power connectors.

z Binding post and NEUTRIK® SPEAKON outputs power connectors.

z Balanced XLR inputs/ parallel outputs.

2

2. Specification

Output Power DPA 900 DPA 1500

20Hz-20KHz @0.1% THD, SCD MODE

8Ohms per channel(EIAJ) 190W 300W

4Ohms per channel (EIAJ) 300W 500W

Bridge MONO mode

8Ohms ,1KHz, 0.1% THD 600W 1000W

Distortion (SMPTE-IM) <0.05%

Frequency response 20Hz-20KHz=/-0.1dB, -3dB points:10Hz-60Hz

Damping factor ,1 kHz and below >300 at 8 Ohms

Signal to noise ,20Hz`20KHz 102dB

Voltage Gain 40 Χ(32dB)

Input sensitivity @4Ohms 1Vrms

Input clipping 10Vrms(+22dB)

Input impedance 10kOhms unbalanced, 20k Ohms balanced 56(36dB)

Controls

Front :AC switch ,CH1&CH2 Gain knobs Rear :Limiter bridge selector

Power-on : Blue LED

Indicators (1per channel)

Operation/Protection: Dual Color(green/red LED) Limit: Red LED Clip: Red LED

Input: Active balanced XLR

Connectors, each channel

Parallel output: XLR Output: NEUTRIK speaker and binding posts

Cooling Continuously variable-speed fan, rear-to front air flow

Load protection

On/off muting, DC-fault load grounding relay, internal fault fuses.

Power requirements 200-240(100-120)VAC 50-60Hz

Dimensions

19”(48.3cm) rack mounting, 3.5”(8.9cm) tall (2rackspaces)

15.9”(40cm)deep (rack mounting to rear support ears

weight 12.9kg (Net) 14.8kg (Net)

3

)

7654321

4

3. Schematic Diagram

8

U2A

R1_32 100R

1

2

J1_6

2

1

CON2

1 2

3

2

1

GND1

2

12

1

(1.5A 200V)

4

CH1 I NSE RT OUT

CH1 INSERT IN

OPERATING LED

R1_25

CH1_LIM_SW2

47R

CH1_LIM_SW1

D1_9

D1_21

3mm YELLOW LED

4

W2 -0 4

(1.5A 200V)

(FTR VT90N1 VACTEC+)

CH1 PHOTO COUPLER

3

D1_20 W2 -0 4

+1G

C1_27

47uF/25V

R1_29

3P-2.5

3 2 1

CH1 GAIN

Vic+

12

R1_33

3K3 1/2W

12

Vic-

U1_2

VTL5C2

3

4

3

4

1

R1_31

4K7

12

3

12

2 1

GND1

2

1

2

GND1

R1_3

10K

1 2

R1_30 4K7

12

2

D1_16 3mm GREEN LED

1 2

56pF/50 cer

6

5

U1_1B

NJM4580L

Vic-

R1_5

CH1 BRIDGE SWIT CH

AC1

V+

GND

V-

D1_6

1N4148

1

Vic+

ZD15V1.3W

C1_5

ZD15V1.3W

A2K

D1_7 1N4148

12

330R

12

GND1

J1_7

CN-P CB6. 3

J1_8

CN-P CB6. 3

J1_9

CN-P CB6. 3

J1_10

CN-P CB6. 3

+15V

1

A2K

D1_3

7

C1_10

22nF/50 cer

D1_8

1

-15V

1 2

C1_6

47uF/16NP

3

2

1

3

2

1

3

2

1

3

2

1

K

+

G

A

2

C1_8

220uF/25V

GND1

C1_14

12

3.3nF/100 poly

C1_9

2.2nF/50 cer

1 2

12

1 2

R1_8

NTC 50R

GND1

C1_4

220uF/25V

1

K

+

G

A

2

C1_7

27pF/50 cer

R1_6

12K SPEAKERS BUS

12

R1_37

12K

OUTPUT_1

12

R1_11 1K5 2W

12

R1_9 820R

1

D1_13

K A

ZD5V6 1/2W

2

D1_11

K

A

1N4937

1 2

D1_12

K

A

1N4937

1 3

3

R1_16

2

1

D1_14

K A

ZD5V6 1/2W

2 12

R1_10 820R

R1_12 1K5 2W

1 2

F1_1

1 2

5A

F1_2

1 2

5A

TRIMMER 100R

Vic+

84

Vic-

R1_15

1 2

150R

12

R1_7 330R

12

R1_4 330R

Q1_2

MJE15031

U1_1C

NJM4580L

+73V_A

-73V_A

Q1_1

MJE15030

B

R1_17

4R7 1W

R1_18

4R7 1W

B

D1_2 1N4004

A2K

12

R1_13 22R 1W

0.2A

CE

12

EC

0.2A

R1_14 22R 1W

1 2

1

12

EC

B

Q1_3

C1_11

3.3nF/50 cer

1 2

C1_12

3.3nF/50 cer

1 2

CE

B

Q1_4

1 2

R1_36

120K

1 2

5mm RED LED

GND1

R1_19

0.1R 3W

2xMJL21193

1

22nF/100V poly

GND1

R1_20

0.1R 3W

+15V

84

U2C

NJM4580L

-15V

12

C1_1

47uF/100V

GND1

D1_4

D1_19

A2K

1N4148

C1_13

1 2

D1_10

A2K

1N4148

R1_39

PTC 65R

100R

10K

GND1

1

12

1

A

K

2

1

A

K

2

6A

D1_15 1N4004

R1_21

1 2

470R 3W

GND1

D1_17 1N4004

6A

1

D1_5

K A

ZD15V1.3W

12 2

R1_38 10K

12

R1_34 47K

+73V_A

1

C1_15

+

G

4700uF/80V

2

R1_26 5R6 2W

1 2

L1_1

1 2

R1_35

100K

EC

Q1_5 MPSA92

R1_40 6K8

1 2

11A

GND1

B

CE

2uH 10A

Vic+

Q1_6 MPSA42

Vic-

12

GND1

OUTPUT_1 OUTPUT1

1

C1_16

+

G

4700uF/80V

2

-73V_A

1 2

B

R1_22 10R 3W

C1_2 100nF/250V poly

GND1

Pout=418W RMS @ 4 Ohm

J1_5

1

1+

2

3

CN-P CB6. 3

CH1 OUTPUT

TO

SPEAKON PCB

J1_4

1

1-

2

3

CN-P CB6. 3

D

C

B

A

R1_41

1 2

D

3mm RED LED

C

C1_24

10uF/50V

R1_1

2

CH1 IN-

CH1 IN+

B

A

1 2

+1G

10K

R1_2

2

1 2

+1G

10K

C1_23

10uF/50V

C1_3

100pF/50 cer

CH1 IN+ CH1 IN-

CH1 BRIDGE SWITCH CH2 BRIDGE

CH1_LIM_SW1 CH1_LIM_SW2

GND1 GND1

for PBM8

R1_42

4K7 1/8W

1 2

D1_18

CLIP

2

3

12

R1_28 10K

GND1

J4

112 334 556 778 9910 111112 131314

HEADER 7X2

J1_11

2 1

CON2

J2_11

2 1

CON2

GND1

4K7 1/8W

2

3

GND1

12

GND1

C1_25

100pF/50 cer

1 2

R1_27

1 2

10K

U1_1A NJM4580L

2

CH2_LIM_SW1

4

CH2_LIM_SW2

6 8 10 12 14

CH1 IN+

CH2 IN+

NJM4580L

C1_26

47uF/25V

1

+1G

CH2 IN+ CH2 IN-

Titel

ALTO MISTRAL1500-CH1 DRIVE

Size

A2

Date: File:

1 2 3 4 5 6 78

MISTRAL1500

16-Mar-2004 MIS9-CH1.Sch

Sheet Drawn By:

RevisionModel No:

C.C.LI N

VER040302

32of

7654321

5

8

U2A

R1_32 100R

1

2

J1_6

2

1

CON2

1 2

3

2

1

GND1

2

12

1

(1.5A 200V)

4

CH1 I NSE RT OUT

CH1 INSERT IN

OPERATING LED

R1_25

CH1_LIM_SW2

47R

CH1_LIM_SW1

D1_9

D1_21

3mm YELLOW LED

4

W2 -0 4

(1.5A 200V)

(FTR VT90N1 VACTEC+)

CH1 PHOTO COUPLER

3

D1_20 W2 -0 4

+1G

C1_27

47uF/25V

R1_29

3P-2.5

3 2 1

CH1 GAIN

Vic+

12

R1_33

12

Vic-

U1_2

VTL5C2

3

4

3

4

1

R1_31

4K7

12

3

12

2 1

GND1

2

1

2

GND1

R1_3

10K

1 2

R1_30 4K7

12

2

3K3 1/2W

D1_16 3mm GREEN LED

1 2

56pF/50 cer

6

5

U1_1B

NJM4580L

Vic-

R1_5

CH1 BRIDGE SWIT CH

AC1

V+

GND

V-

D1_6

1N4148

1

Vic+

ZD15V1.3W

C1_5

ZD15V1.3W

A2K

D1_7 1N4148

12

330R

12

GND1

J1_7

CN-P CB6 .3

J1_8

CN-P CB6 .3

J1_9

CN-P CB6 .3

J1_10

CN-P CB6 .3

+15V

1

A2K

D1_3

7

C1_10

22nF/50 cer

D1_8

1

-15V

1 2

C1_6

47uF/16NP

3

2

1

3

2

1

3

2

1

3

2

1

K

+

G

A

2

C1_8

220uF/25V

GND1

C1_14

12

3.3nF/100 poly

C1_9

2.2nF/50 cer

1 2

12

R1_8

NTC 50R

GND1

C1_4

220uF/25V

1

K

+

G

A

2

C1_7

27pF/50 cer

R1_6

12K SPEAKERS BUS

12

R1_37

12K

OUTPUT_1

12

R1_11 2K2 2W

12

R1_9 820R

1

K A

ZD5V6 1/2W

2

D1_11

K

A

1N4937

1 2

K

A

1N4937

1 3

3

2

1

1 2

1

K A

ZD5V6 1/2W

2 12

R1_10 820R

R1_12 2K2 2W

1 2

F1_1

1 2

5A

F1_2

1 2

5A

D1_13

D1_12

R1_16

2

D1_14

TRIMMER 100R

Vic+

84

Vic-

R1_15

1 2

150R

12

R1_7 330R

12

R1_4 330R

Q1_2

MJE15031

U1_1C

NJM4580L

+73V_A

-73V_A

Q1_1

MJE15030

B

R1_17

4R7 1W

R1_18

4R7 1W

B

D1_2

1N4004

A2K

12

R1_13 22R 1W

0.2A

CE

12

EC

0.2A

R1_14 22R 1W

1 2

1

12

EC

B

C1_11

3.3nF/50 cer

1 2

C1_12

3.3nF/50 cer

1 2

CE

B

1 2

R1_36

120K

1 2

5mm RED LED

GND1

R1_19

0.1R 3W

B

Q1_3

2xMJL21193

22nF/100V poly

GND1

B

Q1_4

R1_20

0.1R 3W

+15V

84

-15V

12

GND1

D1_4

12

R1_23

0.1R 3W

EC

Q1_7

D1_19

1

A2K

1N4148

C1_13

1 2

D1_10

A2K

1N4148

CE

Q1_8

R1_24

0.1R 3W

1 2

U2C

NJM4580L

C1_1

47uF/100V

R1_39

PTC 65R

100R

10K

GND1

1

12

1

A

K

2

1

A

K

2

6A

D1_15 1N4004

1

2

R1_21

1 2

470R 3W

1

2

GND1

D1_17 1N4004

6A

1

D1_5

K A

ZD15V1.3W

12 2

R1_38 10K

12

R1_34 47K

+73V_A

C1_15

+

G

4700uF/80V

R1_26 5R6 2W

1 2

L1_1

1 2

R1_35

100K

EC

Q1_5 MPSA92

R1_40 6K8

1 2

11A

GND1

B

CE

2uH 10A

Vic+

Q1_6 MPSA42

Vic-

12

GND1

OUTPUT_1 OUTPUT1

C1_16

+

G

4700uF/80V

-73V_A

1 2

B

R1_22 10R 3W

C1_2 100nF/250V poly

GND1

Pout=418W RMS @ 4 Ohm

J1_5

1

1+

2

3

CN-P CB6 .3

CH1 OUTPUT

TO

SPEAKON PCB

J1_4

1

2

1-

2

3

CN-P CB6 .3

D

C

B

A

R1_41

1 2

D

3mm RED LED

C

C1_24

10uF/50V

R1_1

1 2

CH1 IN-

CH1 IN+

B

A

CH1 IN+ CH1 IN-

CH1 BRIDGE SWITCH CH2 BRIDGE

CH1_LIM_SW1 CH1_LIM_SW2

2

+1G

10K

R1_2

1 2

2

+1G

10K

C1_23

10uF/50V

C1_3

100pF/50 cer

GND1 GND1

R1_42

4K7 1/8W

1 2

D1_18

CLIP

2

3

12

GND1

J4

112 334 556 778 9910 111112 131314

HEADER 7X2

R1_28 10K

4K7 1/8W

2

3

GND1

12

GND1

C1_25

100pF/50 cer

1 2

R1_27

1 2

10K

U1_1A NJM4580L

2

CH2_LIM_SW1

4

CH2_LIM_SW2

6 8 10 12 14

NJM4580L

C1_26

47uF/25V

1

+1G

CH2 IN+ CH2 IN-

Titel

ALTO MIST RAL1500-CH1 DRIVE

Size

A2

Date: File:

1 2 3 4 5 6 78

MISTRAL1500

2-Mar-2004

MIS15-CH1.Sch

Sheet Drawn By:

RevisionModel No:

32of

C.C.LI N

VER040302

7654321

6

8

U2A

R1_32 100R

1

2

J1_6

2

1

CON2

1 2

3

2

1

GND1

2

12

1

(1.5A 200V)

4

CH1 I NSE RT OUT

CH1 INSERT IN

OPERATING LED

R1_25

CH1_LIM_SW2

47R

CH1_LIM_SW1

D1_9

D1_21

3mm YELLOW LED

4

W2 -0 4

(1.5A 200V)

(FTR VT90N1 VACTEC+)

CH1 PHOTO COUPLER

3

D1_20 W2 -0 4

+1G

C1_27

47uF/25V

R1_29

3P-2.5

3 2 1

CH1 GAIN

Vic+

12

R1_33

12

Vic-

U1_2

VTL5C2

3

4

3

4

1

R1_31

4K7

12

3

12

2 1

GND1

2

1

2

GND1

R1_3

10K

1 2

R1_30

4K7

12

2

3K3 1/2W

D1_16 3mm GREEN LED

1 2

56pF/50 cer

6

5

U1_1B

NJM4580L

Vic-

R1_5

CH1 BRIDGE SWIT CH

AC1

V+

GND

V-

D1_6

1N4148

1

Vic+

ZD15V1.3W

C1_5

ZD15V1.3W

A2K

D1_7 1N4148

12

330R

12

GND1

J1_7

CN-P CB6 .3

J1_8

CN-P CB6 .3

J1_9

CN-P CB6 .3

J1_10

CN-P CB6 .3

+15V

1

A2K

D1_3

7

C1_10

22nF/50 cer

D1_8

1

-15V

1 2

C1_6

47uF/16NP

3

2

1

3

2

1

3

2

1

3

2

1

K

+

G

A

2

C1_8

220uF/25V

GND1

C1_14

12

3.3nF/100 poly

C1_9

2.2nF/50 cer

1 2

12

R1_8

NTC 50R

GND1

C1_4

220uF/25V

1

K

+

G

A

2

C1_7

27pF/50 cer

R1_6

12K SPEAKERS BUS

12

R1_37

12K

OUTPUT_1

12

R1_11 2K2 2W

12

R1_9 820R

1

K A

ZD5V6 1/2W

2

D1_11

K

A

1N4937

1 2

K

A

1N4937

1 3

3

2

1

1 2

1

K A

ZD5V6 1/2W

2 12

R1_10 820R

R1_12 2K2 2W

1 2

F1_1

1 2

5A

F1_2

1 2

5A

D1_13

D1_12

R1_16

2

D1_14

TRIMMER 100R

Vic+

84

Vic-

R1_15

1 2

150R

12

R1_7 330R

12

R1_4 330R

Q1_2

MJE15031

U1_1C

NJM4580L

+73V_A

-73V_A

Q1_1

MJE15030

B

R1_17

4R7 1W

R1_18

4R7 1W

B

D1_2

1N4004

A2K

12

R1_13 22R 1W

0.2A

CE

12

EC

0.2A

R1_14 22R 1W

1 2

1

12

EC

B

C1_11

3.3nF/50 cer

1 2

C1_12

3.3nF/50 cer

1 2

CE

B

1 2

R1_36

120K

1 2

5mm RED LED

GND1

R1_19

0.1R 3W

B

Q1_3

2xMJL21193

22nF/100V poly

GND1

B

Q1_4

R1_20

0.1R 3W

+15V

84

-15V

12

GND1

D1_4

12

R1_23

0.1R 3W

EC

Q1_7

D1_19

1

A2K

1N4148

C1_13

1 2

D1_10

A2K

1N4148

CE

Q1_8

R1_24

0.1R 3W

1 2

U2C

NJM4580L

C1_1

47uF/100V

R1_39

PTC 65R

100R

10K

GND1

1

12

1

A

K

2

1

A

K

2

6A

D1_15 1N4004

1

2

R1_21

1 2

470R 3W

1

2

GND1

D1_17 1N4004

6A

1

D1_5

K A

ZD15V1.3W

12 2

R1_38 10K

12

R1_34 47K

+73V_A

C1_15

+

G

4700uF/80V

R1_26 5R6 2W

1 2

L1_1

1 2

R1_35

100K

EC

Q1_5 MPSA92

R1_40 6K8

1 2

11A

GND1

B

CE

2uH 10A

Vic+

Q1_6 MPSA42

Vic-

12

GND1

OUTPUT_1 OUTPUT1

C1_16

+

G

4700uF/80V

-73V_A

1 2

B

R1_22 10R 3W

C1_2 100nF/250V poly

GND1

Pout=418W RMS @ 4 Ohm

J1_5

1

1+

2

3

CN-P CB6 .3

CH1 OUTPUT

TO

SPEAKON PCB

J1_4

1

2

1-

2

3

CN-P CB6 .3

D

C

B

A

R1_41

1 2

D

3mm RED LED

C

C1_24

10uF/50V

R1_1

1 2

CH1 IN-

CH1 IN+

B

A

CH1 IN+ CH1 IN-

CH1 BRIDGE SWITCH CH2 BRIDGE

CH1_LIM_SW1 CH1_LIM_SW2

2

+1G

10K

R1_2

1 2

2

+1G

10K

C1_23

10uF/50V

C1_3

100pF/50 cer

GND1 GND1

R1_42

4K7 1/8W

1 2

D1_18

CLIP

2

3

12

GND1

J4

112 334 556 778 9910 111112 131314

HEADER 7X2

R1_28 10K

4K7 1/8W

2

3

GND1

12

GND1

C1_25

100pF/50 cer

1 2

R1_27

1 2

10K

U1_1A NJM4580L

2

CH2_LIM_SW1

4

CH2_LIM_SW2

6 8 10 12 14

NJM4580L

C1_26

47uF/25V

1

+1G

CH2 IN+ CH2 IN-

Titel

ALTO MIST RAL1500-CH1 DRIVE

Size

A2

Date: File:

1 2 3 4 5 6 78

MISTRAL1500

2-Mar-2004

MIS15-CH1.Sch

Sheet Drawn By:

RevisionModel No:

32of

C.C.LI N

VER040302

7654321

7

8

U2B

R2_32 100R

7

2

J2_6

2

1

CON2

1 2

3

2

1

GND1

2

1

12

(1.5A 200V)

4

CH2 I NSE RT OUT

CH2 INSERT IN

OPERATING LED

R2_25

CH2_LIM_SW2

47R

CH2_LIM_SW1

D2_9

D2_21

3mm YELLOW LED

4

W2 -0 4

(1.5A 200V)

(FTR VT90N1 VACTEC+)

CH1 PHOTO COUPLER

3

D2_20 W2 -0 4

+1G

C2_27

47uF/25V

R2_29

3P-2.5

3 2 1

CH1 GAIN

Vic2+

12

R2_33

12

Vic2-

U2_2

VTL5C2

3

4

3

4

1

R2_31

4K7

12

3

12

2 1

GND1

2

1

2

GND1

R2_3

10K

1 2

R2_30

4K7

CH2 BRIDGE

12

2

3K3 1/2W

D2_16 3mm GREEN LED

Vic2+

C2_5

1 2

56pF/50 cer

6

5

U2_1B

NJM4580L

Vic2-

R2_5

330R

D2_6

1N4148

1

D2_3

ZD15V1.3W

7

D2_8

ZD15V1.3W

-15V

A2K

D2_7 1N4148

12

GND1

+15V

1

A2K

C2_10

22nF/50 cer

1

1 2

C2_6

47uF/16NP

1

K

+

G

A

2

C2_8

220uF/25V

GND1

C2_14

12

3.3nF/100 poly

C2_9

2.2nF/50 cer

1 2

12

1 2

R2_8

NTC 50R

GND1

C2_4

220uF/25V

1

K

+

G

A

2

C2_7

27pF/50 cer

R2_6

12K SPEAKERS BUS

12

R2_11 2K2 2W

12

R2_9 820R

1

D2_13

K A

ZD5V6 1/2W

2

D2_11

K

A

1N4937

1 2

D2_12

K

A

1N4937

1 3

3

R2_16

2

1

D2_14

K A

ZD5V6 1/2W

2 12

R2_10 820R

R2_12 2K2 2W

1 2

Vic2+

TRIMMER 100R

84

R2_15

1 2

150R

12

R2_7 330R

12

R2_4 330R

Q2_2

MJE15031

U2_1C

NJM4580L

Q2_1

MJE15030

B

R2_17

4R7 1W

R2_18

4R7 1W

B

12

R2_13 22R 1W

0.2A

CE

12

EC

0.2A

R2_14 22R 1W

1 2

B

C2_11

3.3nF/50 cer

1 2

3.3nF/50 cer

1 2

B

12

R2_19

0.1R 3W

EC

B

Q2_3

2xMJL21193

22nF/100V poly

GND1

C2_12

CE

B

Q2_4

R2_20

0.1R 3W

1 2

12

R2_23

0.1R 3W

EC

Q2_7

D2_19

1

A2K

1N4148

C2_13

1 2

D2_10

A2K

1N4148

CE

Q2_8

R2_24

0.1R 3W

1 2

GND1

1

A

K

2

1

A

K

2

6A

D2_15 1N4004

1

2

R2_21

1 2

470R 3W

1

2

GND1

D2_17 1N4004

6A

+73V_B

C2_15

+

G

4700uF/80V

R2_26 5R6 2W

1 2

L2_1 2uH 10A

12

GND1

OUTPUT_2 OUTPUT2

C2_16

+

G

4700uF/80V

-73V_B

11A

R2_22 10R 3W

C2_2 100nF/250V poly

GND1

Pout=418W RMS @ 4 Ohm

J2_5

1

1+

2

3

CN-P CB6 .3

CH1 OUTPUT

TO

SPEAKON PCB

J2_4

1

2

1-

2

3

CN-P CB6 .3

D

C

B

R2_41

1 2

4K7 1/8W

6

5

GND1

12

GND1

C2_25

100pF/50 cer

1 2

R2_27

1 2

10K

U2_1A NJM4580L

NJM4580L

C2_26

47uF/25V

1

+1G

12

GND1

R2_42

4K7 1/8W

1 2

D2_18

CLIP

2

3

12

R2_28 10K

GND1

D

3mm RED LED

C

C2_24

10uF/50V

R2_1

1 2

CH2 IN-

CH2 IN+

B

+1G

1 2

+1G

C2_23

10uF/50V

100pF/50 cer

2

10K

R2_2

2

10K

C2_3

Vic2-

J2_7

3

2

AC1

CN-P CB6 .3

V+

CN-P CB6 .3

GND

CN-P CB6 .3

A

1 2 3 4 5 6 78

V-

CN-P CB6 .3

1

J2_8

3 2 1

J2_9

3 2 1

J2_10

3 2 1

1

3 2 1

OUTPUT_2

F2_1

1 2

5A

F2_2

1 2

5A

+73V_B

-73V_B

D2_2

1N4004

A2K

R2_36

1

120K

1 2

5mm RED LED

GND1

D2_4

12

1

2

GND1

C2_1

+

G

47uF/100V

R2_39

PTC 65R

100R

10K

12

1

D2_5

K A

ZD15V1.3W

12 2

R2_38 10K

12

R2_34 47K

R2_35

1 2

100K

EC

B

Q2_5 MPSA92

R2_40 6K8

1 2

GND1

B

CE

Vic2+

Q2_6 MPSA42

Vic2-

Titel

ALTO MIST RAL1500-CH1 DRIVE

Size

Date: File:

A2

MISTRAL1500

2-Mar-2004

MIS15-CH2.Sch

Sheet Drawn By:

RevisionModel No:

33of

C.C.LI N

A

VER040302

D

8

C

B

A

VER040204

11of

C.C.LIN

RevisionModel No:

4

Drawn By:

Sheet

MISTRAL1500

8-Mar-2004

ALTO : MISTRAL1500

MIS15IN.Sch

1

2

3

CN8

2

1

3

2

1

3

321

4

CN4

4

CH2-LI NK-OUT

2

1

3

4

CN5

1

2

3

CN9

2

1

3

4

CH2-XLR-IN

CON3

2

1

3

4

CN7

PJ2

SW2A

1

CH2-JACK-IN

LIMITER

2

3

CN1

2

1

3

4

CON3

1

2

3

CON3

1

2

3

CN6

2

4

6

8

10

12

14

1

3

5

7

9

11

13

HEADER 7X2

CON3

A3

Titel

Size

File:

Date:

1

2

3

4

5

CN2

D

CH1-LI NK-OUT

CN3

PJ1

CH1-XLR-IN

C

CH1-JACK-IN

SW1A

BRIDGE

SW1B

6

B

4

5

6

P

BRIDGE

SW2B

P

LIMITER

1 2 34

A

D

9

C

B

A

VER040204

11of

C.C.LIN

RevisionModel No:

4

Drawn By:

Sheet

MISTRAL1500

8-Mar-2004

ALTO : MISTRAL1500

Titel

321

1

MIS15FP.Sch

A3

Size

File:

Date:

D1_30

D2_30

D1_3

D2_3

CLIP

3mm RE D LED

D1_29

3mm BL UE LED

D2_29

POWER ON

2

1

3mm BL UE LED

POWER ON

2

1

3mm RE D LED

CLIP

2

D1_1

D2_1

3mm GREEN LED

2

ON/PROTECTION

14

13

12

11

10

9

8

7

6

5

4

3

2

1

CN3

CON14

1

3mm GREEN LED

2

ON/PROTECTION

3mm YELLOW LED

LIMITER

2

1

3mm YELLOW LED

LIMITER

2

VR1_1

B50K

1

2

3

CN1_1

D

3P2.5

C

VR2_1

3

CN2_1

B50K

1 2 34

1

2

3P2.5

B

A

D

10

4

MIS15

MIS15-CH1.SCH

MIS15

MIS15-CH2.SCH

C

11223

J3

+24V

C3

CON3

3

FAN

10uF/63

+1G

2

B

A

VER040302

31of

C.C.LIN

RevisionModel No:

Drawn By:

Sheet

MISTRAL1500

100nF/50 cer

NTC 100R

LM317T

12

OUT

G OUT

IN

12

C6

G

ALTO MISTRAL1500 FAN

R2

47R

R1

1 2

Titel

12

3K3

1 2

1

+

G

10uF/50

2

R4

3K3

2-Mar-2004

MIS15-FAN.Sch

A4

Size

File:

Date:

C2

R3

321

U1

POWER ON LED

D2

3mm GREEN LED

+15V

+1G

1 2

2

C1

470uF/35V

12

+15V-15V

R5

0R

CH1 INSERT OUTCH1 INSERT IN

C4

470uF/35V

D1

W2-04

(1.5A 200V)

1

C5

+1G

2

4

2

3

11223

470uF/35V

+1G

2

-15V

3

GNDF GNDF GND1

CH2 INSERT OUTCH2 INSERT IN

2

4

6

8

10

2

4

6

8

10

1

3

5

7

9

J1

1

3

5

7

HEADER 5X2

9

GND1 GND1

1 2 34

12V

J2

HEADER 3

D

C

B

A

11

12

4.PCB Layout

13

MIS15FP

Top overlay

Bottom layer

MIS151N1

Top overlay

Bottom layer

14

Top overlay

MIS151N2

Bottom layer