background image

1

2

3

4

5

6

7

8

A

B

C

D

8

7

6

5

4

3

2

1

D

C

B

A

1

2

3

4

5

6

7

8

CN1

CN-8P-180

1

2

3

P

SW6A
SW PS-22E85L

-15V

+15V

R71

100

C1

47UF25V

4
1
2
5
3
6
0

VR13

C100K

C53

0.0015UF100V

R43

5.11K1%

C42

20PF

R44

5.11K1%

13

12

14

U5A

TL074

6

5

7

U5B

TL074

2

3

1

11

4

U5D

TL074

9

10

8

U5C

TL074

R72 5.11K1%

+15V

-15V

R73

5.76K1%

C54

0.0015UF100V

R62
100N1%

1

2

3

VR14
A100K

C64

100UF10V

R54

5.11K1%

R67

33.2K1%

R53

16.5K1%

C46

20PF

R7

2K1%

C8

47UF25V

R86

5.11K1%

R81
20K1%

1

2

3

P

SW5A
SW PS-22E85L

4

5

6

P

SW2B

SW PS-22E85L

C57

47UF35V

4

5

6

P

SW1B

SW PS-22E85L

C12

10NF

+15V

-15V

-15V

4
1
2
5
3
6
0

VR10

C100K

C59

0.0033UF100V

R45

4.53K1%

C43

20PF

R46

5.11K1%

13

12

14

U4A

TL074

6

5

7

U4B

TL074

2

3

1

11

4

U4D

TL074

9

10

8

U4C

TL074

R75 6.34K1%

+15V

-15V

R76

6.04K1%

C60

0.0033UF100V

R63
121N1%

1

2

3

VR11
A100K

C65
100UF10V

R56

8.06K1%

R68

51.1K1%

R55

10K1%

C47

20PF

R8

2K1%

C9

47UF25V

R87

3.09K1%

R82
20K1%

1

2

3

P

SW4A
SW PS-22E85L

4

5

6

P

SW3B

SW PS-22E85L

4

5

6

P

SW4B

SW PS-22E85L

4

5

6

P

SW5B

SW PS-22E85L

4

5

6

P

SW6B

SW PS-22E85L

4

5

6

P

SW7B

SW PS-22E85L

Q2

PNP

R24

39K1%

R23
15K1%

R18

470N1/4W

+15V

A

A

B

B

C

C

4
1
2
5
3
6
0

VR7

C100K

C38

0.01UF100V

R47

5.11K1%

C44

20PF

R48

5.11K1%

13

12

14

U3A

TL074

6

5

7

U3B

TL074

2

3

1

11

4

U3D

TL074

9

10

8

U3C

TL074

R78 6.34K1%

+15V

-15V

R79

6.34K1%

C39

0.01UF100V

R64
150N1%

1

2

3

VR8
A100K

C66
100UF10V

R58

10K1%

R69

51.1K1%

R57

10K1%

C48

20PF

R9

2K1%

C10

47UF25V

R88

3.09K1%

R83
20K1%

1

2

3

P

SW3A
SW PS-22E85L

A

B

C

4
1
2
5
3
6
0

VR4

C100K

C61

0.027UF100V

R49

5.11K1%

C45

20PF

R50

5.11K1%

R90 5.76K1%

R91

5.76K1%

C62

0.027UF100V

R65
150N1%

1

2

3

VR5
A100K

C63

100UF10V

R60

10K1%

R70

51.1K1%

R59

10K1%

C49

20PF

R10

2K1%

C11

47UF25V

R89

3.09K1%

R84
20K1%

1

2

3

P

SW2A
SW PS-22E85L

A

B

C

4
1
2
5
3
6
0

VR1

C100K

C36

0.01UF100V

R41

8.06K1%

C41

20PF

R42

5.11K1%

R39

5.62K1%

+15V

-15V

R40

5.62K1%

C37 0.01UF100V

R61
150N1%

1

2

3

VR2
A100K

R51

10K1%

R66

51.1K1%

R52

10K1%

C40

20PF

R6

2K1%

C6

47UF25V

R85

3.09K1%

R80
20K1%

1

2

3

P

SW1A
SW PS-22E85L

A

B

C

C50

0.047UF100V

C51

0.047UF100V

C55

0.15UF63V

C56

0.15uf63v

4
1
2
5
3
6
0

VR17

C100K

4
1
2
5
3
6
0

VR18

C100K

R27

4.12K1%

C33

100PF

R28
8.2K1%

5

6

7

U11B

BA4558

5

6

7

U7B

BA4558

R26

4.12K1%

+15V

-15V

R77
1.5K1%

R21
47K1%

1

2

3

VR16
B50K

R35

6.8K1%

R38
1K1%

R32

14K1%

R36

6.8K1%

C7

47UF25V

R33

14K1%

R34

14K1%

1

2

3

P

SW7A
SW PS-22E85L

TO SW7-6

TO SW7-6

A

2

3

1

8

4

U7A

BA4558

+15V

-15V

C32
100PF

R29

8.2K1%

C58

680p

D3

IN4148

R22

47K1%

D1

IN4148

D4

IN4148

C35

1UF50V

C3

47UF25V

2

3

1

8

4

U11A

BA4558

5

6

7

U6B

BA4558

C34
100p

C4

47UF25V

C5

47UF25V

R31 14K1%

C2
47UF25V

R74

330K1%

+15V

D2

IN4148

-15V

R1

13.3K1%

R3
8.66K1%

+15V

R2

4.02K1%

R25

2.7K1%

R11

1.2K1%

R12

953N1%

R13

680N1%

R14

402N1%

R15

200N1%

R16
100N1%

+15V

+15V

+15V

R5
2K1%

R30

806N1%

R37

110N1%

DL1
RR

DL2
RY

DL3
RY

DL4
RY

DL5
RY

DL6
RG

DL7
RG

DL8
RG

DL9
RG

DL10
RG

DL11
RG

DL12
RG

Q1

PNP

R20
47K1%

R19
30K1%

R17
470N1/4W

R4

47N1/4W

-15V

C14

10NF

-15V

C16

10NF

-15V

C18

10NF

-15V

C20

10NF

-15V

C22

10NF

-15V

C24

10NF

-15V

C26

10NF

+15V

C28

10NF

-15V

C30

10NF

-15V

C13

10NF

C15

10NF

C17

10NF

C19

10NF

C21

10NF

C23

10NF

C25

10NF

C27

10NF

C29

10NF

+15V

+15V

+15V

+15V

+15V

+15V

+15V

+15V

2

4

3

1

VR3

RVS-4P/2P

2

4

3

1

VR6
RVS-4P/2P

2

4

3

1

VR9
RVS-4P/2P

2

4

3

1

VR15
RVS-4P/2P

2

4

3

1

VR12
RVS-4P/2P

B

C

DL13

RG

DL14

RG

DL15

RY

DL16

RY

DL17

RG

DL18

RG

DL19

RG

DL20

RG

DL21

RG

DL22

RG

DL23

RG

DL24

RG

DL25

RG

DL26

RG

+15V

-15V

1

6

7

3

12

-

+

U8A

BA10339

2

4

5

-

+

U8B

BA10339

14

8

9

-

+

U8C

BA10339

13

10

11

-

+

U8D

BA10339

1

6

7

3

12

-

+

U9A

BA10339

2

4

5

-

+

U9B

BA10339

14

8

9

-

+

U9C

BA10339

13

10

11

-

+

U9D

BA10339

1

6

7

3

12

-

+

U10A

BA10339

2

4

5

-

+

U10B

BA10339

14

8

9

-

+

U10C

BA10339

13

10

11

-

+

U10D

BA10339

6

5

7

U1B

074C

9

10

8

U1C

074C

13

12

14

U1A

074C

2

3

1

U1D

074C

11

4

U1E
074C

2

3

1

U2D

074C

9

10

8

U2C

074C

13

12

14

U2A

074C

6

5

7

U2B

074C

11

4

U2E
074C

C52

470uf10v

2

3

1

8

4

U6A

BA4558

+15V

-15V

C31
10NF

+15V

C67

390p

4. Schematic Diagram

- 4 -

Summary of Contents for ALTO-Q

Page 1: ...www altoproaudio com Version 1 0 MODEL ALTO Q...

Page 2: ...CONTENT 1 Introduction 1 2 Specification 2 3 Block Diagram 3 4 Schematic Diagram 4 5 Wiring Diagram 6 6 Printed Circuit Board 7 7 Exploded View Mechanical Parts List 8 8 Electrical Parts List 10...

Page 3: ...nsparent audio performance Precision state variable filters with constant Q principle ensure absolutely stable filter characteristics High and low cut filters remove unwanted frequencies e g floor rum...

Page 4: ...alanced and Unbalanced 18dBV 55dB 1kHz XLR and 1 4 JACK Balanced 60Ohm Unbalanced 30Ohm 18dBV 18Hz to 30kHz at 3dBV 0 02 typ 1kHz 4dBu 0 04 typ 1kHz 10dBu 0 01 typ 92dBr unweighted 22Hz to 22kHz 18Hz...

Page 5: ...L I O METER VU BAND 1 BAND 2 BAND 3 BAND 4 BAND 5 BANDWITCH FREQUENCY LEVEL IN OUT FUSE 115V 0 7815 7915 15V 15V OUTPUT 230V BANDWITCH FREQUENCY LEVEL IN OUT BANDWITCH FREQUENCY LEVEL IN OUT BANDWITCH...

Page 6: ...1 C37 0 01UF100V R61 150N1 1 2 3 VR2 A100K R51 10K1 R66 51 1K1 R52 10K1 C40 20PF R6 2K1 C6 47UF25V R85 3 09K1 R80 20K1 1 2 3 P SW1A SW PS 22E85L A B C C50 0 047UF100V C51 0 047UF100V C55 0 15UF63V C56...

Page 7: ...558 8 4 U3C 4558 15v 15v C13 10UF50V C21 10UF50V R12 R 1 4W 100N 15v 15v 3 2 1 U4A 4558 5 6 7 U4B 4558 C22 47UF25V R19 R 1 4W 0N R20 R 1 4W 0N 8 4 U4C 4558 IN IN GND GND OUT OUT U1 7815 GND GND IN IN...

Page 8: ...1 2 3 4 A B C D 4 3 2 1 D C B A FUSE POWER SW 0 CN2 CN3 P ALTO Q PU CN1 CN1 P ALTO Q FP PL 150V 230V 5 Wiring Diagram 6...

Page 9: ...6 Printed Circuit Board 7...

Page 10: ...7 Exploded View Mechanical Parts List 8...

Page 11: ...SCB13 Black plated screw 3 6 pan head 15 14 HSWA13 Power supply SW SDDLB 1007U 1 15 TP4042 transformer PT CLE40 1 16 MSCC40 screw 4 30 pill 1 17 MFSC02 washer 4 12 1t 1 18 MFSS04 Spring washer 4 7 1t...

Page 12: ...MB02295 rear board ALTO Q 20 MJ00058 single light board 1 2135 1220 20 45kg 21 MC00209 top cover CLE2 0 22 MC00207 top cover CLE2 0 23 MC00208 top cover CLE2 0_V1 2 24 MJ00059 single light board 1 2 2...

Page 13: ...green yellow 59 MJ00344 solder plate AMP 60 HA00861 power cord Europe 3P LT 312 LT 501 61 NI00240 sleeve 2 5 10mm 62 NI00239 sleeve 2 5 1000mm 63 NI00252 sleeve 4 20mm 64 NI00248 sleeve 4 1000mm 65 N...

Page 14: ...ylar capacitor 0 01uF 100V 3 C36 C37 C38 C39 106 CC00029 mylar capacitor 0 027uF 100V 3 C61 C62 107 CC00035 mylar capacitor 0 047uF 100V 3 C50 C51 108 CF00036 metal film capacitor MSC 0 15uF 63V C55 C...

Page 15: ...76K 1 0603 R73 R90 R91 142 RD00300 SMD precise resistor 1 10W 6 04K 1 0603 R76 143 RD00287 SMD precise resistor 1 10W 6 34K 1 0603 R75 R78 R79 144 RD00326 SMD precise resistor 1 10W 6 80K 1 0603 R35...

Page 16: ...181 RA00628 precise resistor 1 4W 5 76 M type R15 182 RA00629 precise resistor 1 4W 6 04K M type R7 183 RA00452 precise resistor 1 4W 100 M type R12 184 RA00711 precise resistor 1 4W 60 4 M type R10 R...

Page 17: ...le 8P 2 5mm 180 CN1 195 HC00076 connector male 2P 2 5mm 180 CN3 196 HC00172 connector male 3P 3 96mm 180 CN2 197 CA00052 ceramic capacitor 0 1uF SL C12 C14 C15 C16 C17 C18 C19 C8 198 CA00023 ceramic c...

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