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Ashly MX-406, Operating Manual

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Ashly MX-406 Operating Manual Download Page 12

12

Oper

ating Manual -MX-406 Ster

eo Micr

ophone/Line Mix

e

r

MX-406 Power and Metering

1

2

3

4

5

6

7

8

A

B

C

D

E

8

7

6

5

4

3

2

1

E

D

C

B

A

B

APPROVED:

Dwg #

Size

Drawn By

Rev.

A

S:\Engineering\CLIENT98\5400\10s5401b.sch

xxx PCB

James B Franks

Sheet #

of

1

1

847 Holt Road
Webster, NY  14580-9103

Phone:

Fax:

(716) 872-0010

(716) 872-0739

Print Date

26-Jul-2002

10:56:30

A->B @ 157%

C

$VKO\ $XGLR ,QF

2

10

3

11

4

5

12
7

8

L2

51P7106

out

SW1

AC SWITCH

out

SW2

120/240 SELECT

L
G
N

J3

ACINLET

D20

1N4003

D21

1N4003

D22

1N4003

D23

1N4003

C27
1000u

C28
1000u

In

1

2

Out

3

U6

7815

In

2

1

Out

3

U7

7915

D24

1N4003

D25

1N4003

C29
1.5u

C30
1.5u

D26
1N4003

D27
1N4003

R98
2.4k

-15

D32
G

D33

R

D28
1N4003

D29

1N4003

R99
1.5K

R61
10

D30

1N4003

D31
1N4003

C33

100U

R7
10K

R105
18K

R30
100K

D34
1N977

Q1
2N5401

R80

3.3K

Q2
2N5551

R24
220

Q3

2N5551

1

2

3

Q4
TIP29C

R107

22

D7

1N4148

C34
100U

+48

C35

.1U

C36

.1U

C37

.1U

C38
.1U

R100

1.5K

+15

J4

J5

J6

2

3

1

SW3A

45P2600

OUT

5

6

4

SW3B

45P2600

F1

1/2 AGC

65VAC

J7

AC-GND

EG

Q5
2N4123

Q6
2N4123

R109

390K

R66

2.4K

R112
62K

C39
.1U

D35

R

R101

2.7k

SIG IN

5

MODE

9

RLO

4

RHI

6

REF ADJ

8

V+

3

V-

2

REF OUT

7

LED10

10

LED9

11

LED8

12

LED7

13

LED6

14

LED5

15

LED4

16

LED3

17

LED2

18

LED1

1

LM3915

U10

LM3915

D37

Y

D39

Y

D41

Y

D43

G

D45

G

D47

G

D49

G

D51

G

D53

G

D55

G

+15M

R91
4.7K

D57

1N754

-15M

+15M

R67

9.09k

R115

33k

3

2

1

U8A

34184

D59

D60

R55

1K

R31

100K

R37

33K

C31
1.5U

LEFT  OUTPUT  LEVEL  (db)

Q7
2N4123

Q8
2N4123

R110

390K

R68

2.4K

R113
62K

C40
.1U

D36

R

R102

2.7k

SIG IN

5

MODE

9

RLO

4

RHI

6

REF ADJ

8

V+

3

V-

2

REF OUT

7

LED10

10

LED9

11

LED8

12

LED7

13

LED6

14

LED5

15

LED4

16

LED3

17

LED2

18

LED1

1

LM3915

U11

LM3915

D38

Y

D40

Y

D42

Y

D44

G

D46

G

D48

G

D50

G

D52

G

D54

G

D56

G

+15M

R92
4.7K

D58

1N754

-15M

+15M

R69

9.09k

R116

33k

12

13

14

U8D

34184

D61

D62

R56

1K

R32

100K

R38

33K

C32

1.5U

RIGHT  OUTPUT  LEVEL  (db)

+15M

RCLIP

LCLIP

LPOST

RPOST

J20B

J20G

J20A

J20H

J20C

J20D

J20E

J21B

J21G

J21A

J21H

J21C

J21D

J21E

+15M

-15M

-15M

+15M

Meter Card

Power

Phantom

Phantom

GND

R138

0

+15M

R28

0

R29

0

R139

0

+15

+15M

-15

-15M

HS1

HS2

HS3

1

2

3

4

5

6

J26

None

24VAC2

24VAC1
GND

35VAC2

35VAC1

24VAC2

24VAC1

35VAC1

35VAC2

AC

ACF

AC-SW

ACN

12.  SCHEMA

TIC DIA

GRAMS

Summary of Contents for MX-406

Page 1: ...hones Right Left 10 9 7 6 5 1 4 0 5 Stereo Aux Input Aux Master Output Aux 6 Output VU L R 9 12 15 18 21 3 0 3 6 Clip 0 Treble Bass Clip 12 12 7 6 1 3 4 0 10 5 R L 8 7 6 1 4 Level Pan 9 Channel 5 Aux...

Page 2: ...AND CABLES 6 6 REAR PANEL FEATURES 6 7 TYPICAL APPLICATIONS 8 7 1 Small Sound Reinforcement System 8 7 2 Meeting Room Board Room or Church Mixer Using Remote Control 9 8 TROUBLESHOOTING TIPS 9 8 1 No...

Page 3: ...notify your dealer so that a written claim to cover the damages can be initiated The right to any claim against a public carrier can be forfeited if the carrier is not notified promptly and if the sh...

Page 4: ...re EQ but can be internally switched to post fader post EQ To make this change refer the fol lowing procedure to a qualified service technician Unplug the unit s AC power cord from the outlet Remove t...

Page 5: ...the headphone jack Headphones should have an im pedance of 600 ohms or greater or signal distortion may result 4 11 Output Meters A pair of peak reading 10 segment LED meters are used to indicate ste...

Page 6: ...ances crosstalk may occur In fact the crosstalk signal leakage between cables can cause an electronic feedback loop oscillation and possibly dam age to the equipment To minimize crosstalk physically s...

Page 7: ...should normally be left in the out position for best signal to noise ratio and should only be used when the input is being overdriven with the gain control at its mini mum setting 6 3 Line Input The l...

Page 8: ...ment Four of the input channels are used for vocal microphones while the remaining two channels are used for stereo accompaniment tracks The ste reo line input is used for additional pre recorded musi...

Page 9: ...ys working toward the later stages of the system 1 00 1 2 0VAC 5 0 60Hz 15 W Data Input 2 3 1 Data V Ashly Audio Inc Model VCX 80 Made In USA IN PUTSareActive Balanced Tip is Ring is OUTPUTS MayBe Wir...

Page 10: ...hum This is usually caused by ground loops in the system wiring A complex sound system with many sources separated by significant distance and using sev eral power outlets has many opportunities for t...

Page 11: ...d left and right outputs illuminates 3dB below clipping PHANTOM POWER 48 VDC applied to all Mic Inputs switchable on rear panel Maximum total current draw 80mA Maximum single chan nel current draw 14m...

Page 12: ...GND EG Q5 2N4123 Q6 2N4123 R109 390K R66 2 4K R112 62K C39 1U D35 R R101 2 7k SIG IN 5 MODE 9 RLO 4 RHI 6 REF ADJ 8 V 3 V 2 REF OUT 7 LED10 10 LED9 11 LED8 12 LED7 13 LED6 14 LED5 15 LED4 16 LED3 17...

Page 13: ...EVEL HEADPHONE LEVEL STEREO AUX INPUT 5 4 J2A 47P1304 6 4 J2B 47P1304 3 1 J2D 47P1304 2 1 J2C 47P1304 1 3 2 J8 9 3 5 11 7 1 B J9A 10 4 6 12 8 2 T J9B RBUS LBUS LPRE RPRE LPOST RPOST Mono Mono LBUS RBU...

Page 14: ...3K R84 3 3K R85 3 3K Q12 2N4125 Q13 2N4125 C43 1U R71 2 4K R114 62K R111 390K D63 R 15M C60 47U 63V C61 47U 63V 20dB PAD MIC INPUT LEVEL PAN MIC GAIN RBUS LBUS 2 3 1 SW5A 5 6 4 SW5B R103 2 7k Out Out...

Page 15: ...15 Operating Manual MX 406 Stereo Microphone Line Mixer...

Page 16: ...Y AUDIO INC 847 Holt Road Webster NY 14580 9103 Phone 585 872 0010 Fax 585 872 0739 Toll Free 800 828 6308 www ashly com 2002 by Ashly Audio Corporation All rights reserved worldwide Operating Manual...

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