ALLEN & HEATH ML5000 Service Manual download pdf (Page 115)

Kernick Industrial Estate,

Penryn, Cornwall,

England. TR10 9LU

+44 (0)8707 556250

+44 (0)8707 556251

1

ML MASTER METER PCB

4357 1 2

PAGE:

TITLE:

DRG No: ISSUE: SHEET: OF

ISSUE BY DATE

FILE: C4357P2_1.Sch

19:02:59 6-Dec-2002 A3

ALLEN&HEATH

Tel:

Fax:

PRINTED:

C1

330N

R1

47K

RS1A

47K

RS1B

47K

RS1C

47K

RS1D

47K

3

2

1

U1A

NE5532

D1

IN4148

D2

IN4148

R7

100K

R12

1K

R2

47K

1 3

2

VR1

10K

1

2

3 4

M1A

METER VU

PEAK

M1B

METER VU

A

14

11

13

12

U9A

CD4053BCM_1

2

1

10

15

B

U9B

CD4053BCM_1

5

3

9

4

C

U9C

CD4053BCM_1

INH

6

VEE

7

VSS

8

VDD

16

U9D

CD4053BCM_1

R15

100R

C4

10/16

MTRL

+12

+5

3

2

1

U4A

LM393

5

6

7

U4B

LM393

V-

4

V+

8

U4C

LM393

R10

10K

R11

10K

+12

R34

6K8

+17

C2

330N

R3

47K

3

2

1

U2A

NE5532

D3

IN4148

D4

IN4148

R8

100K

R13

1K

R4

47K

1 3

2

VR2

10K

1

2

3 4

M2A

METER VU

PEAK

M2B

METER VU

R16

100R

C5

10/16

MTRR

+12

+5

+12

R35

6K8

C3

330N

R5

47K

3

2

1

U3A

NE5532

D5

IN4148

D6

IN4148

R9

100K

R14

1K

R6

47K

1 3

2

VR3

10K

1

2

3 4

M3A

METER VU

PEAK

M3B

METER VU

R17

100R

C6

10/16

MTRC

+12

+5

3

2

1

U5A

LM393

+12

R36

6K8

+VPEAK

+VPEAK

+VPEAK

2

1

10

15

B

U10B

CD4053BCM_1

A

14

11

13

12

U10A

CD4053BCM_1

5

3

9

4

C

U10C

CD4053BCM_1

R19

10K

R18

10K

R20

10K

R21

10K

R22

10K

R23

10K

R24

10K

R25

10K

R29

10K

R28

10K

R30

10K

R31

18K

R32

18K

L_SIG_IN

AFLL_SIG

AFLL_SIG

R_SIG_IN

PAFL_SIG

PAFL_SIG

C_SIG_IN

5

6

7

U1B

TL072

V-

4

V+

8

U1C

TL072

5

6

7

U2B

TL072

V-

4

V+

8

U2C

TL072

5

6

7

U3B

TL072

V-

4

V+

8

U3C

TL072

R26

10K

R27

10K

R33

10K

MTRL

MTRR

MTRC

V-

4

V+

8

U5C

LM393

INH

6

VEE

7

VSS

8

VDD

16

U10D

CD4053BCM_1

AFL_DC

PFL_DC

ACTIVE_M

2

1

10

15

B

U6B

CD4053BCM_1

5

3

9

4

C

U6C

CD4053BCM_1

A

14

11

13

12

U6A

CD4053BCM_1

2

1

10

15

B

U8B

CD4053BCM_1

RS2A

47K

RS2B

47K

RS2C

47K

RS2D

47K

RS3A

47K

RS3B

47K

RS3C

47K

RS3D

47K

RS4A

47K

RS4B

47K

RS4C

47K

RS4D

47K

RS5A

47K

RS5B

47K

RS5C

47K

RS5D

47K

2

1

10

15

B

U7B

CD4053BCM_1

5

3

9

4

C

U7C

CD4053BCM_1

A

14

11

13

12

U7A

CD4053BCM_1

5

3

9

4

C

U8C

CD4053BCM_1

RS6A

47K

RS6B

47K

RS6C

47K

RS6D

47K

RS7A

47K

RS7B

47K

RS7C

47K

RS7D

47K

RS8A

47K

RS8B

47K

RS8C

47K

RS8D

47K

A

14

11

13

12

U8A

CD4053BCM_1

MT9

MT10

MT11

MT12

MT13

MT14

MT15

MT16

AUX9

AUX10

AUX11

AUX12

AUX13

AUX14

AUX15

AUX16

MTX1

MTX2

MTX3

MTX4

MTX5

MTX6

MTX7

MTX8

METERS=MTX

+17

-17

+5

-5

INH

6

VEE

7

VSS

8

VDD

16

U6D

CD4053BCM_1

INH

6

VEE

7

VSS

8

VDD

16

U7D

CD4053BCM_1

+5

-5

INH

6

VEE

7

VSS

8

VDD

16

U8D

CD4053BCM_1

+5

-5

5

6

7

U5B

LM393

R49

10K

R50

10K

PAFL_SIG

-17

A JB 12/01/01

1

JB 06/02/01

ORIGIN

SIL RESISTOR BLOCK MOVED, PADS ADDED, VALUE CHANGES.

D69

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