Allen&heath – Allen&Heath ML5000 SERVICE MANUAL User Manual
Page 115
Kernick Industrial Estate,
Penryn, Cornwall,
England.
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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
PEA
K
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
VE
E
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
PEA
K
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
PEA
K
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
VE
E
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
VE
E
7
VSS
8
VDD
16
U6D
CD4053BCM_1
INH
6
VE
E
7
VSS
8
VDD
16
U7D
CD4053BCM_1
+5
-5
INH
6
VE
E
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