Allen&Heath ML5000 SERVICE MANUAL - Manual (Page 116)

Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251 1
ML MASTER METER PCB
4357 2 2
PAGE:
TITLE:
DRG No: ISSUE: SHEET: OF
ISSUE BY DATE
FILE: C4357P3_1.Sch 19:03:51 6-Dec-2002 A3
ALLEN&HEATH
Tel:
Fax: PRINTED:
20 20
1 1
19 19
2 2
18 18
3 3
17 17
4 4
16 16
5 5
15 15
6 6
14 14
7 7
13 13
8 8
12 12 9 9
11 11 10 10
CN3
CONN 10X2
20 20
1 1
19 19
2 2
18 18
3 3
17 17
4 4
16 16
5 5
15 15
6 6
14 14
7 7
13 13
8 8
12 12 9 9
11 11 10 10
CN4
CONN 10X2
1
2
3
4
5
6
7
8
9
10
11
12
CN5
FLEX SKT 12 WAY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN1
FLEX SKT 15 WAY (VERT)
3
2
1
U11A
TL072
5
6
7
U11B
TL072
V-
4
V+
8
U11C
TL072
R37
20K 1%
R38
8K2 1%
R39
8K2 1%
R42
20K 1%
+17
C7
33/10
-17
C8
33/10
+5
-5
+17
-17
R43
0R
+12
+12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN2
FLEX SKT 15 WAY
+12
+12
AUX1
AUX2
AUX3
AUX4
AUX5
AUX6
AUX7
AUX8
MT9
MT10
MT11
MT12
MT13
MT14
MT15
MT16
R45
4K7
AFL_DC
MTX1 MTX2
MTX3 MTX4
MTX5 MTX6
MTX7 MTX8
METER_MO
PAFL_SIG
CALL_LED
-17
+12 +12
+17 R46
100K
R47
4K7
PFL_DC
ACTIVE_I
AUX1 AUX2
AUX3 AUX4
AUX5 AUX6
AUX7 AUX8
AUX9 AUX10
AUX11 AUX12
AUX13 AUX14
AUX15 AUX16
L_SIG_IN
C_SIG_IN R_SIG_IN
D8
IN4148
D7
IN4148
R48
100K
PFL_DC
ACTIVE_M
+17
-17
+5
PAFL_LED
AFL_LED
BIG_YELL
MTRL
MTRR
MTRC
1
2
3
U12A
74LS00
4
5
6
U12B
74LS00
8
9
10
U12C
74LS00
11
12
13
U12D
74LS00
ACTIVE_I PAFL_LED
AFL_DC
AFL_LED
METERS=MTX
METER_MO
R40
100K
+5
R41
1K5
MTX_LED
METERS=MTX
R44
0R
CALL_LED BIG_YELL
VCC +5
MTX_LED
AFLL_SIG
A JB 12/01/01
1 JB 06/02/01
ORIGIN
SIL RESISTOR BLOCK MOVED, PADS ADDED, VALUE CHANGES.
D70