Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251
1.1
ML3000 MASTER METER PCB
4459
1
2
PAGE:
TITLE:
DRG No:
ISSUE:
SHEET:
OF
ISSUE
BY
DATE
FILE: C4459_1P1.Sch
09:37:07
14-Jan-2002
ALLEN&HEATH
Tel:
Fax:
PRINTED:
A
B
C
D
E
F
G
H
a
b
c
d
e
RS1A 47K
RS1B 47K
RS1C 47K
RS1D 47K
1
3
2
VR1
10K
1
2
3
4
M1A
METER VU
PEA
K
M1B
METER VU
LEFT_VU
+12V
+5V
+12V
+17V
1
3
2
VR2
10K
1
2
3
4
M2A
METER VU
PEA
K
M2B
METER VU
+12V
RIGHT_VU
+5V
+12V
1
3
2
VR3
10K
1
2
3
4
M3A
METER VU
PEA
K
M3B
METER VU
+12V
+5V
MTR_C
+12V
+VPEAK
+VPEAK
+VPEAK
RS2A 47K
RS2B 47K
RS2C 47K
RS2D 47K
RS3A 47K
RS3B 47K
RS3C 47K
RS3D 47K
RS4A 47K
RS4B 47K
RS4C 47K
RS4D 47K
MT5
MT6
MT7
MT8
AUX_5
AUX_6
AUX_7
AUX_8
MTX_VU1
MTX_VU2
MTX_VU3
MTX_VU4
C1
330N 50V/PE
METERS=MTX
C3
330N 50V/PE
C5
330N 50V/PE
R3
47K
R10
47K
R17
47K
R16
100K
D1
1N4148
D2
1N4148
D3
1N4148
D4
1N4148
D5
1N4148
D6
1N4148
R4
1K0
R12
1K0
R18
1K0
R5
47K
R13
47K
R19
47K
R1
100R
R9
100R
R15
100R
C6
10/16
C4
10/16
C2
10/16
R20
6K8
R14
6K8
R8
6K8
R6
10K
R7
10K
3
2
1
U3A
LM393
3
2
1
U4A
LM393
5
6
7
U3B
LM393
R21
10K
R22
10K
R23
6K8
R24
6K8
R26
10K
D7
1N4148
D8
1N4148
R30
100K
R31
1K5
Q3
BC556B
R29
100K
+5V
R28
100K
R27
100K
Q1
BC549
Q2
BC549
AFL_EN
PFL_EN
AFL+PFL
MTR_C
C_SIG_IN
AFL_SIG
PFL_SIG
AFL+PFL
PFL_EN
METER_MO
MTX_LED
METERS=MTX
PFL_LED
PFL_EN
AFL_EN
AFL_LED
5
6
7
U4B
LM393
-17V
A
14
11
13
12
U5A
4053B
2
1
10
15
B
U6B
4053B
5
3
9
4
C
U5C
4053B
2
1
10
15
B
U5B
4053B
5
3
9
4
C
U6C
4053B
A
14
11
13
12
U6A
4053B
A
JB
03-07-01
B
JB
22-08-01
CONNECTOR CHANGES & CHANGES TO SIGNALS AT CN1
A
14
11
13
12
U8A
4053B
2
1
10
15
B
U8B
4053B
5
3
9
4
C
U8C
4053B
R37
4K7
R39
4K7
R38
4K7
R40
4K7
AFL+PFL
AFL+PFL
LEFT_VU
LEFT_VU_IN
RIGHT_VU_IN
RIGHT_VU
AFL+PFL
3
2
1
U1A
TL072
5
6
7
U1B
TL072
3
2
1
U2A
TL072
5
6
7
U2B
TL072
R2
220K
R11
220K
R25
220K
1
MG
??-11-01
D46
1.1
DWD
14-01-02
Содержание ML 3000
Страница 1: ...SERVICE MANUAL Publication AP4511 Dual Function Live Sound Console ...
Страница 33: ......
Страница 34: ......
Страница 37: ......
Страница 41: ......
Страница 44: ......
Страница 47: ......
Страница 50: ......
Страница 52: ......
Страница 54: ......
Страница 56: ......
Страница 60: ......
Страница 63: ......
Страница 67: ......
Страница 71: ......
Страница 74: ......
Страница 76: ......
Страница 78: ......
Страница 81: ......
Страница 84: ......