Compressor/limiter meters eq meter & lights, Output level (db), Gain reduction (db) – Ashly DPX-200 User Manual
Page 19: Lm3915, Lm3914
19
Oper
ating Manual - DPX-200 P
a
rametric Equalizer - Compr
essor/Limiter
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.
C
S:\Engineering\CLIENT98\5751\10s5751c-3.SCH
10S5751
DPX-200 Parametric + COMPRESSOR/LIMITER
James B Franks
Sheet #
of
3
4
847 Holt Road
Webster, NY 14580-9103
Phone:
Fax:
(716) 872-0010
(716) 872-0739
Print Date
10-Sep-2002
14:27:05
A->B @ 157%
C
$VKO\ $XGLR ,QF
PEAK BUS 1
PEAK BUS 2
THRES
SIG
GAIN METER
INPUT METER
OUTPUT METER
1
4
5
6
3
2
out
SW6
45P1501
1
4
5
6
3
2
out
SW7
45P1501
L
G
N
J10
47P1413
D19
1N4003
D20
1N4003
D21
1N4003
D22
1N4003
C85
1000u
C86
1000u
In
1
2
Out
3
U19
7818
In
2
1
Out
3
U20
7918
D23
1N4003
C81
1.5u
C82
1.5u
D24
1N4003
D25
1N4003
-18
C47
.1U 100V
C48
.1U
C49
.1U
R144
1.5K
+18
J11
KEYSTONE
F1
1/2 AGC
110VAC 220VAC
2
11
3
10
4
5
8
T1
51P7308
R145
10K
R146
3.3K
D16
1N754
D10
1N270
C50
220P
2
3
1
Q2
2N4125
C51
.1U
+18
+18-2
VCC +
FOR IC 5
R147
1.5K
5
6
4
SW1B
45P2600
D26
LIMITER(G)
D27
POWER(Y)
+18
OUT
Q7
2N4123
Q8
2N4123
R148
390K
R149
2.4K
R150
62K
C52
.1U
D28
+20(R)
R151
1.5K
PEAK BUS 1
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
U21
LM3915
D29
+6(Y)
D30
+3(Y)
D31
0(Y)
D32
-3(G)
D33
-6(G)
D34
-9(G)
D35
-12(G)
D36
-15(G)
D37
-18(G)
D38
-21(G)
+18
J13/2A
J13/2B
J13/2C
J13/2D
J13/2F
J13/2G
J13/2E
J13/2H
J13A
J13B
J13C
J13D
J13F
J13G
J13E
J13H
2
3
1
SW4A
45P2600
INPUT METER
OUTPUT METER
-18
+18
+18
-18
R152
4.7K
D17
1N964
-18
+18
R153
2.4K
R154
2.4K
3
2
1
8
4
U5A
4560
D11
1N4148
D12
1N4148
R155
1K
R156
100K
R157
100K
C83
1.5U
OUT
METER SELECT
OUTPUT LEVEL (db)
2
3
1
Q3
2N4125
Q9
2N4123
R158
560
R159
15K
R160
100K
R161
1.5K
D13
1N4148
D14
1N4148
C84
1.5U
C76
47U
D39
(Y)
+18
THRES
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
LM3914
U22
LM3914
D40
-20(R)
D41
-18(R)
D42
-16(R)
D43
-14(R)
D44
-12(R)
D45
-10(R)
D46
-8(R)
D47
-6(R)
D48
-4(R)
D49
-2(R)
+18
J14A
J14B
J14C
J14D
J14F
J14G
J14E
J14H
J14/2A
J14/2B
J14/2C
J14/2D
J14/2F
J14/2G
J14/2E
J14/2H
GAIN METER
-18
-18
-18
-18
+18
+18
+18
R162
4.7K
D18
1N964
-18
R163
4.7K
R164
2K
13V
GAIN REDUCTION (db)
C53
.1U
C54
.1U
C55
.1U
C56
.1U
C57
.1U
C58
.1U
C59
.1U
C60
.1U
Q10
2N4123
Q11
2N4123
D50
CLIP(R)
R165
1.5K
R166
62K
R167
390K
R168
2.4K
+18
C63
.1U
PEAK BUS 2
J12
KEYSTONE
J15
KEYSTONE
COMPRESSOR/LIMITER METERS
EQ METER & LIGHTS
+19 dBu
D52
1N4003
J16
KEYSTONE
J17
KEYSTONE
J18
KEYSTONE
J19
KEYSTONE
-18
+18-2
J21
KEYSTONE
2
3
1
SW9A
45P2600
2
3
1
SW8A
45P2600
2
3
1
SW3A
45P2600
2
3
1
SW2A
45P2600
D51
F3(G)
D54
F4(G)
D55
F2(G)
D56
F1(G)
OUT
R116
1.5K
+18
2
3
1
SW10A
45P2600
D57
EQ(G)
D64
1N4003
D65
1N4003
D66
1N4003
C77
100u 100v
C78
100u 100v
C93
100u 100v
+48
5
6
4
SW16B
45P2600
R138
1.5K
2
3
1
SW16A
45P2600
D68
Phantom (R)
-18
OUT
ADJ
1
IN
3
OUT
2
U16
LM317T
D67
1N4003
R132
243 1%
R133
9.09K
C94
NONE
C95
1.5u
R43
470