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Operating Manual - DLM-821 Stereo Ducking Line/Microphone Mixer
1 2 3 4 5 6 78
A
B
C
D
E
8
7654321
E
D
C
B
A
B
APPROVED: Dw
g
#
Size
Drawn B
y
Rev.
D
10s8210-5.sch
10S8210
DLM-821
(
Indicators and Meters
)
James B Franks
Sheet # of
56
847 Holt Road
Webster, NY 14580-9103
Phone: Fax:
(716) 872-0010
(716) 872-0739
Print Date
22-Jan-2004
11:45:00
A->B @ 157%
C
5
6
7
U16B
4560
5
6
7
U902B
4560
3
2
1
84
U902A
4560
D909
1N4148
D908
1N4148
D907
1N4148
R901
4.7K
R907
4.7K
R908
4.7K
R909
4.7K
R910
4.7K
R911
4.7K
R905
3.3K
R902
300k
R903
10k
R904
12k
R906
10M
R920
68k
R919
1k
R918
33k
R917
2k
R916
1k
R915
560
R914
100
R913
220
R912
220
D906
R
D905
Y
D904
Y
D903
G
D902
G
D901
G
C901
.01U
C902
1.5U
1
2
3
4
5
J901
+18+18
+18
-18
-18
From 10P3801 Motherboard
Left Meter Card
Clip
+6VU
0VU
-6VU
-12VU
-20VU
3
2
1
8 4
U16A
4560
5
6
7
U952B
4560
3
2
1
84
U952A
4560
D959
1N4148
D958
1N4148
D957
1N4148
R951
4.7K
R957
4.7K
R958
4.7K
R959
4.7K
R960
4.7K
R961
4.7K
R955
3.3K
R952
300k
R953
10k
R954
12k
R956
10m
R970
68k
R969
1k
R968
33k
R967
2k
R966
1k
R965
560
R964
100
R963
220
R962
220
D956
R
D955
Y
D954
Y
D953
G
D952
G
D951
G
C951
.01U
C952
1.5U
1
2
3
4
5
J951
+18+18
+18
-18
-18
From 10P3801 Motherboard
Ri
g
ht Meter Card
Clip
+6VU
0VU
-6VU
-12VU
-20VU
D102
Y
D101
G
D202
Y
D201
G
D301
G
R41
2k
R42
2k
2
3
1
SW102A
All Switches Shown In Out Position
2
3
1
SW101A
2
3
1
SW202A
2
3
1
SW201A
2
3
1
SW301A
D401
G
D501
G
D601
G
D701
G
D801
G
R43
2k
R44
2k
2
3
1
SW401A
2
3
1
SW501A
2
3
1
SW601A
2
3
1
SW701A
2
3
1
SW801A
Ch. 8
Mute
Ch. 7
Mute
Ch. 6
Mute
Ch. 5
Mute
Ch. 4
Mute
Ch. 3
Mute
Ch. 2
Mute
Ch. 2
Mic/Line
Ch. 1
Mute
Ch. 1
Mic/Line
+18+18 -18-18
Ch. 1-8 Mute Switch Indicators/
Ch. 1-4 Mic-Line Switch Indicators
D2
R
2
3
1
SW2A
Output
Mute
1
2
3
7
8
9
4
5
6
10
11
12
AB
DC
4PDT Switch
+18
-18-18
+18
1
2
3
4
5
J10
1
2
3
4
5
J11
+18
+18
-18
-18
RPeak
RMeter
LPeak
LMeter
H9
BRACKET 4-40
H10
BRACKET 4-40
+18
-18
+18
-18
-18
+18
D302
Y
2
3
1
SW302A
Ch. 3
Mic/Line
Ch. 4
Mic/Line
D402
Y
2
3
1
SW402A
3
2
1
84
U901A
4560
5
6
7
U901B
4560
3
2
1
84
U903A
4560
5
6
7
U903B
4560
5
6
7
U953B
4560
5
6
7
U951B
4560
3
2
1
84
U953A
4560
3
2
1
84
U951A
4560
-18
+18 +18
-18
D5
G
Power