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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
10S8210-3.sch
10s8210
DLM-821
(
Channels 5-8
)
James B Franks
Sheet # of
36
847 Holt Road
Webster, NY 14580-9103
Phone: Fax:
(716) 872-0010
(716) 872-0739
Print Date
22-Jan-2004
11:47:28
A->B @ 157%
C
R503
10.0k
R504
10.0k
R506
10.0k
R507
10.0k
C504 27p
C503
27p
3
2
1
8 4
U501A
4560
5
6
7
U501B
4560
D503
1N4148
D504
1N4148
R510
10.0k
R509
10.0k
R512
10.0k
R511
10.0k
C506 27p
C505
27p
R513
5.6k
R514
5.6k
R515
5.6k
R516
5.6k
VR501A
B20k
VR501B
B20k
VR501D
B20k
VR501C
B20k
Right
Left
Channel 5
Level
Level
Pan
5
6
4
SW501B
10
11
12
SW501D
In
In
Channel 5 Mute
In = Channel On
1
2
3
7
8
9
4
5
6
10
11
12
AB
DC
4PDT Switch
A
B
D
C
Four-Ganged Pot
CW
R603
10.0k
R604
10.0k
R606
10.0k
R607
10.0k
C604 27p
C603
27p
3
2
1
8 4
U601A
4560
5
6
7
U601B
4560
D603
1N4148
D604
1N4148
R610
10.0k
R609
10.0k
R612
10.0k
R611
10.0k
C606 27p
C605
27p
R613
5.6k
R614
5.6k
R615
5.6k
R616
5.6k
VR601A
B20k
VR601B
B20k
VR601D
B20k
VR601C
B20k
Right
Left
Channel 6
Level
Level
Pan
5
6
4
SW601B
10
11
12
SW601D
In
In
Channel 6 Mute
In = Channel On
6
5
4
3
2
1
J501
EUROBLOCK 6
6
5
4
3
2
1
J601
EUROBLOCK 6
RPeak
RDuckBus
LDuckBus
LPeak
LDuckBus
RDuckBus
LPeak
RPeak
-18
+18
-18
+18
R403
1.15K
R404
1.15K
R406
39.2K
R407
39.2K
C404 27p
C403
27p
3
2
1
8 4
U401A
2043
5
6
7
U401B
2043
D403
1N4148
D404
1N4148
R410
10.0k
R409
10.0k
R412
10.0k
R411
10.0k
C406 27p
C405
27p
R413
5.6k
R414
5.6k
R415
5.6k
R416
5.6k
VR401A
B20k
VR401B
B20k
VR401D
B20k
VR401C
B20k
Left
Level
Level
Pan
5
6
4
SW401B
10
11
12
SW401D
In
In
Channel 4 Mute
In = Channel On
R303
1.15K
R304
1.15K
R306
39.2K
R307
39.2K
C304 27p
C303
27p
3
2
1
8 4
U301A
2043
5
6
7
U301B
2043
D303
1N4148
D304
1N4148
R310
10.0k
R309
10.0k
R312
10.0k
R311
10.0k
C306 27p
C305
27p
R313
5.6k
R314
5.6k
R315
5.6k
R316
5.6k
VR301A
B20k
VR301B
B20k
VR301D
B20k
VR301C
B20k
Left
Level
Level
Pan
5
6
4
SW301B
10
11
12
SW301D
In
In
Channel 3 Mute
In = Channel On
6
5
4
3
2
1
J301
EUROBLOCK 6
6
5
4
3
2
1
J401
EUROBLOCK 6
RPeak
RDuckBus
LDuckBus
LPeak LPeak
LDuckBus
RDuckBus
RPeak
+18
-18-18
+18
5
6
4
SW302B
Mic/Line
In-Mic
2
3
1
SW304A
SW DPDT
5
6
4
SW304B
SW DPDT
Stereo/Mono
Stereo = Out
5
6
4
SW402B
Mic/Line
In-Mic
2
3
1
SW404A
SW DPDT
5
6
4
SW404B
SW DPDT
Stereo/Mono
Stereo = Out
R305
1.15K
R405
1.15K
Ri
g
ht/Mono/Mic
Channel 3
2
3
1
SW303A
SW DPDT
5
6
4
C301
47U
C302
47U
R301
3.3K
R302
3.3K
+18
Phantom Pwr
+18SW2
Ri
g
ht/Mono/Mic
Channel 4
C401
47U
C402
47U
R401
3.3K
R402
3.3K
Phantom Pwr
+18SW2
R408
1.15k
10
11
12
SW402D
Mic/Line
In-Mic
R308
1.15k
10
11
12
SW302D
Mic/Line
In-Mic
C307
.1U
C308
.1U
-18
+18
C407
.1U
C408
.1U
-18
+18
C509
47U
C510
47U
C610
47U
C609
47U
C409
47U
C410
47U
C309
47U
C310
47U