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Parts Layout
(5 ch Expansion bd)
Note
All unmarked ICs
are NE5532 op amps
CN1
1
Mic 1
2
+12VDC
3
Mic 2
4
-12VDC
5
Ground (audio)
6
Ground (audio)
7
+48VDC
8
+48VDC
9
Ground (shield)
10
Ground (shield
CN2
1
Ch 5 Start logic
2
nc
3
Ch 4 Start Logic
4
nc
5
Ch 3 Start logic
6
nc
7
Ch 2 Start logic
8
nc
9
Ch 2 Cue Logic for TB to CR
10
nc
CN3
1
2
3
4
5
6
7
8
9
10
S E R V I C E & M A I N T E N A N C E
CH 7
CN1
mic jumper position
line jumper position
CN2
CN3
CN4
Add jumper
to mute the
channel
CN5
CN6
CH 5 FET Sw
CN4
+12VDC
1
nc
Gorund (audio)
2
nc
Ground (audio)
3
nc
Ground (audio)
4
nc
CH1 L
5
+5VDC
nc
6
+5VDC
Ch 2 L
7
Ground
Ch 1R
8
Gorund
Autocue
9
-5VDC
Ch 2R
10
-5VDC
Stereo Line Channel Inputs
CH 7
CH 6
CH 5
CH 4
CH 3
CH 2
In
In
In
In
In
Stereo Line Channel Input Preamps
CH 6
CH 5
CH 4
CH 3
In
In
In
In
In
none
CH 6 select CH 5 select
CH 5
P-A-Q Lgc
P-A-Q Lgc
(CD4049)
(CD4049)
CH 5
fader
makeup
gain
amp
CH 5
CH 4
Mute
Mute
CH 5
On Lgc
(CD4049)
CH 4 FET Sw
CH 3 FET Sw
P-A-Q
P-A-Q
(CD4053)
(CD4053)
CN5
1
2
3
4
5
6
7
8
9
10
6.7
Mono Mic Channel Inputs
Mic 3
Mic 2
In
In
CH 2
In
Mic 3 amp
Mic 2 amp
(SSM2019)
(SSM2019)
CH 3 select
CH 2 select
CH 4
CH 3
P-A-Q Lgc
P-A-Q Lgc
(CD4049)
CH 4
CH 3
fader
fader
makeup
makeup
gain
gain
amp
amp
CH 3
CH 2
Mute
Mute
CH 4
CH 3
On Lgc
On Lgc
(CD4049)
(CD4049)
CH 2 FET Sw
P-A-Q
P-A-Q
(CD4053)
(CD4053)
CN6
nc
1
nc
nc
2
Mute logic
nc
3
CR Mic to Hybrid talkback
nc
4
Ground
+5VDC
5
CR MicTakback to Studio
+5VDC
6
Cue
7
+14VDC
Aud L bus
8
+12VDC
Aud R bus
Gorund
9
Pgm L bus
Ground
10
Pgm R bus
Mic 1
In
In
Mic 1 amp
(SSM2019)
none
mic jumper position
line jumper position
CH 2
CH 1
P-A-Q Lgc
(CD4049)
(CD4049)
CH 2
CH 1
fader
fader
makeup
makeup
gain
gain
amp
amp
CH 2
CH 1
On Lgc
On Lgc
(CD4049)
(CD4049)
CH 1 FET Sw
P-A-Q
(CD4053)
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