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ARC-15 Parts Layout
DC
Cue
CH 9
Air
Mon
Power
In
In
In
Out
RS232 Logic
Mute
Transistors
FET Sw
(CD4053)
CN10
ARC10
VU Meter
Monitor
Cable Conn
SW amp
CN12
-12V
CN11
RS232 Cable
Volume
led
Monitor
Control
Select
Cable Conn
FET Sw
(CD4052)
PGM
Headphone
mix
Phone
Autocue
amp
SW amp
FET Sw
(CD4053)
Talk
Mix the Phone
Phone
CN14
channel
Talkback
Cue Speaker
with the Main
FET Sw
Cable Conn
Output buses
(CD4053)
-5V
Mon Sel Lgc
led
Cue
Dual 'D' flip flop
Speaker Amp
(74AC74)
(LM386)
AUD
Air
mix
Headphone
amp
Amp Left
Pgm
(LM386)
CN15
Aud
Headphone
Mon Sel Lgc
Cable Conn
Quad 'AND' gate
(74AC08)
Headphone
Pgm
Aud
Amp Right
A
Cue
(LM386)
/
Q
Summing amps
Mic
+5V
CH 15 FET Sw
Talkback
led
P-A-Q
(CD4053)
(10 channel main board)
Mono
AUD
PGM
Phone
Phone
PGM
Out
Out
Out
Logic
Out
Out (R)
CN7
Phone
PGM
Out
R out
to VU Meter bd
Monitor
in VU housing
Out
Phone Logic
Reed relays
USB
& Transistors
Mono
PGM
AUD
REC IN
Mix
unbal
unbal
A P A P
+12V
Out
Out
Out
CN13
Remote Logic Cable
led
CH 15
CH 14
CH 13
P-A-Q Lgc
P-A-Q Lgc
P-A-Q Lgc
(CD4049)
(CD4049)
(CD4049)
A
/
P
Q
CH 15
CH 14
CH 13
fader
fader
fader
makeup
makeup
makeup
gain
gain
gain
amp
amp
amp
CH 15
CH 14
CH 13
On Lgc
On Lgc
On Lgc
(CD4049)
(CD4049)
(CD4049)
P
CH 14 FET Sw
CH13 FET Sw
CH 12 FET Sw
P-A-Q
P-A-Q
P-A-Q
(CD4053)
(CD4053)
(CD4053)
PGM
Phone
Ch14
CH13
CH12
Out (L)
In
USB
In
In
Ch 14 In
Unbal/USB
USB Codec
L L R R
(PCM2900)
Phone
PGM
CH13
In
L out
Codec
Output
12MHz
Filter
Xstal
Codec
CN2
Record
CH13
to 5 ch Expan Bd
Filter
In
CH12
CH 11
CH 10
P-A-Q Lgc
P-A-Q Lgc
P-A-Q Lgc
(CD4049)
(CD4049)
(CD4049)
CH 12
CH 11
CH 10
fader
fader
fader
makeup
makeup
makeup
gain
gain
gain
amp
amp
amp
CH 10
CH 12
CH 11
On Lgc
On Lgc
On Lgc
(CD4049)
(CD4049)
(CD4049)
CH 11FET Sw
CH 10 FET Sw
CH 9 FET Sw
P-A-Q
P-A-Q
P-A-Q
(CD4053)
(CD4053)
(CD4053)
Note
All unmarked ICs
are NE5532 op amps
CH11
CH10
CH9
CH 8
48V
Mic5
In
In
In
In
phntm
In
power
CH12
CH11
CH 10
CH9
CH 8
Mic 5 amp
Mic4 amp
Channel Input Preamps
(SSM2019)
(SSM2019)
CH12
CH 11
CH10
CH9
CH 8
In
In
In
In
In
CH 6
P-A-Q Lgc
CH 9
CH 8
CH 7
(CD4049)
P-A-Q Lgc
P-A-Q Lgc
P-A-Q Lgc
(CD4049)
(CD4049)
(CD4049)
CH 9
CH 8
CH 7
fader
fader
fader
makeup
makeup
makeup
makeup
gain
gain
gain
amp
amp
amp
CH 9
CH 8
CH 7
On Lgc
On Lgc
On Lgc
(CD4049)
(CD4049)
(CD4049)
(CD4049)
CH 8 FET Sw
CH 7 FET Sw
CH 6 FET Sw
P-A-Q
P-A-Q
P-A-Q
(CD4053)
(CD4053)
(CD4053)
1.17
Mic4
In
CN1
Note#1
CN1-6 correspond
with CN1-6 on the 5
channel PC board
CN3
CN4
CH 6
fader
gain
amp
CH 6
On Lgc
CN5
CN6
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