Arrakis Systems MARC-15 Manual Page 76

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S E R V I C E & M A I N T E N A N C E
Stereo Line Module
6.7
‘A’ input
trimpots
‘B’ input
trimpots
‘A’ input
preamp
NE5532
‘B’ input
mic preamp
NE5532
Start Relay
Stop Relay
2N3904
relay drivers
A/B Logic
CD4049
Pgm/Aud Logic
CD4049
Utl/CueLogic
CD4049
A/B analog
switch
CD4052
A/B sum amp
NE5532
Fader amp
NE5532
Channel
On-off
Logic
CD4049
Cue bus
assign switch
CD4053
Pgm/Aud/Utl bus
assign switch
CD4053
Pgm/Aud/Utl bus
assign switch
CD4053
On-Off Tally Logic
2N3904
The MARC-15 console is designed for modular
replacement rather than component level field
repair. The console is modular and modules can be
replaced for immediate repair. The power supply is
external and plug in. ICs are plug in. The rotary
faders are plug in.
For board level part replacement, this page displays
a physical board layout with descriptions of the
functions of each IC. For repair, simply replace the
ICs associated with the function that has failed on
the module.
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