Clear-Com ICS-2003 - Page 40

ICS-2003 INTERCOM STATION
3-6
Figure 12: Analog Block diagram—ICS-2003 Main PCB
This page is a place holder.
EQ
EQ
EQ
DTMF Generator
AUX. AUDIO OPTION
HOT MIC OUTPUT SA OUTPUT
SPEAKER FEED OUT
ANNOUNCE TONE FROM MICROPROCESSOR
RS-422 COM MODULE
4-WIRE TAL K 4-WIRE LISTEN
BALLANCED PROGRAM INPUT
HEADPHONE #1 HEADPHONE #2
SPEAKER
PANEL MICROPHONE HEADSET MICROPHONE
MIC GAIN TRIMS & SWITCHES
LIMITER
MICROPROCESSOR CONTROLLED VCA VOLUME CONTROLS & MUTE SWITCH
MICROPROCESSOR CONTROLLED AUDIO SWITCH
ICS-2003 AUDIO BLOCK DIAGRAM
Jan. 14, 1998
Intercom Intercom Intercom Program Program Program Sidetone Sidetone
Sidetone
Program
1 1 1 2
2
2
3 3
3 3
PROGRAM VOLUME INTERCOM VOLUME