Toa EV-200M - 28. BLOCK DIAGRAM

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28. BLOCK DIAGRAM
[VM-2120/-2240]
IT-450
(option)
SETTINGS (Phantom Power)
SETTINGS (INPUT 1 MIC/LINE) SETTINGS (INPUT 2 MIC/LINE) SETTINGS (INPUT 3 MIC/LINE)
HA
IT-450
(option)
HA
G
+
CPU
G
+
CPU
IT-450
(option)
HA
IT-450
(option)
HA
IT-450
(option)
OT
HA MA
G
+
CPU
G
+
C
E
H
CPU
RS-485 CPU
CPU CPU
Audio
CTRL IN 1
CTRL IN 2 CTRL IN 3
TEL PAGING INPUT 3 (MIC/LINE) BGM 1 (LINE) BGM 2 (LINE) INPUT 2 (MIC/LINE) INPUT 1 (MIC/LINE)
Ctrl In
LINK Remote mic Slave amp
(
(
Chime
Tone
CF card
sound source
1 kHz
Detector
SETTINGS
(Chime Tone Select)
EV-200M (option)
Auto fader
Mute level
BASS TREBLE
BGM vol
Tone
BASS TREBLE
INPUT 1 vol
Tone
BASS TREBLE
INPUT 2 vol
Tone
BASS TREBLE
INPUT 3 vol
MA
REC OUT
PRE
OUT
POWER AMP
IN
LINE OUT
MASTER vol
MASTER bypass
CPU
PA
Level meter
–30
–24 –17 –7 0 dB
ZONE 1
Zone select
Zone vol
(ATT)
ATT bypass
Zone
On/Off
ZONE 2 ZONE 3 ZONE 4 ZONE 5
CPU
CPU
N1
ATTENUATOR CONTROL EXTERNAL SP INPUT DIRECT OUT ZONE 1 ZONE 2 ZONE 3
Ground Fault
Detector
Impedance
Detector
Amp Fault
Detector
Watchdog
Timer
AC/DC
Detector
ZONE 4 ZONE 5
N2 C C H C H C H C H C H C H H
SV-200MA (option)
SURVEILLANCE
I/O
(D-sub 25P)
CPU
CPU
EEPROM
SW 2
SETTINGS (Master/Slave)
SW 3
POWER
EMERGENCY FAULT
AC MAINS
AC FUSE
DC FUSE
DC POWER IN 24 V DC
PT
Power
CONTROL I/O
( D-sub 25P)
24 V DC OUT
TEL PAGING vol
RM vol
CHIME vol