Block diagrams, Da-250f – Toa DA-250FH CE-AU User Manual
Page 16
16
13. BLOCK DIAGRAMS
13.1. DA-250F
H
C
CH 1 INPUT
E
H
C
CH 2 INPUT
E
Current Limiter
Short Detector
Protection Circuit
OUTPUT
1
relay
CH 1
OUTPUT
CH 2
OUTPUT
+4 dB
-
10 dB
CH 1 sensitivity
selection jumper
(+4 dB/
-
10 dB)
CH 1
input level
control
+4 dB
-
10 dB
CH 2 sensitivity
selection jumper
(+4 dB/
-
10 dB)
CH 2
input level
control
ON
OFF
BRIDGE 1 ON/OFF switch
+
-
BRIDGE 1
OUTPUT
Current Limiter
Short Detector
Protection Circuit
OUTPUT
2
relay
+
-
CH 1
T
O
ALL
switch
Current Limiter
Short Detector
Protection Circuit
OUTPUT
3
relay
CH 3
OUTPUT
CH 4
OUTPUT
+4 dB
-
10 dB
CH 3 sensitivity
selection jumper
(+4 dB/
-
10 dB)
CH 3
input level
control
+4 dB
-
10 dB
CH 4 sensitivity
selection jumper
(+4 dB/
-
10 dB)
CH 4
input level
control
ON
OFF
BRIDGE 2 ON/OFF switch
+
-
BRIDGE 2
OUTPUT
Current Limiter
Short Detector
Protection Circuit
OUTPUT
4
relay
+
-
H
C
CH 3 INPUT
E
H
C
CH 4 INPUT
E