Block diagrams, Da-250f – TOA Electronics DA-250FH CU User Manual
Page 16
16
H
C
CH 1 INPUT
E
H
C
CH 2 INPUT
E
Current Limitter
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
volume
control
+4 dB
-
10 dB
CH 2 sensitivity
selection jumper
(+4 dB/
-
10 dB)
CH 2
volume
control
ON
OFF
BRIDGE 1 ON/OFF switch
+
-
BRIDGE 1
OUTPUT
Current Limitter
Short Detector
Protection Circuit
OUTPUT 2
relay
+
-
CH 1 to all
switch
Current Limitter
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
volume
control
+4 dB
-
10 dB
CH 4 sensitivity
selection jumper
(+4 dB/
-
10 dB)
CH 4
volume
control
ON
OFF
BRIDGE 2 ON/OFF switch
+
-
BRIDGE 2
OUTPUT
Current Limitter
Short Detector
Protection Circuit
OUTPUT 4
relay
+
-
H
C
CH 3 INPUT
E
H
C
CH 4 INPUT
E
14. BLOCK DIAGRAMS
14.1. DA-250F