Toa DA-250FH CE-AU - 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