Söring Arco-3000 - Block Diagram Mains Board 1;2

25/08/2004 © Söring Service-Manual Arco- and RF-units
1
not valid for A-3000/ -2000
2
not valid for Arco-2000
-23-
3
not valid for MBC600
4
not valid for Arco-1000
Block diagram mains board 1/2
+5V-switching control
+15V-switching control
-15V-control
fuse
fuse
rectifier
&
smoothing
rectifier
&
smoothing
&
&
Overload-
monitoring
+5V + V
Monitoring
+5V - V
Watchdog
window discriminator
+15V +/- V
-15V +/- V
mains voltage-
monitoring
(Watchdog) t2 ms
quartz frequency-
monitoring
(Watchdog) t1 ms
Thermal- fuse t°C
t°C
mains transformer secondary
mains transformer secundary
CPU Trigger t0 ms
+15V
-15V
thermal coupling
+5V +15V -15V EXT-Reset CPU
A1
+5V-supply