AC inlet
Degauss
Degauss
FIG. 6 BLOCK DIAGRAM FOR POWER SUPPLY CIRCUIT
Circuit #1
Circuit
Manual
Chopper
Control
+ 12V
Control
Standby power supply
8
Main power supply
Circuit #2
Chopper
Circuit #3
Chopper
+B
+85V
+54V
+14V
On/Off
control
+ 6.2V
5V
MPU
Reg.
Heater
On/Off
On/Off
control