The power supply is capable of operating with the following ac
power sources.
Frequency
Nominal Voltage
Range
100
9 0 -1 0 7
120 104 -127
49 to 61 Hz
220
198 -235
230 207 - 246
240 21 6 -2 5 7
The average ac input wattage is 70W (Basic Model w/o periph
erals). The outputs of the standard power supply are:
Supply
Regulated
Max. Current
Ripple
+18V to +35V
+18V to +35V
+ 5.1V± 3%
+12.2V+ 3%
10.0 A
3.2 A
< 50mVpp
< 120mVpp
Models with hard/flexible disk combination require a larger
transformer and switcher assembly. The outputs of these are:
Supply
Regulated
Max. Current Ripple
+18V to +35V
+18V to +35V
+ 5.1V± 3%
+12.2V+ 3%
13.0 A
4.1 A
< 50mVpp
< 120mVpp
The color CRT also requires a larger transformer, but the
standard switcher and rectifier can be used for controller board,
flexible disks, keyboard, and I/Fs. The rectifier and switcher for
the color CRT are placed on the CRT board.
Output power requirements for the color CRT are:
Regulated Max. Current Ripple
107V±2V
0.5 A <400mVpp
2 -2 2
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