Olivetti MB-2 - Power Supply Unit

1-10 Service Manual
Y112890-3
ALIPR2 POWER SUPPLY
On the power unit controller board a fuse is provided to protect the printer from mains peaks and high charges.
Figure 1 - 7 Power supply unit
Connector pin-out and fuse ratings
The signals on the power unit connectors are given in the following.
Figure 1 - 8 Power unit connectors
14
1
1
2
3
4
5
6
7
8
9
(Alimentazione piastra base)
ROUT
-12 V
+12 V
+ 5 V
GND
GND
GND
35 V
35 V
F1
(Fusibile)
250 V 3,15 A
1
2
3
(Alimentazione esterna)
VAC
GND
VAC
14
1
Fuse 250V 3.15A
Motherboard Power Supply
External Power Supply