Power Supply Board - IBM System/32 Introduction And Maintenance Manual

9.2.24 Power Supply Board
Removal
1.
2.
3.
Turn power off at the operator control
panel.
Separate the printer from the power supply
(9.2.2).
Unplug the transformer leads from the board:
a. Black from points 4B (lead 12) and 4C
(lead 15)
m.
b. Blue from points 3 (lead 14) and 9 (lead
16)
Ii.
c. Red from points 2 (lead 11) and
8
(lead
13)
m.
4.
5.
6.
7.
Power Supply Board
Unplug and label the capacitor cable leads
II
as shown.
Remove the screw and stud from capacitor
C3
m.
Remove two fan mounting screws
m
and
move the fan aside.
Remove two board mounting screws
a
and
[!I
lift the board out.
. Board Mounting Screw
13A
0
8
0
8.
9-32
For installation, locate capacitor C3 as far to
the rear of the board as possible and locate
the board as far to the rear of the machine
as possible.
9. To reinstall board, reverse this procedure.
10. Be careful to install the cable
II
correctly.
14
Board Mounting Screw
O O O O O U U O OOOO
I. . ••
Capacitor Mounting
Screw and Stud
Red Leads