TM 11-6625-3081-23
2-29. 488 CONTROLLER POWER SUPPLY ASSEMBLY 1A2 REPAIR (cont)
2-29
3. PROGRAMMER CARDS 1A2A1 THROUGH
1A2A4 REPLACEMENT
NOTE
This procedure is used to replace any
of four programmer cards contained in
the 488 controller power supply
assembly.
REMOVAL
a.
On front panel of 488 controller
power supply assembly (1), loosen
two screws (2), and open panel
door (3).
b.
Locate failed programmer card.
Programmer
Item
Card
4
A1
5
A2
6
A3
7
A4
CAUTION
Use care when removing programmer
card.
Careless handling may cause
damage to tracks and components.
c.
Pull down on thumb lever (8) and
remove programmer card (4, 5, 6,
or 7) by pulling straight out.
INSTALLATION
d.
On replacement programmer card
verify fuse (9) rating.
e.
Position 115/230 vac select
switch (10) to 115.
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