Install guide

ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 3-5. Computer Circuit Card Assembly Identification
Figure 3-7
card Cards nomenclature and
i&iex no.
Pati no.
reference designator
Part no. location on card
20
880788-3 (preferred)
880788-1,
88:;:;;jmd
(altema;e)
21
22
880740-4
(preferred)
880740-2
(aitemate)
880778-3
(preferred)
880730-3,
880730+
880778-1, and
880778–2 (aitemate)
23 880745-2
24 880748-1
(preferred)
88070S2
(alternate)
25 880795-1
26 880785-1
27 880775-1
28
880755-1
A/D converter circuit card
assembly Al 1
1/0 discrete circuit card
assembly A9
Platform 1/0 circuit card
assembly A8
1/0 controller circuit card
assembly A7
Data huller circuit card
assembly A6
Control no. 3 circuit card
assembly AS
Control no. 2 circuit card
assembly A4
Control no. 1 circuit card
assembly A3
18-bit data circuit card
Near top edge (opposite connector
end) on component side
Along side edge about middle of
board on component side
Near top edge (opposite connector
end) on component side
Near top edge (opposite connector
end) on component side
Near top edge (opposite comector
end) on component side
Near top edge (opposite connector
end) on component side
Along side edge near top edge
(opposite connector end) on
component side
Near top edge (opposite connector
end) on component side
Along side edge near top ,edge
assembly A2
(opposite comector end) on
component side
(b) Loosen (turn counterclockwise) two screws
(8) securing wedgelock (9) until memory
unit (7 or 7. 1) is free.
NOTE
It may be necessary to loosen the wedges
if they become frozen. This can be done
by simply tapping the wedge screws
downward until the bottom wedges be-
come loose. The top wedges may be loos-
ened by placing a 1/8-inch straight-slot
screw driver between the memory upper
wedge and the computer outside case,
prying the wedge inward until loose.
(c) Use card extractor to remove memory unit
(2)
Replacement.
NOTE
Inspect mating connectors for bent or
broken pins before installing a memory
unit.
(a) Install memory unit (7 or 7.1) as follows:
1. Insert memory unit into slot in computer
with wedge-locks facing to the rear of
computer and carefully guide it into
place.
Change 7
3-31