ARMY TM 5-6675-308-34
MARlNE C0RPS TM 08837A-34/2
Table 4-22. Computer Power Supply Wiring Harries A3 Wiring Data-Continued
From
To
Branch
Color
NOTES
1. All wire is MIL-W-16878/4, Type E-22, 19 strands, except wire between A2-30 and
A2-31 which is uninsulated, type S, 22 AWG, solid, soft, tinned.
2. Termination points A3-1, etc, are located on interconnect printed wiring board as
shown on figure 4-16.
(1) Control and display unit cover. Remove and
replace control and display unit cover (12, figure 4-17)
a. CDU Testing. Testing is performed using the
as follows:
PADS test set as described in paragraph 4-10.
(a) Removal
b. CDU Repair. CDU repair consists of removal
1.
Remove 16 screws (29), and washers (30)
and replacement of circuit card assemblies, chassis-
securing control and display panel (31) to
mounted components, cover, panel, gasket, and repair
control and display unit cover (12). Sepa-
of the flexible harness, Figure 4-17 is an exploded view
rate control and display unit cover (12)
of the CDU, Refer to table 3-6 for circuit card identifi-
and control and display panel (31) to per-
cation. Replacement of circuit cards are described in
mit access to electrical and mechanical
connections.
Remove screw (17) securing terminal lug
2.
(16) to control and display unit cover (12.
).
3. Remove hvo screws (35) and four fiber
Before conducting any repairs or perform-
washers (33 and 34) securing wiring har-
ing any disassembly procedures, make
ness (36) to control and display unit cover
..
certain, that PS BATTERY CB1 and VE-
(12).
HICLE CB2 circuit breakers are in OFF
4. Tag and unsolder wires connected to au-
position or damage to equipment may
result.
dible alarm DS3 (13).
4-140
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