ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Malfunction
Test procedure
Normal indication
indication/corrective action
Before taking any corrective action or conducting any repairs, make certain that PS BATTERY and VEHICLE
circuit breakers CB1 and CB2 are in OFF positions or damage to the equipment may result.
NOTE
The Test Procedure column contains the test operation to be performed. The Normal Indication column contains
the desired test set or teletype response to the test operation. The malfunction indication(s) and corrective action(s)
are listed in the third column.
All switches, switch-indicators, and indicators called out in the procedure are located on the SPU, unless otherwise
indicated.
To change a CDU card assembly, perform the following in order given:
a. Press EXECUTE switch-indicator to off
b. Press ON/OFF and ENTER switch-indicators
c. Set PS BATTERY and VEHICLE circuit breakers CB1 and CB2 to OFF
d. Change card assembly. (Refer to paragraph 3-17a)
e. Set BATTERY and VEHICLE circuit breakers CB1 and CB2 to ON
f. Press PADS ON/OFF switch-indicator to ON
g. Repeat the test
Check that tape reels are not deformed and that tape runs smoothly through tape reader head.
1. TEST SETUP
1a. Check that the diagnostic align-
ment or solid state program is
loaded into computer memory
and that the computer is func-
tional in accordance with table
lb. If EXECUTE switch-indicator is
lighted press it to off
Change 6
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