ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-6.1. Computer Diagnostic/Alignment Program Using Tape Reader, Part No. 877406-2 -- Continued
Malfunction
indication/corrective
action
Normal indication
Test procedure
1g. Ensure that tape reader SPL/
LOOP switch is set to LOOP
SPU ON and PADS OFF switch-
1h. Press SPU ON switch-indicator
indicators light. COMP FAIL in-
to on. Press to extinguish all
d i c a t o r may light. All lamps
SPU lighted switch-indicators
pressed extinguish
except SPU ON and PADS OFF
li. T u r n T T Y p r i n t e r M O T O R
switch to ON
If no lamp light, press and release
All SPU lamps light except LAMP
lj. P r e s s and hold LAMP TEST
S E L F TEST switch and press
and
TEST
and
ENTER
switch. Release after verifying
LAMP TEST switch again
lamps light properly
FAILURE/ACTION indicator re-
mains blank for at least 1.5 sec-
onds
If lamps are partially lighted, re-
FAILURE/ACTION indicator se-
place in accordance with TM
quentially displays the following
5-6675-238-14
and/or TM
within 15 seconds after pressing
08839A-14/1
and releasing L A M P T E S T
switch:
Indication
NOTE
Blank
F o r abnormal indication, verify
equipment is connected as shown in
30
bent or broken pins. Troubleshoot
PADS test set in accordance with
20
TM 5-6675-238-14 and/or TM
08839A-14/1.
Blank
88
Blank
32
Blank
77
lk. Turn on + 28V power source
1l. Set PS BATTERY and VEHI-
CLE circuit breakers CB1 and
CB2 to ON
2. CPU TEST/MEMORY CLEAR
NOTE
If any card assembly is replaced dur-
ing this test, repeat the test from
step 1i.
4-54.4
Change 1
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