Install guide
ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-6. Computer Diagnostic/Alignment Program – Continued
Malfunction
Test procedure
Normal indication
indication/corrective action
2k. Type TTY character set
Each character typed is printed
2l. Press LTRS key
2m. Press TTY CAR RET key to TTY prints out:
terminate test
CPU OP-CODE TEST PASS
MEMORY TEST PASS
CPU TEST PASS
NOTE
Memory clear routing will begin au-
tomatically. When completed, TTY
will print out: LOAD NEXT TAPE
SECTION.
2n. Press EXECUTE switch-indica- EXECUTE switch-indicator goes off
tor to off to halt computer
NOTE
For core memory diagnostic pro-
gram loading, proceed to step 3a. If
memory type is solid state, proceed
to step 2o.
2o.
2p.
2q.
2r.
2s.
Press REVERSE switch-indica- REVERSE switch-indicator
tor to on Tape rewinds and stops at
ning of reel
lights.
begin-
Press REVERSE switch-indica- REVERSE switch-indicator goes off
tor to off
Set tape reader SPOOLING
switch to DISABLE
Remove tape from tape reader
Refer to table 4-6.2 for solid
state memory loading instruc-
tions
3. DIAGNOSTIC PROGRAM
LOAD (Core Memory Only)
3a. Press MEMORY LOAD switch- MEMORY LOAD switch-indicator
indicator to on to load main di-
lights. Tape reader reads next tape
agnostic program
section and stops after first reel
has been read
Same as step 2j
No printout within 2 seconds or
TTY prints out:
CPU OP-CODE TEST FAIL
Same card replacement as step 2b
TTY prints out:
MEMORY TEST FAIL
Same card replacement as step 2h
EXECUTE switch-indicator re-
mains on:
Same card replacement as step 2b
Tape stops before end of tape: Re-
place tape
Change 1
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