ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Computer Diagnostic/Alignment Program Using Tape Reader, Part No. 877406-2--Continued
Malfunction
indication/corrective action
Normal indication
Test procedure
NOTE
T h e above printout indicates
memory type is solid state. Con-
tinue with diagnostic program load,
step 2K.
Same as step 2j
Each character typed is printed
2k. Type TTY character set
2l. Press TTY LTRS key
No printout within 2 seconds or
TTY prints out:
2m. Press TTY CAR RET key to
TTY prints out:
terminate test
CPU OP-CODE TEST PASS
CPU OP-CODE TEST FAIL
MEMORY TEST PASS
Same card replacement as step 2b
CPU TEST PASS
TTY prints out:
MEMORY TEST FAIL
NOTE
Same card replacement as step 2h
Memory clear routing will begin
automatically. When completed,
TTY will print out:
LOAD NEXT TAPE SECTION
EXECUTE switch-indicator re-
EXECUTE switch-indicator goes
2n. P r e s s EXECUTE switch-
mains on:
off
indicator to off to halt
computer
Same card replacement as step 2b
NOTE
For core memory diagnostic pro-
gram loading, proceed to step 3a. If
memory type is solid state, proceed
to step 2o.
2o. Set tape reader FAST/SLOW
switch to FAST
REVERSE switch-indicator lights.
2 p . Press REVERSE switch-
Tape rewinds and stops at begin-
indicator to on
ning of reel
REVERSE switch-indicator goes
2q. P r e s s R E V E R S E s w i t c h -
off
indicator to off
2r. Lift tape reader read head
cover and remove tape from
tape reader
loading
memory
state
instructions
DIAGNOSTIC PROGRAM
3.
LOAD (Core Memory Only)
4-54.8
Change 1