ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-6.3. Solid State Memory Loading Using Tape Reader, Part No. 877406-2 - Continued
Malfunction
indication/corrective action
Normal indication
Test procedure
REVERSE switch-indicator lights. Tape
2r. Press REVERSE switch-in-
rewinds and stops at beginning of
dicator to on
reel
REVERSE switch-indicator goes off
2s. Press REVERSE switch-ii-
dicator to off
2t. Lift tape read head cover and
remove tape from tape reader
EXECUTE switch-indicator lights
2u. Press EXECUTE switch-in-
dicator to on to start diagnostic
TTY prints out:
program
PADS SOLID STATE DIAGNOS-
TIC ALIGNMENT PROGRAM
PROGRAM CHECKSUM XXXXXX
SELECT TEST MODE
Checksum is incorrect: Inspect tape
Checksums are equal
2v. Compare printed checksum to
reader and tape for dirt. Clean as
checksum written on the front of
required
the PADS solid state program
tape number 868182-X
Reload complete solid state program
NOTE
If new checksum is correct, continue
If a computer test is required go to
with test. If new checksum is same
as the old (wrong) checksum
required press EXECUTE switch-
Perform PADS test set self-test
indicator to off, sequentially press
and take indicated corrective ac-
PADS ON/OFP switch-indicator and
tion
ENTER switch to turn off computer;
and go to table 4-11 or 4-14.1 to per-
Replace computer card assemblies in
form a CDU or IMU test, respec-
the order shown in step Ii and
tively.
reload tape after each card is re-
placed
If new checksum differs from the old
(wrong) checksum Adjust tape
reader and reload tape. Thorough-
ly clean or replace tape
.
4-55
Change 6
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