ARMY TM 5-6675-238-14
MARINE CORPS TM 08839A-14/1
Table 8-6.1. PADS Test Set Self-Test Procedure Using Tape Reader, Part No. 877406-2 - Continued
Malfunction
Test procedure
Normal indication
indication/corrective action
g. If + 15V is present between W7
and W78, adjust Z3 according to
h.
i.
j.
k.
l.
procedure 8-23g
If Z3 cannot be adjusted, replace
Z3
Check PS4 output voltage at
W8(+) and W9(-) for -15V
If -15V is not present, check for
115 VAC between terminals 1 and
2 of PS4
If 115 VAC is not present be-
tween terminals 1 and 2 of PS4,
check R4 and replace if necessary
If 115 VAC is present and -15V
is not present at output of PS3
between W8 and W9, disconnect
Z4 and recheck -15V at W8 and
W9
m. If -15V is still not present, re-
place PS4
n. If -15V is not present between
W8 and W9, adjust Z4 according
to procedure 8-23g
o. If Z4 cannot be adjusted, replace
Z4
FAILURE/ACTION indicator se-
quences numbers and blanks cor-
rectly but some of the displayed
numbers are incorrect:
a. If wrong numbers are displayed in
either FAILURE/ACTION indi-
cator module, switch connectors
at bottom of DS10
b. If after switching connectors on
DS10, wrong numbers still dis-
played in same module, replace
that module
c. If after switching connectors, the
wrong numbers are displayed in
other module, replace A3 then A1
FAILURE/ACTION indicator does
not sequence properly: Replace
A3
FAILURE/ACTION indicator does
not display:
Change 1
8-54.5
