Install guide

ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-19. PS Testing and Troubleshooting
Malfunction
Test procedure
Normal indication indication/corrective action
1.
la.
lb.
lc.
ld.
The PS contains 115 volts ac. DEATH OR SERIOUS INJURY may result from contact
with 115 volts ac. Be careful when performing the PS testing and troubleshooting
procedure.
DEATH OR SERIOUS INJURY may result if power is not turned off before removing
covers, unsoldering wires, or measuring resistance. Be sure to disconnect cable assem-
blies W304 and W305.
NOTE
All controls, indicators, switches, switch-indicators, and test jacks called out in the test-
ing and troubleshooting procedure are located on the PSTS, unless otherwise indicated.
After the PS shuts down, wait at least 5 seconds before turning the PS on.
TEST SETUP.
Perform PSTS self-test in accordance with
TM 5-6675-309-14. Marine Corps users
shall refer to TM 08840A-14/l
Check that PSTS INPUT POWER switch is
OFF
Adjust current limit of variable power supply
to 5 amperes
Connect equipment as shown in figure 4-10
and the following checklist:
Cable Unit
W301P1 PS 3J5
W301P2
PSTS J3
W302P1 PS 3J3
W302P2 PSTS J2
W303P1 PS 3J1
W303P2
PSTS J1
NOTE
Refer to figure 4-19 for Power Supply
printed circuit card locations.
4-109