TM 11-5820-765-34
MATERIALS
Resistor, 0.56 ohm, 1000 watts
Resistor, 1.3 ohms, 1000 watts
Test Switch, Single-Pole, 60 ampere
Wire, Electrical, Stranded; No. 8 AWG
S e c t i o n II. TROUBLESHOOTING
3-3.
PROCEDURES
Follow procedures in Chapter 2 to localize and isolate trouble. Use paragraph 3-4 to test and
troubleshoot the circuit card assembly.
Capacitors carry a charge after power supply is shut off.
Before performing tests:
Shut off power supply.
Disconnect from ac power source.
Discharge
capacitors
by
shorting
out
with
shorting
rod.
General Instructions
Remove top panel (para 3-5).
Make visual check for overheated components or circuits. If there is visual evidence, check
suspected circuit card component with multimeter.
I f there is no evidence of overheating, remove circuit card from the unit (para 3-5) and ex-
amine it. If the board is blistered, cracked, or broken, the board must be replaced. You can
replace
defective
components
and
repair
cracked
or
open-circuited
wiring.
Measurements
Test equipment: Multimeter TS-352B/U
