C2, TM 11-6625-623-45
( 1 ) When making resistance measure-
2-4. Localizing Troubles
ments, disconnect the power cable
a. When to Check. When any of the follow-
from the 115-volt, 400-cps, ac power
ing conditions exist, perform the checks indi-
cated and clear the troubles before returning
(2) Remove the rear cover to reach the
inside components. Refer to figures
2-1, 22, and 23 for parts location.
(1) The nature of the abnormal symp-
(3) Set the function test set controls as
toms is not known.
indicated in the tests.
Chart. Make the volt-
(2) The abnormal symptoms reported by
age and resistance measurements indicated in
the operator indicate possible refer-
the following chart. If abnormal results are
ence voltage troubles.
obtained, refer to the troubleshooting chart
b. Conditions for Test.
(para 25) for additional isolating procedures.