Section I. TROUBLESHOOTING
(b) Check all switches and controls for
6-1. Troubleshooting Techniques.
ease of operation.
a. General. The first procedure in servicing a
(c) Inspect for loose or missing screws,
defective voltmeter is to sectionalize the fault.
(2) Operational tests. Operational tests
Sectionalization consists of tracing the fault to a
frequency indicate the general location of trouble.
printed circuit b o a r d or chassis. Once the
In many instances, the test will determine the
d e f e c t i v e board is located, isolation to the
exact n a t u r e o f t h e f a u l t . The operating
defective part is accomplished. Troubleshooting
procedures (para 3-4), preventive maintenance
ia performed by the general support repairman.
b. Sectionalization. Listed in (1) through (4)
below is a group of tests arranged to help locate
brought in for repair, remove the top cover and
inspect as follows:
(a) Check to see that all confections and pc
localize trouble to a component.
boards are properly seated. Repair or replace any
connections or leads that are broken or otherwise