Maintenance Procedures.

TM 32-5865-218-24&P

Table 5-4.

Countermeasures Control Audio Test Connections

and Display Data

Defective

Normal

Oscilloscope

Test oscillator

component

(+)

indication

(-)

J2-C

J2-E

J6-C

J6-D

J2-E

J6-q

J2-G

J6-p

T10

J6-b

J6-p

J6-q

J6-a

J6-S

J6-k

J6-R

J6-j

J2-E

J6-k

J2-P

J6-j

J6-F

J6-E

J6-k

J6-j

This paragraph contains general main-

5-10. Maintenance Procedures.

tenance procedures that are common to the ECM panel indicator and the

For the ECM panel indicator, remove the

countermeasures control.

enclosure as given in paragraph 5-11a and perform the following

items. For the countermeasures control, remove the top and bottom

covers as given in paragraphs 5-12a and 5-12c, then perform the

following items.

a. Chassis Inspection. To inspect the ECM panel indicator or the

countermeasures control chassis mounted components, proceed as

follows:

Check for discolored, burned or cracked wire insulation,

(1)

or broken wires or terminals. Also check for damaged

heat shrink tubing.

(2)

Check cables for correct pin depths.

Check for loose or broken tie wrap mounts, mounting

(3)

clamps, or tiedown straps.

(4)

Check for cracked circuit breaker casings and for damaged

terminal boards.

(5)

Check for discolored (cold) , cracked, or loose solder

connections.

Check for leaking, bulging, or burned transformers,

(6)

capacitors, or filters.

Check for discolored, burned or cracked diodes, resistors

(7)

or other semiconductors devices.

Check for damaged brackets, covers, housing, and plates.

(8)

Check for loose or missing attaching hardware.

5-25