Certain CCAS contain electrostatic discharge
sensitive (ESDS) devices that can be damaged
by static electricity.
methods and materials must be used to prevent
Do not touch or remove any ESDS device
or circuit without properly grounding your body,
tools, and test equipment. Handle such CCAS on
the edges only, and store such CCAS in conduc-
tive (antistatic) bags.
Check for cracked or broken ejectors.
Check for cracked circuit card.
Check for loose or damaged shields or heat sinks.
Check for loose, broken, or damaged printed wiring traces
Check for loose or damaged connectors
Check for discolored, burned, or broken wiring straps.
Check for cracked, discolored, or burned component
Check for burned or broken resistors, diodes,
transistors, and ICS.
Check for leaking, bulging, cracked or burned
capacitors or inductors.
Replace CCA in accordance with paragraph 5-12g.
5-11. ECM Panel Indicator Procedures. ECM panel indicator
maintenance consists of removing the enclosure and, if required,
Figure 5-9 shows
repairing the unit using the following procedures.
ECM panel indicator component locations. Procedures reference
components by parenthetical numbers keyed to figure 5-9.
Before performing the repair procedure, ensure that power
is disconnected from the ECM panel indicator.
Refer to figure 5-9 and proceed as follows:
(1) At the rear of the unit, remove the nut (1) from terminal
stud E3 (2).