COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
FA2100CVR
Page 501
Nov. 01/98
Check
23–70–04
CHECK
1. GENERAL
This section contains the various checks that should be performed on the Model FA2100
Cockpit Voice Recorder during shop maintenance. Check procedures, when required,
are written in step-by-step procedures wherever practicable, and include specific meth-
ods, techniques, and equipment required. Electrical set up and checks are given in the
Testing and Troubleshooting Section 100 of this Component Maintenance Manual.
CAUTION: THE FA2100 CIRCUIT BOARDS ARE SUSCEPTIBLE TO ELECTRO–
STATIC DESTRUCTION (ESD). PRIOR TO HANDLING PWAs, ENSURE
PROPER PERSONNEL GROUNDING TECHNIQUES ARE USED.
ENSURE THAT CARDS ARE PLACED INTO STATIC SHIELDING
CONDUCTIVE BAGS WHEN HANDLING OR STORING.
2. CHECKS
A. Main Recorder Assembly
(1) Check the general physical integrity of the recorder; i.e. front panel ATE connector pins,
Underwater Locator Device (acoustic beacon) and J1A rear panel connector pins.
(2) Check that dust cover is serviceable, exhibiting no undue deterioration and is properly
painted.
B. Mechanical Inspection
(1) Remove the unit dust cover, refer to Section 300 Disassembly Section.
(2) Inspect all parts for cracks, distortion, excessive wear, and proper finish.
(3) Inspect all cast parts for cracks, especially at bosses, flanges, and other critical areas.
(4) Inspect circuit boards and connectors for loose terminals, pins, and screws, and check
for cracks in the boards that may have been brought about by environmental conditions.
(5) Check all wire leads for broken conductors, burnt or deteriorated installation, and loose
connections.
(6) Check all flat ribbon cable assemblies and associated connectors for broken conductors,
burnt or deteriorated installation, and loose pin connections.
Jan. 01/0
Rev. 04 Page 501
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