COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
FA2100CVR
Rev. 15 Page 4
Apr. 14/16
Introduction
23–70–04
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to the restrictions on the cover page of this document.
C.
TESTING AND TROUBLESHOOTING
Sections 100 and 200 contains specific checks and tests required to determine the
operational condition of a unit that has been removed from service. Also included in
the section are tables of required test equipment, test set-up data, procedures, and
test parameters. Troubleshooting data is presented in a tabular form with each
entry related to a specific test and fault isolation task. Fault isolation is provided to a
Level-2 maintenance, or circuit board removal and replacement level.
No calibration of circuit boards within the Model FA2100CVR is required. The Model
FA2100 Solid-State Cockpit Voice Recorder is considered an “ON CONDITION
LRU”.
D.
DISASSEMBLY
This section provides all the information required to completely disassemble the
FA2100CVR to its Lowest Replaceable Unit (LRU) defined by the maintenance phi-
losophy as the circuit board assemblies. The steps of each procedure are coordi-
nated with the TESTING AND TROUBLESHOOTING Section. Access to subassem-
blies within the FA2100CVR is described such that there is minimal disturbance to
other subassemblies.
Each major disassembly task is accompanied with a line art exploded-view of the
subassembly area which is cross referenced to the applicable Illustrated Parts List
(IPL) drawing for ordering replacement parts.
E.
CLEANING
This section contains a listing of all required cleaning materials, procedures for
cleaning material use, and applicable warnings and cautions related to the use of
prescribed cleaning solvents.
F.
CHECK
This section contains the check procedures that may be required during shop main-
tenance. It covers Mechanical Inspection, Electrical Inspection and ULD Inspection
procedures.
G.
REPAIR
This section contains the Model FA2100CVR maintenance philosophy, which pro-
vides for Level-2 removal and replacement of failed circuit board assemblies only.
H.
ASSEMBLY
This section contains detailed step-by-step procedures describing the complete as-
sembly of the Model FA2100 Solid-State Cockpit Voice Recorder. Each major as-
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