L3 FA2100 CVR Component Maintenance Manual With Illustrated Parts List page 74

however only the FA2100CVR P/Ns:2100−1025/1026/1027−XX, supports OMS in soft-
ware. Only FA2100 CVR P/N: 2100−1025/1026/1027−XX, supports RIPS Monitoring sta-
tus and Datalink.
5. MAINTENANCE PHILOSOPHY
The Model FA2100 Solid-State CVR Recorder is considered an "ON CONDITION LRU"
and is designed as maintenance-free unit which makes extensive use of surface mount
technology (SMT).
The repair of printed wiring assemblies (PWAs) containing SMT devices requires special-
ized factory equipment, training, and techniques, therefore, such PWAs are not field-re-
pairable while the unit is under the warranty period. As a result, during the unit's warranty
period, the FA2100's CVR maintenance philosophy is replacement of failed level 2 as-
semblies.
The field replaceable assemblies identified for the FA2100CVR are the Aircraft Interface
PWA, the Audio Compressor PWA, the Acquisition Processor PWA, and the Crash Surviv-
able Memory Unit (CSMU).
When it has been determined that one or more of these assemblies is faulty, the assem-
bly(ies) should be removed and returned to L-3 Aviation Recorders for repair or replacement.
Attempts to repair any discrete components of these assemblies will void the warranty.
6. COMPONENT MAINTENANCE MANUAL (CMM) DESCRIPTION
This CMM consists of a single volume. The manual conforms to the intent and form of Air
Transport Association of America (ATA) Specification 100. The manual is written for an
audience of operators and both intermediate− and depot−Level maintenance technicians.
Functional, electrical and mechanical aspects of the Model FA2100CVR are documented;
that is, description, specifications, operation, testing, removal and replacement, etc. are
contained in this manual. The CMM content is summarized as follows:
A. FRONT MATTER
Front Matter material consists of a title page, service bulletin list, record of revisions,
record of changes, list of effective pages, table of contents, and this introduction.
B. DESCRIPTION AND OPERATION
This section contains the description and operation information for the Model
FA2100 Cockpit Voice Recorder. Line art is used to illustrate the unit, its intercon-
nections and functionality. This section also contains the Model FA2100CVR Theory
of Operation.
Use or disclosure of information on this sheet is subject
to the restrictions on the cover page of this document.
The document reference is online, please check the correspondence between the online documentation and the printed version.
AVIATION RECORDERS
COMPONENT MAINTENANCE MANUAL
FA2100CVR
23–70–04
Introduction
Rev. 15 Page 3
Apr. 14/16