AA82 InterMUSIC™ Stereo Intercom System
SM09-1 Installation and Operation Manual
April 16, 2012 Rev: 2.00 Page 2-2
ENG-FORM: 805-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
2.4.2 Cautions
DO NOT use mono aircraft headsets in this system. Mono aircraft hea
dsets will
short out one side of the AA82 power amplifier when installed in the stereo jacks.
This may result in eventual unit failure. Use only stereo headsets with this system.
2.4.3 Cabling and Wiring
All wire shall be selected in accordance with the original aircraft manufacturer's Maintenance Instructions
or AC43.13-1B Change 1, Paragraphs 11-76 through 11-78. Unshielded wire types shall qualify to
MIL-W-22759 as specified in AC43.13-1B Change 1, Paragraphs 11-85, 11-86, and listed in Table 11-11.
For shielded wire applications, use Tefzel MIL-C-27500 shielded wire with solder sleeves (for shield
terminations) to make the most compact and easily terminated interconnect. Follow the connector map in
Section 2.7 as required.
Allow 3" from the end of the shielded wiring to the shield termination to allow the connector hood to be
easily installed. Reference the interconnect drawing in Section 2.7 for shield termination details. Note that
the hood is a "clamshell" hood, and is installed after the wiring is complete. Aircraft harnessing shall
permit the unit to be removed from the panel for easy access to all side adjustments. Do NOT mount the
unit until all adjustments have been performed.
Maintain wire segregation and route wiring in accordance with the original aircraft manufacturers
Maintenance Instructions.
Unless otherwise noted, all wiring shall be a minimum of 24 AWG, except power and ground lines, which
shall be a minimum of 22 AWG. Reference the Interconnect drawing for additional specifications. Check
that the ground connection is clean and well secured, and that it shares no path with any electrically noisy
aircraft accessories such as blowers, turn and bank instruments or similar loads. Power to this unit must
be supplied from a separate circuit breaker or fuse (fast blow), and not attached to any other circuit
breaker without additional protection. Verify that the selected circuit breaker size and wire gauge are
adequate for the installation using the techniques specified in AC43.13-1B Change 1, Paragraphs 11-47
through 11-51 and 11-66 through 11-69.
2.4.4 Mounting
The AA82 InterMUSIC™ Stereo Intercom can be mounted in either a vertical or horizontal orientation.
Place the adhesive backed drill template in an appropriate place on the instrument panel and drill through
the indicated locations. The mounting nuts on the faceplate controls should not be removed at any time.
The clearance holes for the nuts should be 3/8" to allow them to fit through the instrument panel. The unit
is secured by three black Phillips screws, which require 5/32" holes.
Notes: 1) The clock mount faceplate used with the AA80 Series is not supplied.
2) Perform all functional tests and adjustments prior to mounting. Secure the unit to the panel
prior to flight.
