Northern Airborne Technology AA20-431 - Manual (Page 14)

SM22 Rev. 4.10 AA20-431 Cabin PA System Manual
Apr 21, 2004 Page 2-5
ENG-FORM: 805-0106.DOT
Amendment #2 Feb 17, 2009
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
g) Apply a ground to the +3 dB key. The music heard over the speaker and in the
headsets should drop to 50% of the previous volume.
Upon satisfactory completion of all performance checks, make the required log
entries and complete the necessary Regulatory Agency paperwork before
releasing the aircraft for service.
2.4 Continued Airworthiness
Maintenance of the AA20-431 is ‘on condition’ only. Periodic maintenance of this
product is not required.
2.5 Accessories Required But Not Supplied
Installation kit p/n AA35-IKC-1 (crimp) required to complete the installation consists of
the following:
AA35-IKC-1 37-pin D-min Female Crimp Kit (NAT Part No. D37SV-IKC)
Quantity
Description NAT Part #
1
D-min 37 Socket Housing 20-21-037
37 MS Crimp Socket 20-26-901
1 37 Pin JVL Hood/Locklever 20-29-370
2.6 Installation Drawings
DRAWING REV. DESCRIPTION TYPE SERIAL #
AA20\431\403-0 1.03 Cabin PA System Interconnect 1009 to 1041
AA20\431\403-0 1.10 Cabin PA System Interconnect 1042 and up
AA20\431\405-0 1.02 Cabin PA System Connector Map All
AA20\431\521-0 1.00 Cabin PA System Environmental Qual Form 2000 and up
AA20\431\905-0 1.03 Cabin PA System (Sheet 1 of 3) Faceplate All
AA20\431\922-0 1.01 Cabin PA System Mechanical Installation 1009 - 1999
AA20\431\922-0 1.10 Cabin PA System Mechanical Installation 2000 to 2329
AA20\431\922-0 1.20 Cabin PA System Mechanical Installation 2330 and up
Section 2.0 ends after these Drawings