Digital Audio Systems Instructions for Continued

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Website: www.genevaaviation.com/
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS
FOR
P139-HD DIGITAL AUDIO SYSTEM
MDL GA182
FOR
MODEL EUROCOPTER AS350/AS355 HELICOPTERS
Report No.: ICA182-2
STC No.: SR00521SE
APPROVED BY: C. Bonar
Rev. A
DATE: 10/15/12
This technical data package being provided to the FEDERAL AVIATION ADMINISTRATION (FAA)
It includes, but is not limited to drawings, specifications and other technical data attached hereto and are the
Property of Geneva Aviation (GA) and constitute trade secrets for the purpose of the Trade
Secrets and Freedom of Information Act. Disclosures to any party for any reason without the permission
of GA is prohibited, except that disclosures may be made within the FAA’s organization consistent with
the need to evaluate GA’s technical data.
SUBJECT
REF. MDL.
REPORT NO.
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS
GA182
ICA182-2
Rev. A
10/15/12
DETAILS OF REVISIONS
REV. DATE
N/C
A
01/20/09
10/15/12
Copyright 2012 Geneva Aviation
All Rights Reserved
PAGE
All
19
21
80 - 92
DESCRIPTION
Initial Release
Added G13115 & G13116
Added Section 3.1.2
Updated wiring diagrams
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APPROVED
C. Bonar
C. Bonar
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ICA182-2
Rev. A
10/15/12
RECORD OF SERVICE BULLETINS (S/B’S)
S/B NO.
DATE
DESCRIPTION
There are no Service Bulletins applicable to this STC.
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INSTRUCTIONS FOR CONTINUED AIRWORTHINESS
GA182
ICA182-2
Rev. A
10/15/12
LIST OF EFFECTIVE PAGES
Title
Page
Revision No.
Cover
1
A
Details of Revisions
2
A
Record of Service Bulletins (S/B’S)
3
N/C
List of Effective Pages
4
A
Table of Contents
5
A
List of Figures
6-7
A
List of Applicable Documents
8
N/C
Section 1.0
Introduction
9 -19
A
Section 2.0
Airworthiness Limitations
20
N/C
Section 3.0
Inspection Requirements and Overhaul Schedule
21
A
Section 4.0
Analog Audio Router Removal, Inspection and Re-Installation 22 - 26
N/C
Section 5.0
Digital Audio Router Removal, Inspection and Re-Installation 27 - 31
N/C
Section 6.0
Cable Maintenance
32 - 91
A
Section 7.0
Audio System Testing
93 - 95
N/C
Section 8.0
Weight and Balance
96
N/C
Section 9.0
Typical Analog Audio System Wiring Configurations
97 - 101
N/C
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GA182
ICA182-2
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10/15/12
TABLE OF CONTENTS
Identification and Title
SECTION 1.0
SECTION 2.0
SECTION 3.0
SECTION 4.0
SECTION 5.0
SECTION 6.0
SECTION 7.0
SECTION 8.0
SECTION 9.0
Page
INTRODUCTION ...................................................................................................................... 9
1.1
SCOPE ............................................................................................................................ 9
1.2
PURPOSE......................................................................................................................... 9
1.3
REVISION CONTROL PROCEDURE ....................................................................................... 9
1.4
SERVICE DIFFICULTY REPORTING....................................................................................... 9
1.5
APPLICABILITY ................................................................................................................. 9
1.6
ABBREVIATIONS AND UNITS OF MEASURE ........................................................................... 9
1.7
PRECAUTIONS .................................................................................................................. 10
1.8
DISTRIBUTION .................................................................................................................. 10
1.9
DESCRIPTION ................................................................................................................... 10
AIRWORTHINESS LIMITATIONS ........................................................................................... 20
INSPECTION REQUIREMENTS AND OVERHAUL SCHEDULE ........................................... 21
3.1
INSPECTION REQUIREMENTS .............................................................................................. 21
3.2
OVERHAUL SCHEDULE ...................................................................................................... 21
ANALOG AUDIO ROUTER REMOVAL, INSPECTION AND RE-INSTALLATION ................. 22
4.1
ANALOG ROUTER REMOVAL .............................................................................................. 22
4.2
ANALOG ROUTER INSPECTION ........................................................................................... 22
4.3
ANALOG ROUTER REINSTALLATION ................................................................................... 26
DIGITAL AUDIO ROUTER REMOVAL, INSPECTION AND RE-INSTALLATION .................. 27
5.1
DIGITAL ROUTER REMOVAL ............................................................................................... 27
5.2
DIGITAL ROUTER AND SUPPORT BRACKET INSPECTION ....................................................... 29
5.3
DIGITAL ROUTER RE-INSTALLATION ................................................................................... 30
CABLE MAINTENANCE .......................................................................................................... 32
6.1
GENERAL NOTES.............................................................................................................. 32
6.2
CABLE MAINTENANCE ....................................................................................................... 33
6.3
CABLE CONSTRUCTION ..................................................................................................... 37
AUDIO SYSTEM TESTING ...................................................................................................... 93
7.1
AUDIO SYSTEM LOAD ANALYSIS ........................................................................................ 93
7.2
AUDIO SYSTEM FUNCTIONAL CHECK .................................................................................. 94
7.3
FINAL INSPECTION ............................................................................................................ 95
PERFORM FINAL INSPECTION OF INSTALLATION CONFIRMING: ............................................................ 95
A.
THERE ARE NO CHAFFING ISSUES. ...................................................................................... 95
B.
THERE ARE NO MECHANICAL INTERFERENCE ISSUES. ............................................................ 95
C.
SECURITY OF FASTENERS. ................................................................................................. 95
D.
REMOVAL OF ALL TOOLS. ................................................................................................... 95
E.
CHIPS, SHAVINGS AND OTHER DEBRIS ARE REMOVED. ........................................................... 95
F.
PROPER REASSEMBLY OF AIRCRAFT.................................................................................... 95
G.
AIRCRAFT IS AIRWORTHY PRIOR TO RETURNING TO SERVICE .................................................. 95
WEIGHT AND BALANCE ........................................................................................................ 96
TYPICAL ANALOG AUDIO SYSTEM WIRING CONFIGURATIONS ...................................... 97
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ICA182-2
Rev. A
10/15/12
LIST OF FIGURES
Figure Number and Title
Page
FIGURE 1: COMPLETE ANALOG AUDIO SYSTEM OVERVIEW ............................................................................................... 12
FIGURE 2: G11426 6 SLOT ANALOG AUDIO ROUTER ........................................................................................................ 13
FIGURE 3: G12320 8 SLOT ANALOG ROUTER................................................................................................................... 13
FIGURE 4: DIGITAL AUDIO SYSTEM OVERVIEW ................................................................................................................. 14
FIGURE 5: G13000 DIGITAL ROUTER ............................................................................................................................... 15
FIGURE 6: G11431 CONTROL PANEL ............................................................................................................................... 16
FIGURE 7: G11460 CONTROL PANEL ............................................................................................................................... 16
FIGURE 8: G11462 CONTROL PANEL ............................................................................................................................... 17
FIGURE 9: G11470 AUXILIARY CONTROL PANEL .............................................................................................................. 17
FIGURE 10: G11480 CONTROL PANEL ............................................................................................................................. 18
FIGURE 12: G11490 CONTROL PANEL ............................................................................................................................. 18
FIGURE 13: G13115 CONTROL PANEL ............................................................................................................................. 19
FIGURE 11: G13116 CONTROL PANEL ............................................................................................................................. 19
FIGURE 14: TYPICAL 6 SLOT ROUTER CONFIGURATION .................................................................................................... 23
FIGURE 15: TYPICAL 8 SLOT ROUTER CONFIGURATION .................................................................................................... 25
FIGURE 16: AS350/AS355 DIGITAL ROUTER INSTALLATION .............................................................................................. 28
FIGURE 17: DIGITAL ROUTER CONNECTOR LAYOUT.......................................................................................................... 31
FIGURE 18: AUDIO SYSTEM PILOT/COPILOT ..................................................................................................................... 34
FIGURE 19: AUDIO SYSTEM PASSENGER.......................................................................................................................... 35
FIGURE 20: AUDIO SYSTEM ROUTER/COM1 DIRECT HOOKUP ........................................................................................... 36
FIGURE 21: CONNECTOR AND W IRE PARTS LIST PART 1 .................................................................................................. 37
FIGURE 22: CONNECTOR AND W IRE PARTS LIST PART 2 .................................................................................................. 38
FIGURE 23: CABLE ASSEMBLY DETAIL W IRE TERMINATION ............................................................................................... 39
FIGURE 24: CABLE ASSEMBLY DETAIL W IRE TERMINATION 2 ............................................................................................ 40
FIGURE 25: CABLE ASSEMBLY DETAIL W IRE PREPARATION .............................................................................................. 41
FIGURE 26: CABLE ASSEMBLY DETAIL W IRE PREPARATION 2 ........................................................................................... 42
FIGURE 27: CABLE ASSEMBLY DETAIL CRIMPING TOOL .................................................................................................... 43
FIGURE 28: CABLE ASSEMBLY DETAIL CONTACTS AND SHIELD ......................................................................................... 44
FIGURE 29: CABLE ASSEMBLY DETAIL INLINE SPLICE ....................................................................................................... 45
FIGURE 30: CABLE ASSEMBLY DETAIL AMPHENOL R/A SMA CONNECTOR ........................................................................ 46
FIGURE 31: CABLE ASSEMBLY DETAIL BNC, COAXIAL ...................................................................................................... 47
FIGURE 32: CABLE ASSEMBLY DETAIL BNC, TRIAXIAL ...................................................................................................... 48
FIGURE 33: CABLE ASSEMBLY DETAIL SPICE AND SHIELD STAGGERING ............................................................................ 49
FIGURE 34: CABLE ASSEMBLY DETAIL SPICE AND SHIELD STAGGERING ............................................................................ 50
FIGURE 35: CABLE ASSEMBLY DETAIL AMP 22395-1 50 OHM ......................................................................................... 50
FIGURE 36: G12002 PASSENGER AUDIO AND KEYING CABLE ........................................................................................... 51
FIGURE 37: G12005 COM 1 DIRECT TO AUDIO CONTROL INTERCONNECT CABLE ............................................................. 51
FIGURE 38: G12006 AUDIO CONTROL J2 TO AUDIO EXPANDER J3 CABLE ......................................................................... 52
FIGURE 39: G12007 AUDIO EXPANDER TO BACKPLANE INTERCONNECT CABLE ................................................................. 52
FIGURE 40: G12008 RADIO TO BACKPLANE INTERCONNECT CABLE .................................................................................. 53
FIGURE 41: G12009 BULKHEAD XLRS TO/FROM AUDIO BACKPLANE CABLE ...................................................................... 53
FIGURE 42: G12010 RECEIVE AUDIO TO BACKPLANE CABLE ............................................................................................ 54
FIGURE 43: G12011 SCANNER AUDIO CABLE .................................................................................................................. 54
FIGURE 44: G12012 INLINE XLR3F TO AUDIO BACKPLANE CABLE .................................................................................... 54
FIGURE 45: G12013 AUDIO TO BACKPLANE CABLE .......................................................................................................... 55
FIGURE 46: G12014 AUDIO BACKPLANE J17 CABLE ......................................................................................................... 55
FIGURE 47: G12015 AUDIO CABLE .................................................................................................................................. 55
FIGURE 48: G12016 FROM BACKPLANE TO BULKHEAD XLR3M CABLE ............................................................................. 56
FIGURE 49: G12017 AUDIO CABLE .................................................................................................................................. 56
FIGURE 50: G12018 AUDIO ROUTER POWER CABLE ........................................................................................................ 56
FIGURE 51: G12019 STANDARD GNET CABLE ................................................................................................................ 57
FIGURE 52: G12020 GNET NON-STANDARD D9F TO D9F AND D9M CABLE ..................................................................... 57
FIGURE 53: G12021 GNET NON-STANDARD D9F TO D9F POWER ONLY CABLE ............................................................... 58
FIGURE 54: G12022 NON-STANDARD DATA ONLY GNET CABLE ...................................................................................... 59
FIGURE 55: G12032 NON-STANDARD, TWO DEVICE GNET CABLE ................................................................................... 59
FIGURE 56: G12033 POWER CABLE ................................................................................................................................ 60
FIGURE 57: G12036 PILOT ISOLATE CABLE ..................................................................................................................... 60
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FIGURE 58: G12038 NON-STANDARD MALE END GNET CABLE ........................................................................................ 60
FIGURE 59: G12041 SCANNER POWER CABLE ................................................................................................................. 61
FIGURE 60: G12046 ANTENNA COAX CABLE .................................................................................................................... 61
FIGURE 61: G12047 NON-STANDARD TRIPLE D9F DATA ONLY GNET CABLE ................................................................... 61
FIGURE 62: G12048 SHIELDED CABLE............................................................................................................................. 62
FIGURE 63: G12050 TX OR ICS KEYING AUDIO FOOTSWITCH .......................................................................................... 62
FIGURE 64: G12063 NON-STANDARD D9F TO D9F AND D9M DATA ONLY GNET CABLE ................................................... 62
FIGURE 65: G12064 NON-STANDARD D9F TO D9F EXTERNAL POWER GNET CABLE........................................................ 63
FIGURE 66: G12088 CABLE ............................................................................................................................................ 63
FIGURE 67: G12092 12V EXTERNAL JUMPER POWER CABLE ........................................................................................... 64
FIGURE 68: G12096 FM RADIO PIGTAIL ANTENNA CABLE ................................................................................................ 64
FIGURE 69: G12099 TRIAX ANTENNA CABLE ................................................................................................................... 64
FIGURE 70: G12263 PILOT/COPILOT AUDIO CABLE .......................................................................................................... 65
FIGURE 71: G12264 PASSENGER AUDIO CABLE .............................................................................................................. 65
FIGURE 72: G12265 AUDIO ROUTER POWER CABLE ........................................................................................................ 66
FIGURE 73: G12296 PA AUDIO CABLE ............................................................................................................................ 66
FIGURE 74: G12297 RECEIVE ONLY AUDIO CABLE ........................................................................................................... 67
FIGURE 75: G12299 AUXILIARY IN AUDIO CABLE.............................................................................................................. 67
FIGURE 76: G12306 COAX ANTENNA CABLE .................................................................................................................... 67
FIGURE 77: G12360 TERMINAL GNET CABLE .................................................................................................................. 68
FIGURE 78: G12361 HEADSET EXPANDER TO AUDIO CABLE ............................................................................................. 68
FIGURE 79: G12467 D9M TO XLR3F AUDIO CABLE ......................................................................................................... 69
FIGURE 80: G12468 DUAL AUXILIARY AUDIO INPUT AUDIO CABLE .................................................................................... 69
FIGURE 81: G12475 REAR PASSENGERS AUDIO W IRING .................................................................................................. 70
FIGURE 82: G12538-1 GNEET CONFIG PORT EXTENSION CABLE .................................................................................... 71
FIGURE 83: G12538 GNET CONFIG PORT ASSEMBLY ...................................................................................................... 72
FIGURE 84: G12590 MW EXPANDER OUT TO BRIGHTEYE 30 ANALOG IN AUDIO CABLE ..................................................... 73
FIGURE 85: G12597 EXPANDER J2 TO VU METER AUDIO CABLE ...................................................................................... 73
FIGURE 86: G12598 BE54 TONE OUT TO AUDIO BACKPLANE AUDIO CABLE ...................................................................... 74
FIGURE 87: G12628 VTR TO VTR AUDIO CONTROL J2 AUDIO CABLE ............................................................................... 74
FIGURE 88: G12737 NON-STANDARD ALL D9F ENDS, DATA ONLY PIGTAIL GNET CABLE ................................................. 75
FIGURE 89: G12805 MW AUDIO EXPANDER TO BE30 AND MWTX AUDIO CABLE .............................................................. 75
FIGURE 90: G12871 AUDIO SYSTEM DUAL FOOT SWITCH CABLE ...................................................................................... 76
FIGURE 91: G12910 BULKHEAD XLR3F TO INLINE XLR3M AUDIO CABLE ......................................................................... 76
FIGURE 92: G12912 MWTX AUDIO MONITOR OUT AUDIO CABLE ..................................................................................... 77
FIGURE 93: G12914 BACKPLANE J17 AUDIO CABLE ......................................................................................................... 77
FIGURE 94: G12915 REPEATER AUDIO CONTROL BOARD JUMPER PLUG .......................................................................... 78
FIGURE 95: G12999 DUAL XLR3F TO LINK L1050 ENCODER CABLE................................................................................. 78
FIGURE 96: G13010 LINK L2000 RECEIVER AUDIO XLR5F TO DUAL XLR3M CABLE ......................................................... 79
FIGURE 97: G13011 AUDIO EXPANDER TO DUAL XLR3M CABLE ...................................................................................... 79
FIGURE 98: NOTES FOR DIGITAL ROUTER W IRING ............................................................................................................ 80
FIGURE 99: DIGITAL AUDIO SYSTEM PLUG W IRING MAP P1, P2 ........................................................................................ 81
FIGURE 100: DIGITAL AUDIO SYSTEM PLUG W IRING MAP P3, P4, P5 ................................................................................ 82
FIGURE 101: DIGITAL AUDIO SYSTEM ROUTER J1 CONNECTIONS ..................................................................................... 83
FIGURE 102: DIGITAL AUDIO SYSTEM ROUTER J2 CONNECTIONS ..................................................................................... 84
FIGURE 103: DIGITAL AUDIO SYSTEM ROUTER J3 CONNECTIONS ..................................................................................... 85
FIGURE 104: DIGITAL AUDIO SYSTEM ROUTER J4 CONNECTIONS ..................................................................................... 86
FIGURE 105: SINGLE BOARD ROUTER W IRING MAP P2, P4, P5 ........................................................................................ 87
FIGURE 106: SINGLE BOARD ROUTER J2 CONNECTIONS .................................................................................................. 88
FIGURE 107: SINGLE BOARD ROUTER J4 CONNECTIONS .................................................................................................. 89
FIGURE 108: DIGITAL AUDIO SYSTEM ROUTER J5 CONNECTIONS ..................................................................................... 90
FIGURE 109: DIGITAL AUDIO SYSTEM GNET INTERCONNECTS.......................................................................................... 91
FIGURE 110: G13115 CONTROL HEAD W IRING ................................................................................................................ 92
FIGURE 111: AUXILIARY SWITCH PANEL W IRING .............................................................................................................. 97
FIGURE 112: COPILOT’S CONTROL PANEL W IRING ........................................................................................................... 97
FIGURE 113: PASSENGER AUDIO WIRING......................................................................................................................... 98
FIGURE 114: RADIOS, COM1-COM16 ............................................................................................................................. 98
FIGURE 115: AUXILIARY CONTROL MODULE (OPTIONAL) .................................................................................................. 99
FIGURE 116: AIRCRAFT POWER SUPPLY AND LIGHTING DIMMER CONNECTION .................................................................. 100
FIGURE 117: PILOT CONTROL PANEL CONNECTION .......................................................................................................... 101
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LIST OF APPLICABLE DOCUMENTS
Document Number
Description
GA182-3
Rotorcraft Flight Manual Supplement (Eurocopter
AS350/AS355 Series)
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Section 1.0 Introduction
1.1
Scope
This manual provides description, operation, disassembly, inspection, repair and
testing instructions, and an Illustrated Parts List for P/N P139-HD Digital Audio
System.
1.2
Purpose
The purpose of this manual is to maintain the P139-HD Digital Audio System in
peak operating efficiency with the greatest service life.
1.3
Revision Control Procedure
All revisions to this document shall be identified in the Details of Revisions. All
pages will be summarized on page 4, “List of Effective Pages.”
1.4
Service Difficulty Reporting
A record of sales shall be maintained by Geneva Aviation. Any changes to these
instructions resulting from service difficulties shall be distributed to all previous
recipients.
1.5
Applicability
This manual shall be used to maintain the P139-HD Digital Audio System for
Eurocopter AS350/AS355 Helicopters.
1.6
Abbreviations and Units of Measure
in
lbs
P/N
I/N
LH
RH
Copyright 2012 Geneva Aviation
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=
=
=
=
=
=
inches
pounds
part number
item number
left hand
right hand
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1.7
Precautions
The following precaution definitions will be used to indicate the seriousness of
the hazard or condition.
WARNING: May be a maintenance procedure, practice, condition, etc.,
which could result in personal injury or loss of life.
CAUTION:
May be a maintenance procedure, practice, condition, etc.,
which could result in damage or destruction of equipment.
NOTE:
May be a maintenance procedure, practice, condition, etc.,
or a statement that needs to be highlighted
1.8
Distribution
This manual will be distributed to end users (or their mechanics or maintenance
departments). A copy of this ICA shall be provided by Geneva Aviation with each
kit sold.
1.9
Description
The Geneva Aviation P139-HD Digital Audio System provides a communication
system for aircraft crew members and passengers.
There are 2 Options for installing the Audio System. Option 1 is a sub-set of the
full Electronic News Gathering system, requiring only the GA182 and the
installation of the Modular Equipment Rack GA179. Option 2 is a “Basic” or
simplified audio system installation requiring only the items covered in this STC.
1.9.1 The P139-HD Digital Audio System Includes the Following:
a. An Audio Router. The Audio Router comes in 3 different
configurations. The 2 analog Audio Routers P/N G11426 (6 slot) or
P/N G12320 (8 slot) contain removable printed circuit boards (control
boards) which can be interchanged for diagnostic and spares
purposes. The 3rd option is a Digital Router (P/N G13000).
b. A minimum of 2 Audio Control Panels for the pilot and co-pilot. A
typical installation will include 3 or more Audio Control panels for the
pilot, co-pilot, crew members, and/or passengers. The Control Panels
come in 6 different configurations P/Ns G11431, G11460, G11462,
G11470, G11480, G11490, G13115, and G13116 as shown in Figure 6
through Figure 13. The Audio Control Panels can be used
interchangeably, depending on the control functions desired.
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c. Sheet metal support brackets, doublers and required hardware for
mounting the Audio Router.
d. Sheet metal support brackets and required hardware for mounting
G11431 Control Panels (if installed).
1.9.2 The following is a list of optional Geneva Aviation equipment that
can also be installed in conjunction with the Audio System:
a. Electrical System Upgrade (GA107, STC # SH4747NM)
b. Supplemental Avionics Console (GA158, STC # SR00222SE)
c. Improved Pedestal and Panel (GA162, STC # SR00242SE)
d. Modular Equipment Rack (GA179, STC # SR00474SE)
e. Rear Seat Modification (GA141, STC # SH5119NM)
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G12355
USB INTERFACE
TYPICAL RADIOS
(for reference only)
G12538
CONFIG PORT
G12019
COM2
G12008
G12266
DIMMER INTERFACE
J29
COM1
J28
G11426
AUDIO ROUTER
G12007
J17
G12008
AIRCRAFT ALERT TONE INPUT
BACKPLANE
G12088
J1
LIGHTING DIMMER
J27
J1
J2
J2
J3
J2
POWER (12-28 VDC)
AVIONICS GROUND
J4
G12018
J1
J1
J1
J5
J3
J6
J3
G12005
J2
J2
J2
J7
TO ADDITIONAL RADIOS AND
AUDIO DEVICES
J8
J1
J9
J10
J4
J4
J13
J2
J5
J14
J11
J12
G12361 PASSENGER AUDIO BOARD
TO AUDIO BOARD RIBBON CABLE
(INTERNAL)
J15
J16
G11428
G11428
G11428
G11428
J5
CUSTOMER EQUIPMENT
CONTROLLED BY AUDIO
SYSTEM SWITCHES
NIGHTSUN TRANSFER
VCR RECORD ON/OFF
VCR AUDIO INPUT ON/OFF
G12264
J6
USER DEFINED
XMIT SWITCH
G12358
G12264
ICS SWITCH
...
HEADSET JACK
G12263
G12036
G12263
PASSENGER
GROUPS
XMIT SWITCH
ICS SWITCH
PILOT ISOLATE
SWITCH
HEADSET JACK
XMIT SW ON CYCLIC
XMIT SW ON CYCLIC
ICS SW ON CYCLIC
ICS SW ON CYCLIC
HEADSET JACK
HEADSET JACK
CO-PILOT
HEADSET GROUP
PILOT
HEADSET GROUP
G12347
AUXILIARY CONTROL MODULE
G12032
G12019
G12019
REPEATER
CONTROL PANEL
PASSENGER
CONTROL PANEL
PILOT
CONTROL PANEL
COPILOT
CONTROL PANEL
Figure 1: Complete Analog Audio System Overview
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Figure 2: G11426 6 Slot Analog Audio Router
Figure 3: G12320 8 Slot Analog Router
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COPILOT ISOLATE
SWITCH
PILOT ISOLATE
SWITCH
POWER & GROUND
COM 2
RADIOS
2, 12 - 20
COM 1
RADIOS
1, 3 - 11
G13000
DIGITAL
AUDIO
ROUTER
XMIT SWITCH
ICS SWITCH
PASSENGERS
6 - 10
GROUPS
XMIT SWITCH
ICS SWITCH
HEADSET JACK
...
...
HEADSET JACK
PASSENGERS
1-5
GROUPS
XMIT SWITCH
XMIT SWITCH
ICS SWITCH
ICS SWITCH
HEADSET JACK
HEADSET JACK
PASSENGERS 6 - 10
CONTROL PANEL
PASSENGERS 1 - 5
CONTROL PANEL
XMIT SW ON CYCLIC
XMIT SW ON CYCLIC
ICS SW ON CYCLIC
ICS SW ON CYCLIC
HEADSET JACK
HEADSET JACK
COPILOT
HEADSET GROUP
PILOT
HEADSET GROUP
COPILOT
CONTROL PANEL
PILOT
CONTROL PANEL
Figure 4: Digital Audio System Overview
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Figure 5: G13000 Digital Router
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Figure 6: G11431 Control Panel
Figure 7: G11460 Control Panel
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ICA182-2
Rev. A
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Figure 8: G11462 Control Panel
Figure 9: G11470 Auxiliary Control Panel
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Figure 10: G11480 Control Panel
Figure 11: G11490 Control Panel
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Figure 12: G13115 Control Panel
Figure 13: G13116 Control Panel
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Section 2.0 Airworthiness Limitations
There no airworthiness limitations associated with this STC.
The Airworthiness Limitation section is FAA approved and specifies inspections and other maintenance
required under Part 43.16 and 91.403 of Federal Regulations unless an alternate program has been FAA
approved.
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Section 3.0 Inspection Requirements and Overhaul Schedule
3.1
Inspection Requirements
3.1.1 2 Year/2000 Hour Inspection
a. Make sure the individual modules are properly secured and the
restraining hardware is not damaged or deformed.
b. Remove the Router Assembly from the mounting brackets. See
Section 4.0 for the Analog Routers and Section 5.0 for the Digital
Router.
c. Inspect all sheet metal components for damage and corrosion. If
damage or excessive corrosion is found replace parts per Section 4.0
for the Analog Routers and Section 5.0 for the Digital Router.
Corrosion that has penetrated more than .02” is cause for replacement
in machined aluminum components. Corrosion that has penetrated
more than .02” is cause for replacement on sheet metal components.
d. Inspect all wiring for damage and proper security. Any wires that are
damaged need to be repaired or completely replaced.
e. Reinstall any removed or replaced parts per applicable portions of
Section 4.0 and Section 5.0 and return aircraft to operational condition.
3.1.2 Special Inspections
a. In the event that the aircraft experiences a “Hard Landing”, then
conduct the inspection requirements called out in Section 3.1.1.
b. In the event that the aircraft experiences a “Lightning Strike”, then
conduct the inspection requirements called out in Section 3.1.1.
3.2
Overhaul Schedule
There is no overhaul schedule for this kit.
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Section 4.0 Analog Audio Router Removal, Inspection and Re-Installation
4.1
Analog Router Removal
a. Disconnect all cables from the Analog Router.
b. The installation of the Router will vary depending on the aircraft
configuration. Disconnect all hardware attaching the Router to the
aircraft and completely remove the entire Router Assembly.
4.2
Analog Router Inspection
WARNING
Most electronic devices are subject to damage by electrostatic discharge (ESD).
Installation or removal of components or circuit boards should follow the guidelines in
AC43.13-1b Par 12-2 and AC 43-206 Par 905, which are summarized below:
When removing ESD-sensitive equipment from the aircraft, the aircraft should be
grounded and power removed. Prior to disconnecting the cables from the equipment,
personnel should touch the metal case of the equipment to equalize any electrostatic
potential. Once the cables are disconnected, conductive dust caps or conductive grid
tape should be placed on the connector receptacles.
Circuit cards and components should be packaged in ESD-protective packaging prior to
leaving the ESD workstation. Static shielding bags which have a static-dissipative inner
layer and a conductive outer layer are used for this purpose. They should be
noncorrosive and should zip-lock or heat seal closed. Cushion wrap (bubble wrap) used
around circuit cards should also be made of static-dissipative material.
a. Inspect the Router Shell for cracks or excessive corrosion. If any of
the parts are cracked or excessively corroded (refer to Section 3.1.1
for corrosion limits) they must be removed and replaced.
b. The Audio Control Boards (P/N G11428) in the Router are field
replaceable. The Audio Control Boards as shown in Slots 1-6 of
Figure 14 and Slots 1-8 in Figure 15 are physically identical and may
be interchanged for diagnostic and spares purposes.
c. To remove an Audio Control Board remove the 2 retaining screws and
apply pressure two the 2 card ejector tabs on either side of the Audio
Control Board.
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NOTE
The Audio Control Boards have no serviceable parts. If an Audio Control Board is
found to be broken or defective it must be returned to Geneva Aviation for repair or
replacement.
Figure 14: Typical 6 Slot Router Configuration
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NOTE
Assembly shown is typical in configuration. Optionally, the quantities and positions for
G11428, G11429, G12358, G11426-4, G11426-8 and G11426-10 may change
depending on the installers desired configuration requirements.
G11437 Relay Module may Replace G11427 COM1 Direct Board depending on the
installers desired configuration requirements.
G11430 Audio Expander may be omitted depending on the installers desired
configuration requirements.
Parts List for Figure 14:
I/N
QTY
PART NUMBER
1
G11182
1
G11268
1
G11426
1
G11426-1
1
G11426-3
* [a]
G11426-4
* [a]
G11426-8
1 [b]
G11427
1 [b]
G11437
* [a]
G11428
* [a]
G11429
* [a][c]
G12358
* [a][c]
G11430
* [a]
G12266
1
G11700
1
G11701
* [a]
G12538
DESCRIPTION
Rail Guide With Camloc Assembly
Backplane
Shell
Case
Side Cover
Cover Plate
Wire Guide Cover Panel
COM1 Direct Board
Relay Module Board
Audio Board
ICS Audio Board
Headset Expander
Audio Expander
Dimmer Module
Backplane Insulator
Backplane Insulator (2)
GNET Config Port
* [a] Quantities and positions for these components may change depending on the
installer’s desired configuration requirements.
* [b] Audio systems shall be fitted with either one G11427 COM1 Direct OR G11437
Relay Module.
* [c] Audio systems shall be fitted with either G11429 ICS Audio Board OR G12358
Headset Expander Boards.
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Figure 15: Typical 8 Slot Router Configuration
NOTE
Assembly shown is typical in configuration. Optionally, the quantities and positions for
G11428, G11429, G12358, G11426-4, G11426-8 and G11426-10 may change
depending on the installers desired configuration requirements.
G11437 Relay Module may Replace G11427 COM1 Direct Board depending on the
installers desired configuration requirements.
G11430 Audio Expander may be omitted depending on the installers desired
configuration requirements.
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Parts List for Figure 15:
I/N
QTY
PART NUMBER
1
G12370
1
G12320
1
G12371
1
G11426-3
* [a]
G11426-4
* [a]
G11426-8
1 [b]
G11427
1 [b]
G11437
* [a]
G11428
* [a]
G11429
* [a][c]
G12358
* [a][c]
G11430
* [a]
G12266
1
G11700-8
1
G11701-8
1
G12538
DESCRIPTION
Backplane
Shell
Case
Side Cover
Cover Plate
Wire Guide Cover Panel
COM1 Direct Board
Relay Module Board
Audio Board
ICS Audio Board
Headset Expander
Audio Expander
Dimmer Module
Backplane Insulator
Backplane Insulator
GNET Config Port
* [a] Quantities and positions for these components may change depending on the
installer’s desired configuration requirements.
* [b] Audio systems shall be fitted with either one G11427 COM1 Direct OR G11437
Relay Module
* [c] Audio systems shall be fitted with either G11429 ICS Audio Board OR G12358
Headset Expander Boards
4.3
Analog Router Reinstallation
a. The router may be mounted into a rack, such as the Geneva P142
Modular Equipment Rack (STC # SR00474SE). It also may be
mounted to an aircraft structure that is designed to carry the load of the
router (11 lbs). Since installation will vary depending the aircraft
configuration, the installer is responsible for receiving FAA approval for
the mounting of the router to the structure if not previously approved.
Two G12340 Brackets may also be used for mounting the router to the
aircraft structure.
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Section 5.0 Digital Audio Router Removal, Inspection and Re-Installation
5.1
Digital Router Removal
a. Disconnect all cables from the Digital Router.
b. Lift the Router/Backplate assembly out of the slots located on the Hat
Sections connected to the FS168 Bulkhead as shown in Figure 16.
c. Remove the Backplate from the Router by removing the 4 #10-32
MS24693S272 Flat Head Screws connected to the Router as shown in
Figure 16.
Note
The Hat Section Brackets do not need to be removed on a regular basis for inspection
or overhaul. The Hat Section Brackets should only be removed if cracked or
excessively corroded and need to be replaced.
d. To remove the Hat Section Brackets drill out the 14 #4 Rivets
connecting each bracket to the FS168 Bulkhead as shown in Figure
16.
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Figure 16: AS350/AS355 Digital Router Installation
Parts List for Figure 16:
I/N
QTY
PART NUMBER
1
G13000
2
G13005-1
1
G13005-2
2
28
MS20470AD4-4
3
4
MS24693S272
Copyright 2012 Geneva Aviation
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DESCRIPTION
P139-HD Router
Hat Section
Backplate
Rivet
Screw, Flat Head, #10-32 x .5
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5.2
Digital Router and Support Bracket Inspection
a. The Digital Router contains no user serviceable internal components.
Do not disassemble router or the factory warranty will be voided.
Return the unit to Geneva Aviation for service.
b. Inspect all sheet metal doublers and brackets for cracks or excessive
corrosion. If any of the parts are cracked or excessively corroded
(refer to Section 3.1.1 for corrosion limits) they must be removed from
the aircraft and replaced.
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5.3
Digital Router Re-Installation
NOTE
The location shown in the aft baggage compartment is shown for reference only. The
exact placement of the components is dependant on the other pre-existing installed
equipment.
NOTE
If the Hat Section Brackets (P/N G13005-1) have not been removed skip to step (c) and
connect to the Router to the mounted Hat Section Brackets. If the Hat Section Brackets
have been replaced continue to step (a).
a. Before installing new Hat Sections, assemble with G13005-2 Back
Plate to maintain proper spacing. Locate G13005-1 Hat Sections over
two of the stiffening ribs as shown in Figure 16. Back drill two
mounting holes in bulkhead and Cleco in place. Remove back plate.
b. For each Hat Section, back drill bulkhead and install 14 #4 Rivets,
MS20470AD4-4 as shown in Figure 16.
c. Connect the Digital Router (P/N G13000) to the Back Plate (G13005-2)
using 4 MS24693S272 Screws as shown in Figure 16.
d. Hang the Router/Backplate assembly on the Hat Sections mounted on
the FS168 Bulkhead into the slots. Be sure the Router/Backplate
assembly is seated fully down.
e. Reconnect all applicable cables to the Digital Router. Reference Figure
17 for all Digital Router Connection Ports.
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Figure 17: Digital Router Connector Layout
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Section 6.0 Cable Maintenance
6.1
General Notes
a. The installation of the Geneva Aviation GA182 Audio System requires
the application of accepted aircraft equipment practices, according to
FAA publication, AC43.13-1B, ACCEPTABLE METHODS,
TECHNIQUES AND PRACTICES, AIRCRAFT INSPECTION AND
REPAIR, and the installer shall strictly comply with paragraph 428.a of
that Advisory Circular.
b. The requirement regarding the securing of wire bundles using
nonmetallic clamps is addressed by the use of nylon cable ties. The
part numbers and description of these ties is as follows:
Cable Tie Selection Chart
Thomas & Betts Brand
Cat.
No.
TY23M
TY24M
TY25M
UPC
Bod Width Length
in.
in.
82436
.091
3.62
82447
.140
5.50
82457
.184
7.31
Max. Wire
Bundle Dia. in.
.625
1.125
1.750
Military Standard
Part No.
MS3367-4
MS3367-5
MS3367-1
Tensile
Strength lbs.
18
40
50
c. Following the guidelines in AC43.13-1B, cable ties are attached at a
maximum of 4” spacing and ties are attached to nylon cable tie
anchors, as necessary.
d. The configuration of the wiring and cabling will vary from aircraft to
aircraft. The installation of the Geneva Aviation Audio System will not
change the existing wiring or cabling, but rather will utilize existing wire
and cable runs and will not interfere with the existing aircraft equipment
installations.
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6.2
Cable Maintenance
a. Refer to Figure 19 and Figure 20 for the Cable Part Numbers
associated with a general Analog Audio System installation. Refer to
Figure 98 through Figure 109 for the detailed wiring schematic used in
the installation of an Audio System with a Digital Router.
b. Each cable configuration and location will vary from installation to
installation. Refer to notes made during installation to determine
exactly where each cable is installed. Be sure to carefully document
the Radios and Control panels installed and their related connections
for future maintenance and troubleshooting purposes.
c. If a cable needs to be repaired or replaced due to damage, refer to the
appropriate cable drawing in Section 6.3. All cables should be built
utilizing proper aviation practices.
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Figure 18: Audio System Pilot/CoPilot
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Figure 19: Audio System Passenger
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Figure 20: Audio System Router/Com1 Direct Hookup
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6.3
Cable Construction
Figure 21: Connector and Wire Parts List Part 1
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Figure 22: Connector and Wire Parts List Part 2
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Figure 23: Cable Assembly Detail Wire Termination
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Figure 24: Cable Assembly Detail Wire Termination 2
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Figure 25: Cable Assembly Detail Wire Preparation
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Figure 26: Cable Assembly Detail Wire Preparation 2
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Figure 27: Cable Assembly Detail Crimping Tool
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Figure 28: Cable Assembly Detail Contacts and Shield
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Figure 29: Cable Assembly Detail Inline Splice
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Figure 30: Cable Assembly Detail Amphenol R/A SMA Connector
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Figure 31: Cable Assembly Detail BNC, Coaxial
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Figure 32: Cable Assembly Detail BNC, Triaxial
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FOR ALL D-SUB ASSEMBLIES:
SUBJECT
Figure 33: Cable Assembly Detail Spice and Shield Staggering
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Figure 34: Cable Assembly Detail Spice and Shield Staggering
Figure 35: Cable Assembly Detail AMP 22395-1 50 OHM
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Figure 36: G12002 Passenger Audio and Keying Cable
Figure 37: G12005 COM 1 Direct to Audio Control Interconnect Cable
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Figure 38: G12006 Audio Control J2 to Audio Expander J3 Cable
Figure 39: G12007 Audio Expander to Backplane Interconnect Cable
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Figure 40: G12008 Radio to Backplane Interconnect Cable
Figure 41: G12009 Bulkhead XLRs to/from Audio Backplane Cable
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Figure 42: G12010 Receive Audio to Backplane Cable
Figure 43: G12011 Scanner Audio Cable
Figure 44: G12012 Inline XLR3F to Audio Backplane Cable
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Figure 45: G12013 Audio to Backplane Cable
Figure 46: G12014 Audio Backplane J17 Cable
Figure 47: G12015 Audio Cable
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Figure 48: G12016 From Backplane to Bulkhead XLR3M Cable
Figure 49: G12017 Audio Cable
Figure 50: G12018 Audio Router Power Cable
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CONNECT THE FOLLOWING PINS TOGETHER
FOR GNET ADDRESSING AS SPECIFIED IN
SYSTEM REQUIREMENTS
0 = 5-6-7-8-9
1 = 6-7-8-9
2 = 5-7-8-9
3 = 7-8-9
4 = 5-6-8-9
5 = 6-8-9
6 = 5-8-9
7 = 8-9
8 = 5-6-7-9
9 = 6-7-9
A = 5-7-9
B = 7-9
C = 5-6-9
D = 6-9
E = 5-9
F = NONE
ADDRESS
(OPTIONAL)
Figure 51: G12019 Standard GNET Cable
Figure 52: G12020 GNET Non-Standard D9F to D9F and D9M Cable
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Figure 53: G12021 GNET Non-Standard D9F to D9F Power Only Cable
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CONNECT THE FOLLOWING PINS TOGETHER
FOR GNET ADDRESSING AS SPECIFIED IN
SYSTEM REQUIREMENTS
0 = 5-6-7-8-9
1 = 6-7-8-9
2 = 5-7-8-9
3 = 7-8-9
4 = 5-6-8-9
5 = 6-8-9
6 = 5-8-9
7 = 8-9
8 = 5-6-7-9
9 = 6-7-9
A = 5-7-9
B = 7-9
C = 5-6-9
D = 6-9
E = 5-9
F = NONE
ADDRESS
(OPTIONAL)
Figure 54: G12022 Non-Standard Data Only GNET Cable
ADDRESS
(OPTIONAL)
ADDRESS
(OPTIONAL)
CONNECT THE FOLLOWING PINS TOGETHER
FOR GNET ADDRESSING AS SPECIFIED IN
SYSTEM REQUIREMENTS
0 = 5-6-7-8-9
1 = 6-7-8-9
2 = 5-7-8-9
3 = 7-8-9
4 = 5-6-8-9
5 = 6-8-9
6 = 5-8-9
7 = 8-9
8 = 5-6-7-9
9 = 6-7-9
A = 5-7-9
B = 7-9
C = 5-6-9
D = 6-9
E = 5-9
F = NONE
ADDRESS
(OPTIONAL)
Figure 55: G12032 Non-Standard, Two Device GNET Cable
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ICA182-2
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Figure 56: G12033 Power Cable
Figure 57: G12036 Pilot Isolate Cable
CONNECT THE FOLLOWING PINS TOGETHER
FOR GNET ADDRESSING AS SPECIFIED IN
SYSTEM REQUIREMENTS
0 = 5-6-7-8-9
1 = 6-7-8-9
2 = 5-7-8-9
3 = 7-8-9
4 = 5-6-8-9
5 = 6-8-9
6 = 5-8-9
7 = 8-9
8 = 5-6-7-9
9 = 6-7-9
A = 5-7-9
B = 7-9
C = 5-6-9
D = 6-9
E = 5-9
F = NONE
ADDRESS
(OPTIONAL)
Figure 58: G12038 Non-Standard Male End GNET Cable
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Figure 59: G12041 Scanner Power Cable
Figure 60: G12046 Antenna Coax Cable
Figure 61: G12047 Non-Standard Triple D9F Data Only GNET Cable
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Figure 62: G12048 Shielded Cable
Figure 63: G12050 TX or ICS Keying Audio Footswitch
Figure 64: G12063 Non-Standard D9F to D9F and D9M Data Only GNET Cable
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Figure 65: G12064 Non-Standard D9F to D9F External Power GNET Cable
Figure 66: G12088 Cable
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Figure 67: G12092 12V External Jumper Power Cable
Figure 68: G12096 FM Radio Pigtail Antenna Cable
Figure 69: G12099 Triax Antenna Cable
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Figure 70: G12263 Pilot/Copilot Audio Cable
Figure 71: G12264 Passenger Audio Cable
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Figure 72: G12265 Audio Router Power Cable
Figure 73: G12296 PA Audio Cable
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Figure 74: G12297 Receive Only Audio Cable
Figure 75: G12299 Auxiliary In Audio Cable
Figure 76: G12306 Coax Antenna Cable
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CONNECT THE FOLLOWING PINS TOGETHER
FOR GNET ADDRESSING AS SPECIFIED IN
SYSTEM REQUIREMENTS
0 = 5-6-7-8-9
1 = 6-7-8-9
2 = 5-7-8-9
3 = 7-8-9
4 = 5-6-8-9
5 = 6-8-9
6 = 5-8-9
7 = 8-9
8 = 5-6-7-9
9 = 6-7-9
A = 5-7-9
B = 7-9
C = 5-6-9
D = 6-9
E = 5-9
F = NONE
ADDRESS
(OPTIONAL)
Figure 77: G12360 Terminal GNET Cable
Figure 78: G12361 Headset Expander to Audio Cable
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Figure 79: G12467 D9M to XLR3F Audio Cable
Figure 80: G12468 Dual Auxiliary Audio Input Audio Cable
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Figure 81: G12475 Rear Passengers Audio Wiring
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Figure 82: G12538-1 GNEET Config Port Extension Cable
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Figure 83: G12538 GNET Config Port Assembly
Parts List for Figure 83
I/N
QTY
PART NUMBER
DESCRIPTION
1
1
G12538-1
GNET Config Port Extension Cable
2
1
G10426-10
Cable Guide Cover Plate
3
3
8493
Bushing, Split, Black (Keystone)
4
2
534-7231
Jackscrew/Nut/Washer Set (Mouser)
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Figure 84: G12590 MW Expander Out to BrightEye 30 Analog in Audio Cable
Figure 85: G12597 Expander J2 to VU Meter Audio Cable
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Figure 86: G12598 BE54 Tone Out to Audio Backplane Audio Cable
Figure 87: G12628 VTR to VTR Audio Control J2 Audio Cable
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Figure 88: G12737 Non-Standard All D9F Ends, Data Only Pigtail GNET Cable
Figure 89: G12805 MW Audio Expander to BE30 and MWTX Audio Cable
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Figure 90: G12871 Audio System Dual Foot Switch Cable
Figure 91: G12910 Bulkhead XLR3F to Inline XLR3M Audio Cable
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Figure 92: G12912 MWTX Audio Monitor Out Audio Cable
Figure 93: G12914 Backplane J17 Audio Cable
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Figure 94: G12915 Repeater Audio Control Board Jumper Plug
Figure 95: G12999 Dual XLR3F to Link L1050 Encoder Cable
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Figure 96: G13010 Link L2000 Receiver Audio XLR5F to Dual XLR3M Cable
Figure 97: G13011 Audio Expander to Dual XLR3M Cable
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Figure 98: Notes for Digital Router Wiring
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Figure 99: Digital Audio System Plug Wiring Map P1, P2
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Figure 100: Digital Audio System Plug Wiring Map P3, P4, P5
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Figure 101: Digital Audio System Router J1 Connections
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Figure 102: Digital Audio System Router J2 Connections
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Figure 103: Digital Audio System Router J3 Connections
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Figure 104: Digital Audio System Router J4 Connections
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Figure 105: Single Board Router Wiring Map P2, P4, P5
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Figure 106: Single Board Router J2 Connections
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Figure 107: Single Board Router J4 Connections
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Figure 108: Digital Audio System Router J5 Connections
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Figure 109: Digital Audio System GNET Interconnects
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Figure 110: G13115 Control Head Wiring
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Section 7.0 Audio System Testing
NOTE
Anytime the Router or Control Panel has been replaced complete a full Audio System
Load Analysis, Audio System Functional Check and a Final Inspection as described in
Section 7.0.
7.1
Audio System Load Analysis
a. At the completion of the installation of the audio system, the installer
shall perform a load analysis test of the electrical branch circuit (buss)
that powers the audio system, and also the entire aircraft electrical
load, to confirm that the addition of the audio system will not cause an
overload to the electrical branch circuit or the aircraft generator.
b. The current shall be measured using a properly calibrated clamp on
ammeter, Amprobe Instrument model number ACDC-600A, or
equivalent.
c. Perform the branch circuit load analysis test by powering up all
equipment that is intended to be operated at the same time on the
branch circuit that the audio system is connected to. Additionally, key
the three highest power communication transmitters at the same time,
if possible, while the current measurements are being taken.
d. Measure the current of the branch circuit powering the audio system,
by clamping the meter around the branch circuit wire near its origin at
the aircraft master electrical distribution box. Confirm that the current
draw during the above described test conditions is less than the
current limiter (fuse or circuit breaker) rating for that branch circuit.
e. If the current draw is greater than the current limiter rating, it becomes
the installer's responsibility to re-distribute enough of the other
equipment powered by this branch circuit to another suitable branch
circuit, in order to reduce the load on the audio system's branch circuit
to less than the current limiter rating.
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f. Once the branch circuit loads are within limits, test the current load for
the entire aircraft while all power for the aircraft is being supplied by
the aircraft generator. Perform this load analysis test by powering up
all equipment on the aircraft that is intended to be operated at the
same time as the audio system. Additionally, key the three highest
power communication transmitters at the same time, if possible, while
the current measurements are being taken. Clamp the ammeter
around the generator output wire near the point that it enters the
aircraft master electrical distribution box. Confirm that the current draw
during the above described test is less than the generator system
rating.
7.2
Audio System Functional Check
a. Perform a check of all power and ground leads to confirm they are
connected properly before applying power to the system. Incorrect
wiring may cause damage to the units.
b. Connect headset adapter cables, headsets and switches. Apply power
to audio system, radios and related accessories. Activate ICS and
confirm proper operation. Place ‘PILOT ISOLATE/NORMAL’ switch in
‘PILOT ISOLATE’ position. Key transmit switch and confirm proper
operation of COM1. If a Co-Pilot COM2 Isolate switch is installed,
repeat this process for the Co-Pilots installation.
c. Place the ‘PILOT ISOLATE’ switch in ‘NORMAL’ position and check all
transceivers, receivers and audio devices. Repeat this process for the
Co-Pilots COM2 Isolate switch if installed.
d. If testing a Digital Audio System, or an Analog Audio system fitted with
G11437 Relay Modules, perform steps c and d with COPILOT
ISOLATE switch and copilot/COM2 operation.
e. Check all pilot, copilot and passenger audio control panels for proper
operation
f. Perform run-up of aircraft to verify proper operation of all control
heads, radios, and headset locations. Perform test of aircraft alert
tones and verify their presence, proper threshold, and proper audio
level. Do not test fly aircraft if any aircraft native alert tone is not
performing properly. Correct any defects noted and re-test prior to any
test flight.
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7.3
Final Inspection
Perform final inspection of installation confirming:
a. There are no chaffing issues.
b. There are no mechanical interference issues.
c. Security of fasteners.
d. Removal of all tools.
e. Chips, shavings and other debris are removed.
f. Proper reassembly of aircraft.
g. Aircraft is airworthy prior to returning to service
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Section 8.0 Weight and Balance
Refer to helicopter equipment list for updated weight and balance information.
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Section 9.0 Typical Analog Audio System Wiring Configurations
BACKPLANE
J1
G12032
J2
PILOT CONTROL PANEL
REAR VIEW
(a)
J1
J3
J2
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
J1
J1
(b)
J4
AUXILARY
SWITCH PANEL
REAR VIEW
J2
J1
J2
J2
J5
(c)
G11428
G11427
Figure 111: Auxiliary Switch Panel Wiring
BACKPLANE
J1
CO-PILOT CONTROL PANEL
REAR VIEW
G12019
J2
J2
J1
(a)
(b)
J3
CO-PILOT
HEADSET GROUP
SEE G12305
XMIT SW ON CYCLIC
J4
(b)
J1
J2
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
J1
J2
(a)
ICS SW ON CYCLIC
HEADSET JACK
G12263
J5
G11428
Figure 112: Copilot’s Control Panel Wiring
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J2
PASSENGER
CONTROL PANEL
REAR VIEW
G12019
J2
J3
J1
(a)
(b)
J4
J1
PASSENGER 1
HEADSET GROUP
XMIT SWITCH
J5
(b)
J2
(a)
ICS SWITCH
HEADSET JACK
J6
G12264
PASSENGER 6
HEADSET GROUP
XMIT SWITCH
(b)
(a)
ICS SWITCH
HEADSET JACK
G12358
G11428
G12264
Figure 113: Passenger Audio Wiring
OPTIONAL
G12008
(a)
(b)
BACKPLANE
J1
(a)
J2
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
OPTIONAL
(b)
G12008
J3
J4
J1
J2
J1
J2
J5
G11427
Figure 114: Radios, COM1-COM16
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BACKPLANE
J1
REPEATER CONTROL PANEL
REAR VIEW
G12032
J2
J2
J1
(b)
(a)
J3
J4
J1
J2
J1
J2
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
J1
J2
(c)
J5
G12347
AUXILIARY CONTROL
MODULE
CUSTOMER EQUIPMENT
CONTROLLED BY AUDIO
SYSTEM SWITCHES
USER DEFINED
G11428
TYPICAL:
NIGHTSUN TRANSFER
VCR RECORD ON/OFF
VCR AUDIO INPUT ON/OFF
Figure 115: Auxiliary Control Module (Optional)
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AIRCRAFT
LIGHTING DIMMER
G12088
J2
POWER (12-28 VDC)
J3
G12018
J1
CIRCUIT
BREAKER
OR
FUSE
(OPTIONAL)
G12266
DIMMER INTERFACE
AVIONICS GROUND
(OPTIONAL)
G2538 GNET
CONFIG PORT
J29 J28
J17
J27
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
BACKPLANE
Figure 116: Aircraft Power Supply and Lighting Dimmer Connection
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G12007
PILOT CONTROL PANEL
REAR VIEW
J2
J1
(a)
(b)
(b)
BACKPLANE
J1
(a)
J2
G12019
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
J3
G12005
(b)
PILOT
HEADSET GROUP
SEE G12305
J4
J2
J1
J2
G12263
J5
XMIT SW ON CYCLIC
ICS SW ON CYCLIC
J1
(a)
(b)
(a)
HEADSET JACK
(a)
G11428
G11427
(b)
G12036
PILOT ISOLATE
SWITCH
Figure 117: Pilot Control Panel Connection
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