Avionics Innovations AI 8-DCU P/N Installation Manual

Avionics Innovations, Inc

AI-8 DCU/AI-Changer 8

Installation Manual

Table of Contents

Title

Page

Table of Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Specifications.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..3

Warranty Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Warranty Registration... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Installation Instructions.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Post Installation Checkout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

AI Changer 8 Installation Schematic 11902. . . . . .. . . . . . . . . . . . . . . . . . . . . . . . .8

AI-8 DCU Installation Schematic 11900. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Revision NC 03/28/01

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Avionics Innovations, Inc

AI-8 DCU/ AI-Changer 8

General Information

The purpose of this AI-8 DCU/ AI-Changer 8 Installation Manual is to provide information to
ensure proper installation and operation of this product.

This product has been tested and is “FAA-PMA” approved. It is the responsibility of those
desiring to install these items on or within a specific type or class of certified aircraft to
document and obtain approval for an acceptable installation from the Administrator.

The AI-8 DCU will need an AM/FM Antenna (not included). It is recommended that you use an
antenna with a 88-108 MHz / 550-1600 KHz range

Unpacking and Inspection of AI-8 DCU/ AI-Changer 8

Exercise extreme care when unpacking the AI-8 DCU/ AI-Changer 8 Make a visual inspection
of the unit for evidence of damage incurred during shipment. If a claim for damage is to be
made, unit must be returned in the original packaging.

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Avionics Innovations,Inc

AI-8 DCU/ AI-Changer 8

SPECIFICATIONS

RADIO FM TUNER
Frequency range 87.9 to 107.9mhz
Signal-to-Noise Ratio 70dB
Stereo Separation 42 dB

RADIO AM TUNER
Frequency range 530 to 1710 Khz
Sensitivity 28 dB/µV (25 µV, S/N 20 dB)

COMPACT DISC SECTION
Frequency Response 5Hz to 20kHz
THD @ 1kHZ 0.01%
Signal/Noise ratio 105dB
Sampling Frequency 32 Times Oversampling

AUDIO SECTION
Frequency response 20 to 20kHz
Headphone level output 3.0V max

GENERAL
Power Source 12-30V DC
Ground System Negative
Dimensions (W x H x D) Head Unit 6.25” x 2” x 9.25”

Weight Head Unit 2 lbs. 4 oz

Changer 4 lbs

CURRENT DRAW - 14V Max 650ma Continuous

1.2 Amp ( CD Operation )
10ma Keep Alive (Memory)

CURRENT DRAW - 28V Max 375ma Continuous
700ma ( CD Operation )
10ma Keep Alive (Memory)

Changer 9” x 2.75” x 6.25”

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Avionics Innovations, Inc

AI-8 DCU/ AI-Changer 8

WARRANTY INFORMATION

Avionics Innovations warrants the AI-8 DCU/ AI-Changer 8 against material or manufacturing
defects for a period of one year from the date of installation.
Avionics Innovations will, upon receipt of the failed unit, repair or replace the unit at our
discretion. Avionics Innovations will pay UPS Ground shipping charges for warrantied items.
Charges for express shipment will be the responsibility of the sender.
This warranty will be void if the unit has been tampered with or opened by unauthorized
personnel.

To validate warranty:

1.) Return the enclosed warranty registration form to Avionics Innovations or complete the
online Warranty Application at www.avionicsinnovations.com

This warranty is not transferable, any implied warranties expire at the expiration date of this
warranty. WE SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL
DAMAGES. This warranty does not cover a defect that has resulted from improper or
unreasonable use or maintenance as determined by us. This warranty is void if there is any
attempt to disassemble this product without factory authorization. During the warranty period ,
the unit must be returned to Avionics Innovations and, at own option, will be repaired or
replaced at no charge. IMPORTANT: Any labor charges associated with the removal of
product or related trouble shooting by any firm other than Avionics Innovations will not be
covered.

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Avionics Innovations, Inc

AI-8 DCU/ AI-Changer 8

WARRANTY REGISTRATION FORM

Model ______________ S/N _____________________________________________________

Date of install __________________________________________________________________

Owners name and address_________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Aircraft make and model__________________________________________________________

______________________________________________________________________________

Registration number _____________________________________________________________

Installing agency________________________________________________________________

______________________________________________________________________________

Comments : ____________________________________________________________________

______________________________________________________________________________

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Avionics Innovations, Inc

AI-8 DCU/ AI-Changer 8

INSTALLATION INSTRUCTIONS

NOTE

FOR TECHNICAL ASSISTANCE PLEASE CALL 760-788-2602 8:00 AM TO 5:00 PM PST.

ALL REPAIRS AND RETURNS ARE PROCESSED THROUGH AVIONICS INNOVATIONS

ALWAYS FOLLOW PROPER INSTALLATION PRACTICES PER FAA ADVISORY CIRCULARS (AC) 43.13B

OR LATER FAA APPROVED REVISION.

Select an appropriate location in the instrument panel for the AI-8 DCU

1.

A. Location should be near to center to maximize viewing quality.

2. Mount tray in location using 4 6/32 countersunk screws. Screws must mount flush to the
inside of the tray for clearence.

3. Select an appropriate location for the AI-Changer unit.
A. The cable between the Changer and the Controller should not exceed 25’.

4. Mount the AI-Changer brackets to the changer ( horizontal or vertical) utilizing the (4) screw,

washer and lock washers supplied. Mount the changer assembly to the floor decking utilizing (4)
MS24693-28 Screws, see page 8 of this manual.

5. Wire the unit as per diagram.

6. Install antenna on bottom or top of aircraft using approved practices and

data.

7. Use RG 142 for antenna lead.

INSTALLATION NOTES

:

1. In some installations the radio reception may be poor on the ground. This is normal, an in-flight

operational check should be accomplished after installation to ensure proper radio reception.

2. *** ( 14 volt systems ) low batteries may hinder operation prior to engine start

3. Consult the intercom manufacturer for specifications and hookup instructions.

4. On mono installations refer to the installation schematic for proper installation.

5. Unit must be completely seated in tray to ensure proper connection.

6. Do not over tighten the unit into the tray. Over tightening can damage unit.

7. Compact disc’s with scratches or other markings will cause skipping

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Avionics Innovations, Inc

AI-8 DCU/ AI-Changer 8

POST INSTALLATION CHECKOUT

1. Ensure unit operates according to the AI-8 DCU/ AI-Changer 8 operation manual 11000-1

This unit is equiped with a clock funtion, but due to the different voltage environments this unit serves, it
cannot be relied on as a time keeping device. Please ensure owner is briefed on this note.

NOTE

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AUDIO MUST BE ROUTED TO AN INTERCOM THAT HAS AN AUTO MUTE FEATURE
USE 1 AMP BREAKER FOR KEEP ALIVE
KEEP ALIVE CURRENT IS 7 TO 10 MA CONTINUOUS
HEADPHONE WILL DRIVE UP TO 4 AVIATION HEADSETS IN PARALLEL
POWER AND GROUND WIRING SHOULD BE 22 AWG MINIMUM MIL 27500/18

D

ANTENNA CONNECTOR

C

2

7
C

A

B

8
J

H

B

D

AI-8 DCU REAR CONNECTOR

E

F

3

4

A

5

6

1

USE MIL 27500/18 FOR HEADPHONE CABLE

KEEP ALIVE

1 2 34

1 AMP

3 AMP

TO BATT

POWER GROUND

15

7

3

4

5

6

9

2

1

8

Avionics Innovations, Inc

AI-8 DCU/ AI-Changer 8

UP

HEADPHONE AUDIO LEFT

HEADPHONE AUDIO RIGHT

AUDIO LOW

TO AVIONICS BUSS

15 PIN DSUB TO AI-CHANGER 8

PHONE LEFT

1

2

A

KEEP ALIVE

Installation Notes

Mount tray using 4 MS24693 Screws

Approved By:

Date

4

3

567 8

AUDIO GND

5 March, 2001

A+ INPUT 12-30 VDC

PHONE RIGHT

321

USE RG 142 FOR ANTENNA CONNECTION
USE ANTENNA CI 222 OR EQUIVILENT
USE 3 AMP FUSE OR CIRCUIT BREAKER FOR MAIN POWER
DO NOT SHORT LEFT AND RIGHT CHANNELS TOGETHER
SEE MONO INSTALLATION FOR HOOK-UP

MOLEX 16 PIN EDGE CONNECTOR

4

SHOWN FROM REAR OF TRAY

JHFEDCB

PWR GND

MONO OUTPUT ONLY

2

7

C

HEADPHONE AUDIO LEFT

HEADPHONE AUDIO RIGHT

470 OHM 1/4 WATT (2)

MONO OUTPUT

AUDIO LOW

Avionics Innovations

2450 Montecito Road. Ramona, CA 92065

AI-8 DCU INSTALLATION SCHEMATIC

Size FCSM No. DWG No. Rev

Letter

Scale Sheet

11900

1 of 1

D

C

B

A

NC

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