Flight Display Systems DAPS440-SW Manual de usuario

Document Number:

MAN –DAPS440-SW

Rev:

Revision Date:

09/14/2010

Page 1 of 15

DAPS440-SW

Installation and Operation Manual

Distribution Amp with Indicator Interface

TECHNICAL SUPPORT

678-867-6717, or

www.FlightDisplay.com

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Document Number:

MAN –DAPS440-SW

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Revision Date:

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DAPS440-SW

Distribution Amp with Indicator Interface

Flight Display Systems

1765 Grassland Parkway

Alpharetta, GA 30004

678-867-6717 Phone

678-867-6742 Fax

[email protected]

www.flightdisplay.com

For the most current copy of all product manuals, please visit our website at

www.flightdisplay.com

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Document Number:

MAN –DAPS440-SW

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09/14/2010

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Table of Contents

General Information......................................................................................................................4

1. Front View..........................................................................................................................4

2. Additional Information....................................................................................................4

Specifications................................................................................................................................5

Installation Instructions .............................................................................................................5

1. Power ..................................................................................................................................5

Switch.............................................................................................................................................6

1. Switch Wiring Suggestion ...............................................................................................7

Video Wiring Suggestions .........................................................................................................8

1. S-Video/Composite and Audio Wiring ........................................................................8

2. Power and Ground Wiring..............................................................................................8

Power/Video..................................................................................................................................9

1. Pinout DB-15......................................................................................................................9

2. Pinout DB-25....................................................................................................................10

Troubleshooting.........................................................................................................................11

1. Video Noise......................................................................................................................11

2. Snow or Sweeping Lines................................................................................................11

3. No Power to Monitor, or No Video Input...................................................................11

4. Color Distortion...............................................................................................................11

5. Remote Control Inoperable ...........................................................................................11

Technical Support......................................................................................................................12

Instructions for Continued Airworthiness ...........................................................................12

Warranty ......................................................................................................................................13

Installation Drawing .................................................................................................................14

Log of Revisions.........................................................................................................................15

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Document Number:

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General Information

The DAPS440-SW is a 4x4 Audio & Video input source distribution amplifier that will

remember and display four different audio/video input sources. In addition, the DAPS440-

SW supplies 3 Amps of 12VDC of power available for other cabin entertainment products

(i.e. Wireless Audio, DVD player, Glareshield Camera, or LCD monitors).

Front View

Additional Information

Traditionally, cabin entertainment switching equipment is very expensive to purchase and

can require long lead times depending on the complexity of the system. The cost for each

switch is about $1000. Flight Display Systems has designed a product that significantly

lowers the cost of switching, reduces lead times, and makes the overall installation simple.

Best of all, the operation of the equipment is very easy for the passengers to operate

As an example, if you have installed our Moving Map, Glareshield Camera and two DVD

players, the DAPS440-SW can sequence output from Moving Map, to Camera, to DVD1,

and then to DVD2.

The DAPS44-SW is set up so that all channels revert to input 1 upon power up (or power

cycle).

The DAPS440-SW is made of all metal components. DO-160 testing has been completed

and is available upon request.

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Specifications

Dimensions

9.5”(W) x 1.25”(H) x 7.25”(D)

Video System

NTSC/PAL

Input Sources

4 Audio/Video Channels

Output Sources

4 Audio/Video Each

Control Sequence

Source 1,2,3,4

Video Impedance

75 Ohms

Audio Impedance

8.2 KOhms

Weight

1 lb 8 oz

Power

28VDC @ 1.0 Amps

Remote Control

Via Eaton Switch (Not Supplied)

Mounting

6 Points on Flange

Source Selection

Switch(es):

Eaton (58210220) or Staco (982431)

Materials

Aluminum

D0-160

Section 21, Category B

Installation Instructions

All cabin entertainment equipment, such as the DAPS440-SW, should be installed on a

non-essential bus and have a dedicated circuit breaker. It is a requirement that a switch be

installed so that the pilot can de-energize the system should it become necessary.

There are six mounting slots located on the sides of the housing. Four holes are located at

the four corners of the back and two holes are located one on each side of the flange. It is

sufficient to mount the unit by two attach points. It is recommended that you leave about ¼

inch of space around the unit for air circulation.

Audio/Video inputs are paired and listed on the same side of the unit as the Power Input

DB-15. From left to right the video/audio inputs are line 1,2,3,4. Use the inputs

sequentially as you would like them selected by the operator.

On the opposite side of the unit is the output side. Here you will find four paired output

jacks.

Power

This is a 28VDC device that requires 1.0 Amps of power to operate.

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Switch

The new DAPS440-SW works with an off the shelf low-cost, no lead time Eaton 4 position

micro switch (Eaton P/N 58210220) or Staco switch (P/N 982431). Each time the switch is

activated it cycles and displays the current equipment source (Example shown below:

“MAP, DVD1, DVD2, CAM”). The Eaton switch uses 28 volt lamps, and the Staco switch

uses LEDs.

The DAPPS440-SW will support the installation of four independent switches at four

different seat locations. Each time the switch is activated, it will illuminate the current

source selected.

The switch illustrated above is from Eaton. Eaton and Staco switches can be ordered from

Dallas Avionics (800-527-2581) and can be customized to the customer’s requirements.

Lead time is one week for customization. The DAPPS440-SW does not include the Eaton

or Staco switch.

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+28VDC

TOP RIGHT INDICATOR

TOP LEFT INDICATOR

BOTTOM LEFT INDICATOR

BOTTOM RIGHT INDICATOR

GROUND

NORMALLY OPEN

NO CONNECTION

4-POSITION LED SWITCH

SWITCHSWITCH

TOP RIGHTTOP RIGHT

BOTTOM RIGHTBOTTOM RIGHT

TOP LEFTTOP LEFT

BOTTOM LEFTBOTTOM LEFT

Switch Wiring Suggestion:

The diagram below shows a suggested wiring of the switch. From the DB-25 connector,

use the Normally Open pin and a DC ground (switch common) to establish the switch

connection.

To control the indicators, supply 28V DC power to the common Anode of the indicators (or

the power side). Connect each Cathode (or ground side) for each indicator to the DB pins

as indicated in this manual.

If there is a ground difference between the unit and the aircraft, this might cause the

switches not to operate properly. The DB-25 connector includes 28V DC and ground to

supply to the switches if such problem arises.

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Document Number:

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Revision Date:

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Video Wiring Suggestions

All shields should be grounded to the connector at the source, and floating at the display.

Avoid routing video wiring parallel to:

•AC wiring

•Strobe wiring

•DC motor supply cables

•Inverter cabling

•Or any other potential noise source.

S-Video/Composite and Audio Wiring

Recommended cable for s-video/composite and audio purposes is PIC 75 Ohm Coax, P/N

V75268. This is a lightweight, flexible, and low signal loss cable which meets FAA

flammability requirements of FAR 23.1359(d), FAR 25.853(a) and FAR 25.869(a)(4).

Similar aviation coaxial cable can be used from other vendors, as well.

Some aircraft are prone to AC noise - we recommend adding to the composite source a

75Ohm video isolation transformer such as Deerfield Laboratory, Inc. Part No. 162-1

(www.deerfieldlab.com, (650) 632-4090). In most cases this should be added to the video

output of the source.

Power and Ground Wiring

22 AWG wire is recommended for Power and Ground applications.

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Document Number:

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Revision Date:

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Power/Video

Pin out for P1 (High Density DB-15 Receptacle)

Part Numbers for DB-15 connectors, manufactured by Tyco or Amp.

High density, D-sub, 15 contact receptacle (female) P/N 748565-1

HD15F pins P/N M39029/57-354

Number

Description

28VDC Power In

28VDC Ground In

N/C

12VDC Power Out

12VDC Ground Out

N/C

12VDC Power Out

12VDC Ground Out

N/C

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Pin out for P1 (High Density DB-25 Receptacle)

Number

Switch

Description

28V Output

Normally Open

Top Left Indicator

Top Right Indicator

Bottom Left Indicator

Bottom Right Indicator

Normally Open

Top Left Indicator

Top Right Indicator

Bottom Left Indicator

Bottom Right Indicator

Ground

Normally Open

Top Left Indicator

Top Right Indicator

Bottom Left Indicator

Bottom Right Indicator

Normally Open

Top Left Indicator

Top Right Indicator

Bottom Left Indicator

Bottom Right Indicator

Ground

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