Extron electronic MDA 3SV, MDA 3AV, MDA 3V Dual, MDA 3V, MDA 3SVA User Manual

Setup Guide — MDA 3 Series

Setup Guide — MDA 3V Series, cont’d

This card provides quick start instructions for an experienced
installer to set up and operate Extron MDA 3 Series
S-video, composite video, and audio distribution
amplifiers. See the table below right to identify the
attributes of each model covered in this guide.

Installation

Step 1 — Mounting

Turn off or disconnect all equipment power sources and
mount the MDA as required.

Step 2 — Connections

N

MDA 3SVA,
Rear Panel

MDA 3SVA

POWER

12V
.5A MAX

The drawings below may show features not on your

MDA, depending on your model.
The MDA 3V Dual has two separate DAs in a single
enclosure.

Input connector (MDA 3SV models) —

a

Connect an S-video video source
to the Input 4-pin mini DIN connector.

Output connectors (MDA 3SV models) — Connect up to three S-video displays to

b

these 4-pin mini DIN Output connectors.

1

2

MDA 3AV,
Rear Panel

INPUT

INPUT

L R L R L R L R

1

58

In connector (MDA 3V and 3AV models) — Connect a composite video

c

source to the BNC connector.

Out connectors (MDA 3V and 3AV models) — Connect up to three

d

composite video displays to these BNC connectors.

Input connector (MDA 3SV A, MDA 3AV, and MDA 3A) — Connect a

e

balanced or unbalanced stereo audio or mono audio device to the Input

OUTPUTS

1

2

OUTPUTS

2

6 7

3

BAL

3

1 2 3

UNBAL

5-pole captive screw connector. Wire the connectors as shown below:

Distribution

Amplifier

MDA 3SV

MDA 3SVA

MDA 3V

MDA 3AV

MDA 3V Dual

MDA 3A

2 = Two separate DAs.

3

MDA 3AV

POWER

12V

.34A MAX

I

N

INPUT

L R L R L R L R

1

1

58

screw connectors)

Composite video

Audio (captive

S-video

2

4

2

OUTPUTS

2

3

3

6 7

BAL

1 2 3

UNBAL

Output connectors (MDA 3SV A, MDA 3AV, and MDA 3A) — Connect up to three

f

balanced or unbalanced stereo audio or mono audio devices to the Output 5-pole
captive screw connectors. Wire the connectors as shown below.

C

For unbalanced audio output, connect the sleeve(s) to the ground contact.

DO NOT connect the sleeve(s) to the negative (-) contacts).

Sleeve (s)

Balanced Stereo OutputUnbalanced Stereo Output

Ring

Ring

Tip

Tip

L R

BAL

Tip

NO GROUND HERE.

Sleeve(s)

Tip

NO GROUND HERE.

Do not tin the wires!

Bal(anced)/Unbal(anced) DIP switches (Audio models) — For each

g

balanced audio output, set the associated DIP switch to the Balanced (up)

L R

position. For each unbalanced audio output, set the associated DIP switch to
the Unbalanced (down) position.

Each output can be balanced or unbalanced independently of the other two

1 2 3

UNBAL

outputs.

Power connector — Connect an IEC power cord

h

between the included 12 V power supply and a
100 VAC/240 VAC, 50-60 Hz source. Connect the power
supply to the MDA as shown at right.

C

Always use a power supply supplied and or specified

by Extron. Use of an unauthorized power supply
voids all regulatory compliance certification and may

O
U
T

cause damage to the supply and the end product.
Unless otherwise stated, the AC/DC adapters are

Smooth

SECTION A–A

Power Supply

Output Cord

Ridges

Captive

Screw

A A

Connector

Tie
Wrap

3"
16 (5 mm)
Max.

not suitable for use in air handling spaces or in
wall cavities. The installation must always be in accordance with the applicable
provisions of National Electrical Code ANSI/NFPA 70, article 75 and the
Canadian Electrical Code part 1, section 16. The power supply shall not be
permanently fixed to building structure or similar structure..

Operation

After all devices are powered up, the system is fully operational. If any problems are
encountered, verify that the cables are routed and connected properly. If your problems
persist, call the Extron S3 Sales & Technical Support Hotline that is closest to you, at the
number shown below.

Do not tin the wires!

Tip

Sleeve

Tip

Sleeve

Unbalanced Stereo Input

(high impedance)

L R

Tip

Ring

Sleeve (s)

Tip

Ring

Balanced Stereo Input

(high impedance)

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© 2010 Extron Electronics. All rights reserved.

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Rev. A 01 10