Extron Electronics MDA 3 Series Setup Guide User Manual
Setup guide — mda 3 series, Setup guide — mda 3v series, cont’d, Installation
Setup Guide — MDA 3 Series
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
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.
a
Input connector (MDA 3SV models) —
Connect an S-video video source
to the Input 4-pin mini DIN connector.
b
Output connectors (MDA 3SV models) — Connect up to three S-video displays to
these 4-pin mini DIN Output connectors.
MDA 3AV
POWER
12V
.34A MAX
L
R
L
R
L
R
L
R
INPUT
OUTPUTS
1
2
3
BAL
1 2 3
UNBAL
1
I
N
O
U
T
2
3
MDA 3AV,
Rear Panel
MDA 3SVA
POWER
12V
.5A MAX
L
R
L
R
L
R
L
R
INPUT
OUTPUTS
1
2
3
BAL
1 2 3
UNBAL
1
2
3
INPUT
OUTPUTS
MDA 3SVA,
Rear Panel
1
2
5
8
6
7
3
4
5
8
6
7
c
In connector (MDA 3V and 3AV models) — Connect a composite video
source to the BNC connector.
d
Out connectors (MDA 3V and 3AV models) — Connect up to three
composite video displays to these BNC connectors.
e
Input connector (MDA 3SV A, MDA 3AV, and MDA 3A) — Connect a
balanced or unbalanced stereo audio or mono audio device to the Input
5-pole captive screw connector. Wire the connectors as shown below:
L
R
Unbalanced Stereo Input
Balanced Stereo Input
(high impedance)
(high impedance)
Do not tin the wires!
Tip
Sleeve
Tip
Sleeve
Tip
Ring
Sleeve (s)
Tip
Ring
Distribution
Amplifier
Audio (captiv
e
screw connectors)
S-video
MDA 3V
MDA 3AV
MDA 3V Dual
MDA 3SV
MDA 3SVA
2
MDA 3A
2 = Two separate DAs.
Composite video
Setup Guide — MDA 3V Series, cont’d
68-607-50
Rev. A 01 10
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Power Supply
Output Cord
SECTION A–A
Ridges
Smooth
A
A
Captive
Screw
Connector
Tie
Wrap
3"
16 (5 mm)
Max.
f
Output connectors (MDA 3SV A, MDA 3AV, and MDA 3A) — Connect up to three
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).
L
R
Balanced Stereo Output
Unbalanced Stereo Output
Tip
Ring
Sleeve (s)
Tip
Ring
Sleeve(s)
L
R
Tip
Tip
NO GROUND HERE.
NO GROUND HERE.
Do not tin the wires!
g
Bal(anced)/Unbal(anced) DIP switches (Audio models) — For each
BAL
1 2 3
UNBAL
balanced audio output, set the associated DIP switch to the Balanced (up)
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
outputs.
h
Power connector — Connect an IEC power cord
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
cause damage to the supply and the end product.
Unless otherwise stated, the AC/DC adapters are
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 S
3
Sales & Technical Support Hotline that is closest to you, at the
number shown below.