Setup Guide — MDA 5V, 5SV, 5A RCA
The Extron® MDA 5 series of mini distribution amplifiers distribute buffered
composite video (MDA 5V), buffered S-video (MDA 5SV), and amplified stereo audio
(MDA 5A RCA). Unless otherwise stated, these instructions apply to all three of the
amplifiers.
These instructions provide a quick setup guide for experienced installers.
Installation and service must be performed by authorized personnel only.
W
Indicators and
Connectors
INPUT
OUTPUTS
MDA 5SV
3
POWER
12V
.5A MAX
3
4
Power LED
1
2
IN
HIGH Z
75 Ohm
a
1
Power supply input
b
c
d
DISTRIBUTION AMPLIFIER
LOOP
5
Video input
Front Panel All Models
Video loop to local
monitor
2
7
4
6
Rear Panel MDA 5SV
Audio input (left channel
top; right channel
bottom)
e
INPUT
OUTPUTS
MDA 5A RCA
MDA 5V
5
1
2
3
4
3
L
POWER
12V
.5A MAX
POWER
12V
.34A MAX
3
1
2
IN
HIGH Z
75 Ohm
High Z/75 Ohm switch
video outputs
f
g
h
R
4
5
INPUT
OUTPUTS
LOOP
audio outputs (left
channel top; right
channel bottom)
7
6
8
4
2
5
2
Rear Panel MDA 5V
Rear Panel MDA 5A RCA
Step 1
Turn all the equipment off and disconnect all cables.
Step 2
Mount the unit in a convenient location, in a rack, under a desk, or on a projector mounting system. Follow the
instructions included with the appropriate mounting kit.
POWER
12V
.5A MAX
Step 3
Connect the external 12 VDC power supply (provided) to the 2-pole, captive screw power
connector ( ). When power is applied to the unit, the front panel LED ( ) lights green.
b
a
Voltage polarity is important. Identify the negative lead by the ridges on the side (see figure
at right).
C
Always use a power supply specified by Extron for this unit. Use of an unauthorized power
supply voids all regulatory compliance certification and may cause damage to the supply
and the distribution amplifier.
C
Smooth
Ridges
A
A
SECTION A–A
Power Supply
Output Cord
Step 4
For the MDA 5V:
Connect a video source to the video input ( ), using composite video (BNC) connectors.
c
For the MDA 5SV:
Connect a video source to the video input ( ), using S-video (4-pin mini DIN) connectors.
c
For the MDA 5A RCA:
Connect an audio source to the audio inputs ( ), using unbalanced stereo to RCA connectors. Left channel input goes to
c
the upper input; right channel input goes to the lower input.
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