Extron electronic Stereo Amplifier MDA 5A RCA User Manual

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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