Extron electronic Stereo Amplifier MDA 3SV User Manual

Setup Guide — MDA 3V Series, cont’d  
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.  
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.  
f
C
For unbalanced audio output, connect the sleeve(s) to the ground contact.  
DO NOT connect the sleeve(s) to the negative (-) contacts).  
Installation  
Step 1 — Mounting  
Tip  
Tip  
Ring  
NO GROUND HERE.  
Sleeve(s)  
Sleeve (s)  
Tip  
Tip  
Turn off or disconnect all equipment power sources and  
mount the MDA as required.  
NO GROUND HERE.  
Ring  
Do not tin the wires!  
Unbalanced Stereo Output  
Balanced Stereo Output  
Distribution  
Amplifier  
Step 2 — Connections  
BAL  
Bal(anced)/Unbal(anced) DIP switches (Audio models) — For each  
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.  
MDA 3SV  
g
h
The drawings below may show features not on your  
MDA, depending on your model.  
N
MDA 3SVA  
MDA 3V  
The MDA 3V Dual has two separate DAs in a single  
enclosure.  
MDA 3AV  
1
2
3
UNBAL  
MDA 3V Dual  
MDA 3A  
2
Each output can be balanced or unbalanced independently of the other two  
outputs.  
Input connector (MDA 3SV models) —  
Connect an S-video video source  
to the Input 4-pin mini DIN connector.  
a
2 = Two separate DAs.  
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.  
Smooth  
Ridges  
Output connectors (MDA 3SV models) — Connect up to three S-video displays to  
these 4-pin mini DIN Output connectors.  
Captive  
Screw  
Connector  
b
A
A
2
C
1
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..  
4
3
Tie  
Wrap  
MDA 3SVA,  
Rear Panel  
MDA 3AV,  
Rear Panel  
3"  
16 (5 mm)  
Max.  
INPUT  
OUTPUTS  
MDA 3SVA  
MDA 3AV  
SECTION A–A  
Power Supply  
Output Cord  
O
U
T
I
N
1
R
1
2
2
3
R
3
POWER  
12V  
POWER  
12V  
.34A MAX  
INPUT  
INPUT  
OUTPUTS  
OUTPUTS  
BAL  
BAL  
.5A MAX  
L
R
L
1
L
2
R
L
3
L
R
L
1
R
L
2
R
L
3
R
1
2
3
1
2
3
UNBAL  
UNBAL  
6
7
8
5
6
7
8
5
Operation  
In connector (MDA 3V and 3AV models) — Connect a composite video  
source to the BNC connector.  
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.  
c
Out connectors (MDA 3V and 3AV models) — Connect up to three  
composite video displays to these BNC connectors.  
d
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:  
Tip  
Sleeve  
Tip  
Ring  
Sleeve (s)  
Tip  
Tip  
Sleeve  
Ring  
Do not tin the wires!  
Balanced Stereo Input  
Unbalanced Stereo Input  
(high impedance)  
(high impedance)  
Extron USA-West Extron USA-East Extron Europe  
Extron Asia  
Extron Japan  
Extron China  
Extron Middle East  
Headquarters  
+800.633.9876  
+800.3987.6673  
+800.7339.8766  
+81.3.3511.7655  
+81.3.3511.7656 FAX  
+400.883.1568  
+971.4.2991800  
+971.4.2991880 FAX  
Inside USA / Canada Only  
Inside Europe Only  
Inside Asia Only  
Inside China Only  
+800.633.9876  
Inside USA / Canada Only  
+1.919.863.1794  
+1.919.863.1797 FAX  
+31.33.453.4040  
+31.33.453.4050 FAX  
+65.6383.4400  
+65.6383.4664 FAX  
+86.21.3760.1568  
+86.21.3760.1566 FAX  
+1.714.491.1500  
+1.714.491.1517 FAX  
68-607-50  
Rev. A 01 10  
© 2010 Extron Electronics. All rights reserved.  
 

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