User’s Guide
VersaTools™ MDA 5V, 5SV,
5A RCA
Mini Distribution Amplifiers
68-614-01 Rev. B
Printed in the USA
08 02
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Introduction
The Extron MDA 5 Series of Mini Distribution Amplifiers (MDAs)
3.
Install blank panel(s) or other unit(s) to the rack shelf.
are a family of three video and audio distribution amplifiers. The
MDA are members of the Extron VersaTools™ line of basic
distribution amplifiers, switchers, and associated video
accessories.
4.
Insert the shelf into the rack, aligning the holes in the shelf
with those of the rack.
5.
Secure the shelf to the rack using the supplied machine
screws. This shelf can be mounted in the front or in the rear
of the rack.
The MDA 5V distributes buffered composite video, the MDA 5SV
distributes buffered S-video (luminance (Y) and chrominance
(C)), and the MDA 5A RCA distributes amplified stereo audio, on
RCA outputs.
Only products in the VersaTools line can be mounted to a
VersaTools shelf. Any 1U rack-mountable Extron product
can be mounted on the standard shelf.
The MDAs ship with external, desktop 12V power supplies,
which accept 100-240VAC input.
Installation
D
The MDA 5V, 5SV, and 5A RCA can be mounted on a rack shelf,
under a desk or tabletop, or on a projector bracket.
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Rack mounting
For optional rack mounting, mount the MDA on a VersaTools 19"
1U Rack Shelf (Extron part #60-190-20) (figure 1) or a standard
Universal 1U Rack Shelf (Extron part #60-190-01) (figure 2). On
the standard rack shelf, the MDA mounts in one of four locations
to the rear of the rack or in one of four locations to the front of the
rack.
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Figure 2 — Mounting the MDA on the standard shelf
Furniture or projector mounting
Furniture mount or projector mount the MDA using the optional
mounting kit (Part #70-212-01, furniture, or 70-217-01, projector)
as follows:
1.
Attach the mounting brackets to the MDA with the machine
screws provided (figure 3).
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VersaTools Rack Shelf
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Projector
Mounting
Bracket
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Mounting
Bolt
.5A
15V
MAX
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1/4 Rack Width False Front
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Face Plate
1
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Use 2 mounting holes on
opposite corners
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(2) 4-40 x 3/16" screws
Figure 1 — Rack mounting the MDA 5V, 5SV, or 5A
RCA on the VersaTools shelf
Ceiling
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Digital Projector
1.
If feet were previously installed on the bottom of the MDA,
remove them.
2.
Mount the MDA on the rack shelf, using two 4-40 x 3/16
screws in opposite (diagonal) corners to secure the MDA to
the shelf.
Projector Mounting
Under Desk Mounting
Figure 3 — Desk and projector mounting the
MDA 5V, 5SV, or 5A RCA
2
MDA 5V, 5SV, 5A RCA • Installation
MDA 5V, 5SV, 5A RCA • Installation
3
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Installation
End view of power
supply output cord.
Captive Screw
Connector
2.
If feet were previously installed on the bottom of the MDA,
remove them.
3.
For furniture mounting, hold the MDA with the attached
brackets against the underside of the table or other
furniture. Mark the location of the screw holes of the
bracket on the mounting surface.
+12V
Return
Figure 4 — Power connector wiring
Do not tin the stripped power supply leads before
4.
5.
6.
7.
8.
For furniture mounting, drill 3/32” (2 mm) diameter pilot
holes, 1/4” (6.3 mm) deep in the mounting surface at the
marked screw locations.
installing the captive screw connector. Tinned wires are
not as secure in the captive screw connectors and could
pull out.
For furniture mounting, insert #8 wood screws into the four
pilot holes. Tighten each screw into the mounting surface
until just less than 1/4” of the screw head protrudes.
The two power cord wires must be kept separate
while the power supply is plugged in. Remove
power before continuing.
For furniture mounting, align the mounting screws with
the slots in the brackets and place the MDA against the
surface, with the screws through the bracket slots.
To verify the polarity before connection, plug in the power
supply with no load and check the output with a voltmeter.
For furniture mounting, slide the receiver slightly forward
or back, then tighten all four screws to secure the MDA in
place.
Front Panel
4
All Models
For projector mounting, secure the MDA to a projector
mount or other surface by inserting the mounting bolt
through the bracket’s slotted hole.
DISTRIBUTION AMPLIFIER
INPUT
OUTPUTS
MDA 5V
Connections and Indicator
1
Rear Panel
MDA 5V
POWER
12V
.5A MAX
3
4
1
2
IN
Refer to figure 5.
HIGH Z
75 Ohm
Video Input connector — (MDA 5V - composite video and
MDA 5SV - S-video) Connect an input to this connector.
1
2
5
LOOP
2
6
5
3
Video Outputs (1 through 5) connectors — Connect up to
five video devices to these connectors. (MDA 5V -
composite video and MDA 5SV - S-video).
INPUT
OUTPUTS
MDA 5SV
1
POWER
12V
.5A MAX
3
4
Rear Panel
MDA 5SV
1
2
IN
HIGH Z
75 Ohm
Power connector— Plug the external 12V power supply
3
into this 2-pole captive screw connector. The power supply
is included with the unit. Figure 4 shows how to wire the
connector.
LOOP
5
3
2
5
6
When connecting the power supply, voltage polarity
is extremely important. Applying power with
incorrect voltage polarity could damage the power
supply and the MDA. Identify the power cord
negative lead by the ridges on the side of the cord.
CAUTION
MDA 5A RCA
5
1
2
3
4
L
Rear Panel
MDA 5A RCA
POWER
12V
.34A MAX
R
INPUT
OUTPUTS
8
3
7
Figure 5 — MDA 5V front and rear panels
MDA 5V, 5SV, 5A RCA • Specifications
4
MDA 5V, 5SV, 5A RCA • Connections
5
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Specifications
Power LED — Indicates power is applied.
4
5
6
Video output
Number/signal type
Loop connector — Provides passive loop-through for signal
MDA 5SV ............................. 6 S-video: 5 buffered for distribution, 1
High Z / 75 Ohm switch — Select 75-ohm termination on
passive loop-through
or off.
MDA 5V ............................... 6 composite video: 5 buffered for
distribution, 1 passive loop-through
Connectors
MDA 5SV ............................. 6 4-pin mini-DIN
MDA 5V ............................... 6 BNC female
Nominal levels................................. Composite video and Y of S-video: 1V p-p
C of S-video: 0.3V p-p
High Z — Select this position (up) if you are
connecting a terminated device to the Loop connector.
75 Ohm — This position (down) terminates the Input
connector with 75 ohms of impedance. Select this
position if you are not using the Loop connector, or if
you are connecting an unterminated device to the
Loop connector.
Minimum/maximum level(s) ....... 0.4V to 2.0V p-p
Impedance ........................................ 75 ohms
Return loss........................................ -30dB @ 5 MHz
DC offset ........................................... 5mV maximum with input at 0 offset
Audio input (left and right) connectors — Connect
unbalanced stereo to this RCA connector
7
8
Audio output (1 through 5, left and right) connectors —
Connect up to five audio (stereo) devices to these RCA
connectors.
Sync
Standards .......................................... NTSC 3.58, NTSC 4.43, PAL, SECAM
Audio — MDA 5A RCA
Gain ................................................... Unity (0dB)
Specifications
Frequency response ........................ 20 Hz to 20 kHz, 0.05dB
THD + Noise .................................... 0.03% @ 1 kHz at nominal level
S/N .................................................... >90 dB, at rated maximum output drive
Stereo channel separation .............. >80 dB @ 1 kHz; >60 dB @ 20 kHz
CMRR ................................................ >75 dB @ 20 Hz to 20 kHz
Video
Gain ................................................... Unity
Bandwidth
MDA 5SV ............................. 270 MHz (-3dB)
MDA 5V ............................... 435 MHz (-3dB)
Differential phase error .................. 0.05º, 0 to 50 MHz
Differential gain error .................... <0.05%, 0 to 50 MHz
Audio input — MDA 5A RCA
Number/signal type ...................... 1 stereo unbalanced
Connectors ....................................... 2 RCA connectors
Impedance ........................................ >10 kohms unbalanced, DC coupled
Nominal levels................................. Compatible with -10dBV (316mV), +4dBu
(1.23V), 0dBu (0.775V), -20dBV (100mV)
Video input
Number/signal type
MDA 5SV ............................. 1 NTSC/PAL/SECAM S-video
MDA 5V ............................... 1 NTSC/PAL/SECAM composite video
Connectors
Maximum level ............................... +18 dBu unbalanced at 1%THD+N
MDA 5SV ............................. 1 4-pin mini DIN female
MDA 5V ............................... 1 BNC female
Nominal levels................................. Composite video and Y of S-video: 1V p-p
C of S-video: 0.3V p-p
Audio output — MDA 5A RCA
Number/signal type ...................... 5 stereo, unbalanced
Connectors ....................................... 10 RCA connectors
Impedance ........................................ 50 ohms unbalanced
Gain error ......................................... 0.1dB channel to channel
Nominal levels................................. Compatible with -10dBV (316mV), +4dBu
(1.23V), 0dBu (0.775V), -20dBV (100mV)
Minimum/maximum level(s)
MDA 5SV ............................. Y: 0.4V to 2.0V p-p with no offset
MDA 5V ............................... 0.4V to 2.0V p-p with no offset
Impedance ........................................ 75 ohms
Return loss........................................ <-40dB @ 0 to 10 MHz for MDA 5V
<-25dB @ 0 to 10 MHz for MDA 5SV
Maximum level (Hi-Z) ................... >+18dBu, unbalanced at 1%THD+N
0dBu = 0.775 volts (RMS).
Maximum DC offset ....................... 1.0V
6
MDA 5V, 5SV, 5A RCA • Specifications
MDA 5V, 5SV, 5A RCA • Specifications
7
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General
Power ................................................ 100VAC to 240VAC, 50/60 Hz, 5 watts,
external, auto-switchable; to 12VDC,
1 A (max.) power supply. Product requires
0.4 A (max).
Temperature/humidity ................. Storage -40° to +158°F (-40° to +70°C) / 10%
to 90%, non-condensing
Operating +32° to +122°F (0° to +50°C) / 10%
to 90%, non-condensing
Rack mount ...................................... Yes, with optional 1U rack shelf, part #60-
190-01,
or the VersaTools rack shelf, part #60-190-20
Enclosure type ................................. Metal
Enclosure dimensions .................... 1.7" H x 4.3" W x 3.0" D (1U high, quarter
rack width)
4.2 cm H x 11.0 cm W x 7.6 cm D
(Depth excludes connectors and knobs.)
Product weight ................................ 0.7 lbs (0.3 kg)
Shipping weight .............................. 3 lbs (1.4 kg)
Vibration ........................................... ISTA/NSTA 1A in carton (International Safe
Transit Association)
Listings.............................................. UL, CUL
Compliances .................................... CE, FCC Class A, VCCI, AS/NZS, ICES
MTBF ................................................. 30,000 hours
Warranty........................................... 3 years parts and labor
Specifications are subject to change without notice.
FCC Class A Notice
Note: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful
interference, in which case the user will be required to correct the interference at his
own expense.
Note: This unit was tested with shielded cables on the peripheral devices. Shielded
cables must be used with the unit to ensure compliance.
Extron Electronics, USA
1230 South Lewis Street
Anaheim, CA 92805
USA
Extron Electronics, Europe
Beeldschermweg 6C
3821 AH Amersfoort
The Netherlands
Extron Electronics, Asia
135 Joo Seng Road, #04-01
PM Industrial Building
Singapore 368363
Extron Electronics, Japan
Daisan DMJ Building 6F
3-9-1 Kudan Minami
Chiyoda-ku, Tokyo 102-0074 Japan
+81.3.3511.7655
714.491.1500
+31.33.453.4040
+65.6383.4400
Fax 714.491.1517
Fax +31.33.453.4050
Fax +65.6383.4664
Fax +81.3.3511.7656
© 2002 Extron Electronics. All rights reserved.
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