Extron MPA 401-70V Bruksanvisning

Extron mottagare MPA 401-70V

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1
MPA 401-70V and MPA 401-100V • Setup Guide
This guide provides basic instructions for an experienced installer to install and congure the
Extron MPA 401-70V and MPA 401-100V mini power ampliers.
INPUTS OUTPUT
50/60 Hz
100-240V .3A
2
134
LRLR
LR
L R
LR
AUDIO
VID
12
3
4
Y
/VID
B-Y
H/
HV
R
/R-Y
V
G
/Y
B
/B-Y
RS-232
LAN
RESET
ACTLINK
DVI-I
YC
SDI R-Y
/C
RGB/R-Y,Y,B-Y/YC/VID
I
N
P
U
T
O
U
T
P
U
T
I
N
P
U
T
O
U
T
P
U
T
P O WER
12V
1.5A MAX
OU T P U T
70V
INP U T S
L
(MONO)
(MONO)
RREMO T E
VOL/MUTE
MPA 401- 70V
R
L
CLAS S 2 W IRING
DO NOT GROUND
OR S HORT
S PEAKER OUTPUTS !
10V 50mA
US
LI S T E D
17TT
AUDIO/VIDEO
APPARATUS
®
Extron
SI 3CT LP
Full-Range
Ceiling S speaker
Extron
MPA 401
Mini Power
Amplier
Extron
DVS 4 DVI 30 AD
Digital V ideo
Scaler
with Audio
Audio
F t P la anel
Display
(DVI)
DSS R verecei
(S-video)
Laptop
(RGB)
DVD
(Component)
VCR
(Video)
Ext 50ron VC
Vol e C r um ontrolle
Extron
MLC 4 10 IP Plus
Controller
POWER
12V
1.5A MAX
CLAS S 2 W IRING
L
(SUMMED)
(SUMMED)
R
VCG
MPA 401- 100V
R
L
10V 50mA
REMOTE 100V OUTPUT
INPU T S
VC 50
Extron
VOLUME
DB S R ECEIVER
CONFIG
DISPLAY
MLC 104 IP
VOLUME
1
2
3
4
ON
OFF
Step 1 — Turn all of the equipment off and disconnect all power sources.
Step 2 — Mount the amplier in either a plenum space, on a rack, under a desk, or on a projector.
ATTENTION: Although the amplier is plenum rated, the power supply provided with it is not. The power supply must not be
placed in the plenum space. Cables to and from the amplier must be plenum rated.
NOTE: Use only the two round mounting holes for mounting the MPA 401. The other four (hexagonal) holes anchor stand-offs
for the internal circuit boards. Using them may damage the amplier and does not provide secure mounting for the unit.
Step 3 — Attach the speakers to the MPA 401 using the 2-pole, 5 mm screw-lock
captive screw speaker receptacle on the rear panel. (The old and new silk screens for the
MPA401-100V are shown to the right).
ATTENTION: Do not ground or short the speaker outputs as this will damage the
amplier.
NOTE: The mono audio speaker receptacle may be labeled in one of two ways (see
the images to the right). The wiring and function are the same whichever way the
product is labeled.
Step 4 — Attach sources to the MPA 401 unit from the audio source or projector.
The three rear panel audio inputs can be used individually or together:
zOne pair of RCA receptacles (unbalanced)
zOne 3.5 mm stereo tip-ring-sleeve receptacle (unbalanced)
zOne 3.5 mm, 5-pole captive screw receptacle (balanced or unbalanced)
Balanced Mono Input
Tip
Ring
Sleeve
L R
Balanced Stereo Input
Tip
Ring
Tip
Ring
Slee sve
L R
Unbalanced Stereo Input
Tip
Slee
ve
Slee
ve
Tip
L R
Unbalanced Mono Input
Tip
Sleeve
L R
CLASS 2 WIRING
100V OUTPUT
Tip (+)
Slee ( )ve
RCA Connector
Slee ( )ve
Ring (R)
Tip (L)
3.5 mm TRS Connector
OUTPUT
100V
2
MPA 401-70V and MPA 401-100V • Setup Guide (Cont’d)
Extron Headquarters
+1.800.633.9876 (Inside USA/Canada Only)
Extron USA - West Extron USA - East
+1.714.491.1500 +1.919.850.1000
+1.714.491.1517 FAX +1.919.850.1001 FAX
Extron Europe
+800.3987.6673
(Inside Europe Only)
+31.33.453.4040
+31.33.453.4050 FAX
Extron Asia
+65.6383.4400
+65.6383.4664 FAX
Extron Japan
+81.3.3511.7655
+81.3.3511.7656 FAX
Extron China
+86.21.3760.1568
+86.21.3760.1566 FAX
Extron Middle East
+971.4.299.1800
+971.4.299.1880 FAX
Extron Korea
+82.2.3444.1571
+82.2.3444.1575 FAX
Extron India
1800.3070.3777
(Inside India Only)
+91.80.3055.3777
+91.80.3055.3737 FAX
© 2013 Extron Electronics All rights reserved. www.extron.com 68-1436-50
Rev C 05 13
NOTES:
• The input receptacle may be labeled in one of two ways: the ground pins of the input
connector port may be labeled or (see the images to the right). The wiring and
function are the same whichever way the product is labeled
• The MPA 401 amplifier sums the left and right signals from both the TRS and RCA
inputs to form Sum 1. Sum 1 is then weighted. At the same time, the amplifier sums
the left and right signals from the captive screw input to form Sum 2. Sum 1 and Sum 2
are then summed together to form a single mono signal. See figure 6 on page 9 of the
MPA401 Series User Guide for more details.
• The captive screw, RCA and TRS inputs are buffered.
Ensure that the audio output of the projector is set to variable out. Multiple input options can be
used simultaneously and result in summing.
Step 5 — Connect power cords to the MPA 401 and other audio
equipment. The MPA401 ships with an Extron 36W desktop power
supply.
Connect the pre-wired captive screw connector into one of the two pole,
3.5 mm captive screw outlets on the power supply and the other end into
the power receptacle on the amplier (see the gure to the right). The
power cord connectors are correctly wired when shipped.
ATTENTION:
• See the attention notices in the Power Input section of the
MPA401 Series User Guide for important information about using
power supplies.
• When the 36 W power supply is connected to the MPA 401, it
must not be shared with any other devices.
Step 6 — Adjust the MPA 401 input level, bass, and treble from the front panel (see gure at right).
1. If necessary, unplug the remote connector from the unit (see step 7, below).
2. If connecting the amplier to a system with adjustable volume, set the volume to its lowest
point. Then adjust the MPA401 front panel level potentiometer fully counterclockwise.
3. Set the system volume to its maximum volume level (no sound should come out).
4. Return to the MPA 401 and raise the level until sound distortion rst occurs, then lower slightly until the distortion disappears.
This setting ensures that, whatever the system volume setting may be, no clipping occurs.
5. Adjust bass and treble to preference.
Step 7 — The rear panel 3-pole Remote captive screw receptacle on the amplier can be
used for remote control of the volume by an Extron volume controller such as an Extron
VCM100 AAP, VC 50, or MLA VC10 Plus. A MediaLink controller can also adjust the audio
volume via a network connection or by IR remote (see the MPA 401 Series User Guide).
NOTE: Control signal ground pins may be labeled as or “G.” The wiring and function
are the same, whichever way the product is labeled.
BASSLEVEL TREBLE
MINI POWER AMPLIFIER
MPA 401
Power Receptacle
DC Power Cord
Captive Scr Connectorew
MPA 401 series
Amplifier
DC Powe
r
Outputs
AC Power Cord
Tie
Wrap
Captive Screw
Connector
Power Supply
Output Cord
36 W Power Supply
12V
1.5A MAX
INPUTS
L (MONO)
L (MONO)
R
R
L
(SUMMED)
(SUMMED)
R
R
L
INPUTS
V C G
10V 50mA
REMOTE
REMOTE
VOL/MUTE
10V 50mA

Produktspecifikationer

Varumärke: Extron
Kategori: mottagare
Modell: MPA 401-70V

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