Extron electronic Extron Electronics Power Supply 306 User's Manual
Power Supply Replacement Instructions
for the MLS 304/306/406
1.
Disconnectthepowercordfromtheswitcher.
2
. Iftheswitcherisrackmounted,removeitfromtherack.
3
. Removethe14screws(8onthetopand3oneachside)thatsecurethe
switcher’stopcover,asshownbelow.
Lift cover
straight up.
Remove (14)
screws from
top and sides.
4
. Liftthecoverstraightupandoff.
5
. Disconnectbothpowersupplycables,asshownbelow.Disconnectthetwo-
pinpowerinputcablefromthepowersupply.Disconnectthepowersupply
outputcablefromtheswitcher’smainPCBboard(notthepowersupply).
Remove the
screw.
Power Supply to be Removed
Remove the screw.
Disconnect the
cable from the
main board
end.
Remove the screw.
Remove the screw.
Disconnect the
cable from the
power supply’s
2-pin connector.
6
. Removethefourscrewsthatsecurethepowersupplytothebaseofthe
switcher.Retainatleasttwoofthescrewsforinstallationofthenewpower
supply.
Extron Electronics, USA
1230 South Lewis Street
Anaheim, CA 92805
800.633.9876 714.491.1500
FAX 714.491.1517
Extron Electronics, Europe
Beeldschermweg 6C
3821 AH Amersfoort, The Netherlands
+800.3987.6673 +31.33.453.4040
FAX +31.33.453.4050
Extron Electronics, Asia
135 Joo Seng Rd. #04-01
PM Industrial Bldg., Singapore 368363
+800.7339.8766 +65.6383.4400
FAX +65.6383.4664
Extron Electronics, Japan
Kyodo Building, 16 Ichibancho
Chiyoda-ku, Tokyo 102-0082
Japan
+81.3.3511.7655 FAX +81.3.3511.7656
www.extron.com
68-1262-04
Rev. A
09 07
Install
standoffs (2).
Plug the PCB’s power output cable
to the power supply’s 2-pin power
input connector.
Install screws (2).
Plug the output
cable from fhe
power supply to
the PCB’s power
input connector.
10
. Connecttheswitcher’spoweroutputcabletothepowersupply’s2-pinpower
inputconnector.Seethepreviousillustration.
11
. Connectpoweroutputcablefromthepowersupplytotheswitcher’spower
inputconnector.Seethepreviousillustration.
12
. Installtheinsulatorandattachingscrewsthatwereremovedinstep7.
Position insulator
under
the heat sink.
Fasten the
insulator to the
standoffs.
Heat Sink
C
The insulator must be tucked under the heat sink to protect components
from possible damage.
13
. Replacethetopcoverandreinstallthe14screwsremovedinstep3.
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