Extron electronic Extron Electronics Power Supply 306 User's Manual

Extron electronic Power Supply User's Manual - Extron Electronics Power Supply 306.
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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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