Question about ViewSonic VA720 17" LCD Flat Panel Monitor

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Where to buy a 12V 3.0A output power supply for a TFT monitor

Would like to replace the power supply of my flat screen monitor; need 12V and 3.0A...

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I would just google for power supply 12v 3.0a. However you need to make sure the connector is the same as yours and the polarity is the same. Look for any markings (part number) on your A/C transformer. Search for that first. If no luck then find a similar one.


Here is one such AC/DC power supply:

http://www.smarthome.com/70424/Enforcer-12VDC-3-0A-High-Current-Power-Supply/p.aspx

Posted on May 30, 2009

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A google search provided this website that sells the AC Adaptor your looking for:

http://insidecomputer.stores.yahoo.net/viewsonic-va720-60w-4pin-lcd-ac-power-supply-1599-1ye72060415991.html

Looks to be around $16.00 before S/H.

Hope this helps.

Has the specs that your looking for.


Posted on May 30, 2009

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Posted on Jan 02, 2017

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The most common cause of that type problem is a failure of the filter capacitors on the power supply board. There are 7 capacitors that filter the output voltages from the board and when they start to die the power supply board can not start correctly. When you let the unit sit for a while they can finally build up a charge and allow the board to power up the monitor. The worst they get the longer the time will take to get a picture until one day - No picture at all. The board is easy to repair, you will get need to remove and replace the bad capacitors on the board. Here is a link to information showing where the capacitors are located on the board and the values needed to replace them.

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jim

my supply has the following specs.
LIEN CHANG
BSA-35-115
AC input- 110-240v 1A  47-63Hz
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