Question about ViewSonic VG150 15" LCD Monitor

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I have a viewsonic vg150 and the led on the board is lighting but the power don't come on what could be the problem.

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Greg_olive, Possible failure of "cold-cathode-fluorescent-lamp" power supply called INVERTER CIRCUIT inside of monitor. If "lay on floor" black brick "switch-mode-power-supply" detects fault with CCFL inverter it will go into full or partial "shutdown" mode to try and save itself from having a catastrophic, nonrecoverable failure. e.g. sparks, smoke. fire. A tech will need to investigate it. Your monitor no different than any other CCFL backlit LCD brand in it's basic operating principle!!! Read more of my and other techs FIXYA profiles for more info and options that are open to you as a consumer/user of lcd monitors. Black, or black and blank is you're and thousand's of other users symptom. If pocket is deep enough, take the easy way out! Trade for new! If not, then you will have a lot of reading and surfing to do. Two other very good tech types on fixya have nicknames "budmrtn" and "buddymc" !! Read their stuff also for more info. good luck with repair. 12fixlouie north of Windy City

Posted on Jan 31, 2010

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Posted on Jan 02, 2017

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Interference viewsonic vg150


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My LCD monitor doesnot power on. There is a problem in the power circuitry and is there a replacement part for this. Part model no. written on the board is: FM-20A02/AAA/AAB


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May 24, 2010 | ViewSonic VG150 15" LCD Monitor

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"failure of "cold-cathode-fluorescent-lamp"


they can be repaired by an electronic tech but are cheaper buying a new one. The cost of new inverters range from 30-80$ USD. Viewsonics don't cost that much and now you can get 18.5 inch widw screen acer or other brand lcds for 89$.

i woudl really suggest just buying anew unit.

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Need tip size for viewsonic powere supply


insidecomputer_2070_4186448

Replacement Part Number: 1267-0526
Specs:
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  • Condition: New
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Sep 07, 2009 | ViewSonic VG151 15" Flat Panel LCD Monitor

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VG150 power switch defunct


There are tabs along the sides so you need to remove all screws and then use something like a screwdriver to pry it open... careful not to scuff the plastic. Anyhow the switch is probably fine and your main board is dead. There are several posts on the web about this issue, and mine had the same problem. Once I replaced the main board I found on ebay, it worked just fine.

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