Question about ViewSonic N2700W 27 in. HD-Ready LCD Television

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I have a viewsonic N2700W LCD FLAT SCREEN Monitor and the problem I am having. is it start up with no problem and a green lite the power switch stay a solid green. But the screen is very dark. if you turn off the room lite you can see the screen a little. enough to reset all display setting back to the factory defualt setting. that donot help and try too max the contrast and britness. NO CHANG. CAN YOU HELP ME WITH IS PROBLEM. Thank you N2700w screen flickers continuously.

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Posted on Jun 07, 2017


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Posted on Jan 02, 2017


SOURCE: I have a viewsonic N2700W LCD FLAT SCREEN Monitor

sometimes are dried capacitors and sometimes are ic transistor near the inversors

Posted on May 13, 2009

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N2700w how to replaced backlight or were can i find the replacement backlight part ??

You are unlikely to get help from Viewsonic, from my experience and from the 1000's of complaining former customers. Best source is finding the same model with a working backlight and some other problem, including a broken screen, as long as the backlight stays lite! Find out if it is the light or the inverter or a power supply issue first. Then out of 2 bad sets, make 1 working one.

Apr 02, 2010 | ViewSonic N2700W 27 in. HD-Ready LCD...

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Is there a backlight on viewsonic n2700w

Yes,every LCD TVS have one or two LCD inverter backlight boards.

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Need mannual for N2700w LCD TV

viewsonic .com support that is how i got my manual

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The n2700w has both a vga and dvi connection so depending on what type of output you have from you computer (which one of these) you hook up accordingly. You must be able to select the input type, coax cable for tv input, vga, or dvi. If you have the TV tuner on your 2700w, the coac cable connects to it. The tv tuner is a small box that resides under the removable panel on the back of unit where the other connectors are located.

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Screen goes blank within 1 second of being turned on

Bad capcitor in the psu would cause this to squel and even pop so have it looked at you be glad you did.

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Screen won't stay on

This is a common problem with LCD monitors after a few years of use. The capacitors in the power supply board start to fail and this prevents the monitor from starting up correctly. Sometimes you get a picture and then it goes black. On some units you can keep pressing the power button and after several power up cycles the monitor will work until you turn if off. These symptoms are all common with capacitor failure. The monitors are well out of warranty now so Viewsonic will not cover the repair cost. But the repair is very easy to do yourself. You just have to replace the 6 power filter capacitors on the power supply board. Here is a link to additional information on this repair.

I hope this helps, I have repaired over 30 of this model with the same issue.

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The same problem w/ my viewsonic E70 17" monitor.The viewmeter or viewmatch color on screen do not appear when power ON, although the green led power is ON.

But if you rest your monitor for about 10 hrs or more the viewmeter will appear when you power ON the monitor.

You can now start your CPU.

Remember : No viewmeter screen on monitor when power ON, means no supply coming out the picture tube or high voltage.

But if there is Viewmeter on screen , this normal and OK>

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You can email and provide your telephone number... he will call you to assist.

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