Question about ViewSonic N3250W Television

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ViewSonic N3250w has black line

My N3250w has a black line coming from right upper corner. The best way to describe it is that it looks like some sort of black rubber gasket slipping out. Does anyone know if this is the case? Are there any recalls or other information on this problem? Thanks.

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Re: ViewSonic N3250w has black line

Unfortunately, my experience with LCDs says that when you see something like this, it usually indicates that the LCD screen is cracked. If you press gently in the area of deformity and it goes clear then returns to black when you remove pressure, it's a tell-tale sign of a cracked screen. Go to e-bay and see if you can get a replacement screen if you're mechanically up to changing it yourself, else an electronics repair shop might be your only hope.

Posted on Mar 08, 2008

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Viewsonic N3250w. Power supply went out and I replaced the bad capacitors. TV worked for a week then now when I turn it on, the screen just turns on and off

Check to see if the 24vdc disappear when the screen black out, it is always there then you have problem in the backlight inverter board. Did you replace the caps in the 24vdc supply also? I replace the whole set.

Capacitors kit: he can make you a set of caps for yo

Sep 05, 2010 | ViewSonic N3250W Television

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ViewSonic N3250W will not turn on

Do you get a red standby light at all? If not, I'd look first for the standby transformer as being defective. There may also be a fuse right by the AC power cord. Look around inside and update this with your results. Post whether or not there is a standby. We'll need to go step by step on this one.


Jul 03, 2008 | ViewSonic N3250W Television

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My television (viewsonic n3250w) started turning itself on and off from time to time and then much more frequently. Now the tv will not turn on at all. The light on the front of the tv comes on like normal...

You may ahve either the main logic board problem or the power supply module problem, look at the power supply first since it is easy to do without much tools needed, look at the DC filter caps fopr leaking/bulging tops (notes: cap can look OK but may have high ESR whcih you will need caps meter taht can measure ESR).

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:


Please post back what you find.

Jul 22, 2010 | ViewSonic N3250W Television

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Viewsonic N3250W- turns on, the screen flickers on then its black

This could be a problem with the tv's memory. Try resetting the TV. Unplug the unit for a few seconds (10-60). Then restore the TV to the factory default settings. Viewsonic has changed it's menus at intervals so you may have to check your manual. It may be Menu > Setup > Memory Recall or Menu > Options > Restore Default (or something slightly different). From there, click enter, use the right or left arrow to select YES, hit enter. Leave the menu system (Menu twice). Then hit Menu > Channels and rescan all channels.

An alternative cause of the problem may be a weak signal - check that your antenna is pointing right at the station and is the correct type to get the signal at the distance you are from the station. (Usually a weak signal would also have the audio breaking up but weird things can happen.)

I hope this helps.

Cindy Wells
(who recently had a channel pair that started out with flickering signal issues and then had one channel lose video and the other audio. The memory reset and rescan resolved the problem.)

Apr 24, 2010 | ViewSonic N3250W Television

1 Answer

Hi, Q7 in the power supply

the pin at one side is the base, et the other side top is colector and bottom emiter, looking the transistor face flat down.


Apr 01, 2010 | ViewSonic N3250W Television

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N3250W: Sound w/ no picture.

you may have a bad inverter board. check for 24volts to the board.

Dec 30, 2009 | ViewSonic N3250W Television

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Viewsonic N3250w no power

Look at the power supply first; look for burnt parts, bad capacitors, etc.
Please post back what you find

Dec 06, 2009 | ViewSonic N3250W Television

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N3250w fix

i didn't get a new board, but replaced the chip as described at the end of this website. tv is working fine.

check it out. if you want to replace the board, he has listed suppliers for that as well.

May 19, 2008 | ViewSonic N3250W Television

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