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Viewsonic lcd tv is "power locked" N3752w won't turn off!?

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PRESS VOL+ AND MENU FROM THE TV FOR TWO SECONDS THAT WILL DO IT

Posted on Nov 08, 2009

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The tv won't power up. when the tv is plugged in it just flashes red for a sec and then goes off.


Weird, I've got the exact same problem. And mine also happened about 3 days ago.

Feb 07, 2011 | ViewSonic N3752w 37 in. LCD TV

2 Answers

Viewsonic N3752w LCD TV: plug in, red light goes on, press button and green goes on but then off before any picture; seems dead, no red light or green and nothing happens when press button again. If I...


We have the same problem with ours. I'm suspecting it's the power supply board. I'm going to order a new one, swap it. That should fix it, I suppose.

Oct 04, 2010 | ViewSonic N3752w 37 in. LCD TV

1 Answer

Viewsonic n3752w will not power up when I plug power cord in, but when power light goes green, if I press and hold any of the buttons on top of tv, (Enter, chan up or down, menu, vol up or down) it will...


You may have bad main logic board, http://www.shopjimmy.com/catalogsearch/result/?q=n3752

The back light is working for sure, you may want to check if the Power supply on signal goes to 5v when you push the power button.

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

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com

Jun 29, 2010 | ViewSonic N3752w 37 in. LCD TV

1 Answer

Hi just got a ViewSonic N3752w 37 in. LCD tv from a friend with a pretty banged up screen. It has several lines in the picture as well as some blackend screen. Any idea of whether it is repair able or how...


It sounds like the LCD panel is badly damaged, if that is the case, it will not be worth it, sceen is the most expensive part of the whole TV, you may be able to sell each parts of the TV on EBAY. Post the pictures of the screen will help.
Parts price: http://www.shopjimmy.com/catalogsearch/result/?q=ViewSonic+N3752w+

Dec 17, 2009 | ViewSonic N3752w 37 in. LCD TV

1 Answer

Red light on,press power on grenn light goes on


Have the main power supply checked out first, you only have standby 5v power supply working right now.

Oct 30, 2009 | ViewSonic N3752w 37 in. LCD TV

1 Answer

My Viewsonic N3751W 37-Inch LCD HDTV always shows 480p


your dvd is set to 480p. if it is a convertable dvd player set it to 1080i. the tv sets itsef to whatever the dvd player displays. if not all dvd is 480 to 720 p. blu ray will get you top notch 1080 display.

Jul 07, 2009 | ViewSonic N3752w 37 in. LCD TV

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