Question about ViewSonic PJD7820HD DLP projector - 3D

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ViewSonic PJD7820HD red light power button

Does not function

Posted by Anonymous on

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Pls... did you resolved your problem?

Posted on Aug 24, 2014

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6ya6ya
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Posted on Jan 02, 2017

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My 4.4 dish network remote codes listed for viewsonic hdtv do not work,I have tried:507,551,562,566,575,583,600,752,760,796 ( 606would not program into remote)


Hi there TonyMichael, my name is Kimberly and I form part of the Social Media Department with DISH. It is my pleasure to assist you and provide you with information that can help program your remote to your television. The codes we have listed for a Viewsonic Tv to be programmed with a 4.4 IR/UHF Pro remote are: 566, 505, and 760.
I have listed the steps below to assist with programming the remote to your TV. If you have any other questions, let me know at kimberly.escobar@dish.com!

1.) Press and hold the clear TV button until all mode lights light up.
2.) Release and TV light will be blinking.
3.) Enter code and press #. The TV button should flash 3 times.
4.) Try functions (Volume, Power, etc..) and see if it is working.
5.) If no function, repeat steps 1-4 with another code.


Kimberly. Escobar
Social Media Representative
DISH L.L.C

Oct 11, 2013 | ViewSonic N2630w 26 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

Ok i been searching for a solution and i have gotton nothing....so i thought i would post my problem, i hope it can be answered. i have a viewsonic monitor and almost ever since i'v had this computer, the...


1) To unlock the monitor: http://www.fixya.com/support/r4554177-viewsonic_monitor_lock_unlock

2) I am not sure about the red light, are you taking about the power light or you are getting red tinting cast on the screen.

3) The monitor is old will more likely to have problem in the power supply by now due to bad caps and it can make the monitor act strangely. I am not sure what you mena by loos power cable.
http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VA721/

I would not suggest you to try to take it apart since there are high voltages inside that can kill you.

Sep 27, 2010 | ViewSonic VA721 17" LCD Monitor

2 Answers

Ok i have a viewsonic hdmi problem 27in red light blinking how to fix it


I have the same unit. Mine does not have audio, I'm told I need a Scaller Board (audio). Which cost $$$$.
I could use the stand if you part it out. Thanks

May 17, 2010 | ViewSonic N2751W 27 in. LCD Television

1 Answer

ViewSonic N3250w


The defective power supply module will cause the following symptoms:
No Display and no Sound, Then Power indicate light changes from Green to Red.
Turns OFF by itself.
Needs to be unplug to make it work.
Works for a few minutes then turns OFF.
I repair these power supplies, if you need further assistance jah2mil@hotmail.com

Aug 22, 2009 | ViewSonic N3250W Television

1 Answer

Hi, my remote control mute and power button do not function. Is there a trouble shooting solution, or do i need to buy another remote? I own a Viewsonic N2752w 27'' widescreen LCD TV


Yes , point it at your digital camera or video camera and
in the viewer you should see the remote blinking a blush white
light when you press any button . sound like the pads are
dirty ,and need to be opened and cleaned.

Jun 16, 2009 | ViewSonic N2750w 27 in. HD-Ready LCD...

1 Answer

I was playing my xbox 360 on my viewsonic tv and it just went off


From the symptoms it sounds like the TV requires an Inverter PCB.

This is the part that "lights" the screen.

I hope this helps.

Mar 28, 2009 | ViewSonic N3251w 32 in. LCD HDTV

2 Answers

Viewsonic N3251 doesn't turn on right away


Solution... Call viewsonic and **** till you get a new one (diff model). Good luck, you're going to be on hold forever.

Nov 15, 2007 | ViewSonic N3251w 32 in. LCD HDTV

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