Question about ViewSonic VX2835wm Monitor

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Do you know where I can get a power supply for a viewsonic vx2835wm?

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You can also get them by visiting Viewsonic's website at If they will not sell you one they will give you the number of the closest service facility that will sell you one.

Posted on Dec 17, 2010

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I was also looking for one and found it here

Posted on Nov 25, 2010


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Aug 04, 2014 | ViewSonic VX2835wm Monitor

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My power supply is bad where can i pick one up at in my area Phoenix Az

just google search the model number of the power supply.
I would go to ebay and look for it there.

May 19, 2011 | ViewSonic VX2835wm Monitor

1 Answer

When I plug in the power cord nothing happens. I press the power button and nothing seems to happen. I tried 3 different cords.

The power supply on lcd and other flat screen type monitors utilize a group of capacitors as a static pulse for the screen to bet is that one or more of those have's actually a common problem with flat screens. Most of them, those that won't power up anyways, have this exact same problem. If it's not that, then your power supply is burnt out, and if that's the case it may be cheaper to get a new monitor instead of trying to fix the old one.

Dec 13, 2010 | ViewSonic VX2835wm Monitor

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You will have to open it up and inspect the main AC fuse first, also need to look for bad caps with bulging/leaking tops-bottom.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed VIEWSONIC VX series monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor troubleshooting guide:

Learn about bad caps:

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

Dec 02, 2010 | ViewSonic VX2835wm Monitor

3 Answers

Viewsonic VX2835wm won't turn on. Did the usual troubleshooting but to no avail. I have two others that work just fine. Any suggestions? Thanks!

There are 2 boards/parts involved with this problem

a) The power supply board:

The main problem are 4 bad/defective capacitors
1. 22uf 400v
2. 47uf 50v
3. 1uf 100v
4. 22uf 35v

You can find them near the PWM IC controller (U601). Replaced all these capacitors regardless they look good. I pulled them out off the board and tested them with my Blue ESR and capacitor tester and found 3 were defective.

Next, you need at least 97% Isoprophyl alcohol and toothbrush to clean the soldering paste. Due to overheating on the primary section / HOT section the soldering leads tend to produce brownish paste which is causing the component parts to SHORT. Concentrate at the back of the board, especially at the U102 (16-pin IC) and Q202 transistor by scrubbing them carefully. I used magnifier to make sure the legs are clean and shiny. Clean the rest of the back and some part on top of the board. Let it dry for 2 hours at least. I did 2 times this cleaning to complete the process.

b) The Main Board

The main board has 2 bad capacitors at C124 and C126. I replaced them and cleaned also the board with alcohol.

That's it. Good Luck.

Roan Mac
Computer Tech
Chapel Hill, NC

Aug 13, 2010 | ViewSonic VX2835wm Monitor

3 Answers

I have a viewsonic VX2835wm and when i turn it on the screen turns on for a second and then goes black. How do i re-set the monitor?

In this model the capactors hardly ever dome or vent. Usually you will see the top of the labeling on the capacitor has shrunk a little from it's normal size. If the monitor still has any kind of power (which it does from your comment) you or someone you know can replace those capacitors on the output side of the supply. If you're lucky this will solve your problem. If not, you can always try replacing the four brown electrolytic capacitors on the inverter board (the long board on the left when viewing the monitor from the back). There is a chance this could be caused by the inverter board or even a bad backlight, however I would bet it's the power board. If you don't want to replace the capacitors or replacing them didn't solve the problem, contact Viewsonic at and get the price of a new power board. They are pretty easy to replace.

Mar 15, 2010 | ViewSonic VX2835wm Monitor

1 Answer

How do you take apart a vx2835WM Viewsonic monitor?

Very carefully. I only would do it after you have verified the warranty is expired per Viewsonic. If it is OOW, then you can call them for a service manual that contains schematics, troubleshooting flowcharts, etc.

Oct 28, 2009 | ViewSonic VX2835WM LCD TV

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