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My VG930M will not power it fixable - ViewSonic VG930m LCD Monitor

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In mine, there was a 1000 micro F capacitor in the power supply board that was damaged. You can tell which one it is by looking at their top. The bad one looks like it inflated and blew up.
I replaced it and it worked fine for 1 year so far.
The power supply is the one that is boxed in. You will need to remove the cover to acces the cap. I bought mine at Radio Shack for $1,59.
Good luck in taking it apart.

Posted on Dec 13, 2009


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Ok heres the deal i have 100 clients and they all had the same monitors VG930M one by one they are all going out one month it might be 3 monitors the other month it might be none but they are all the same...

This model and other Viewsonic monitors failed due to bad caps as you can see here:

You should get capacitor kits (do not get the caps from Radio Shack, they are not low ESR type):

Capacitors kit: he can make you a set of caps for you. He also has the video on how to replace bad caps.
Or just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

I hope you know how to solder and have all the needed tools.

Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures:
Learn about bad caps:

Sep 07, 2011 | ViewSonic VG930m LCD Monitor

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I got a vg930m veiwsonic monitor and i try playin music and doing other tasks and i get no sound out of the built in speakers do i need a audio cord to get sound or what do i do

Yes many monitors (with the exception of some HDMI connections) require a separate cable to connect audio to the built in speakers on the monitor. I hope this answers your question.

Mar 16, 2011 | ViewSonic VG930m LCD Monitor

1 Answer

What does no signal analog mean

It means your monitor has both analog and digital inputs and it is trying to use the analog one and not finding any signal. What kind of a connecting cable are you using, blue ends with 15 pins, or white ends with lots of pins and one long wide one on one end?

Feb 14, 2011 | ViewSonic VG930m LCD Monitor

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Power light is green but its screen is grey

The sreen gives out grey glowing screen only means that the T-CON board is not getting the 5 or 12vdc feeding it from the logic board, or blown fuse due to short circuits in the T-CON board, you need to troubleshoot it.

Basic LCD monitor troubleshooting guide:

Failed TV and Monitors:
Capacitors kit: he can make you a set of caps for you.
Please post back what you find.

Sep 29, 2010 | ViewSonic VG930m LCD Monitor

1 Answer

I get the following error "OUT OF RANGE" are there any steps to resolve this issue?

You need to set your PC video resolution to 1280x1024 for this monitor native resoluiton. Start up the the PC in safemode (hit f8 while booting up), set the PC resolution to 640 x 480, reboot, then reset the resolution to 1280x1024.

Feb 18, 2010 | ViewSonic VG930m LCD Monitor

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Blue Power light blinks on and off. no disply

The power supply is failing. One of the filter capacitors (1000 microfarad, 16 V, radial lead) has shorted and this kills the power supply. I have fixed 2 Viewsonic 930s by replacing the caps. However, if you do not know anything about electronics, please do not attempt replacing the capacitor. Installing the cap backwards will create additional problems. Also, the case is a bit of a bear to open.

Dec 14, 2009 | ViewSonic VG930m LCD Monitor

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VG930M-3 Taking base of this monitor...

After a chat with a Viewsonic tech and pulling out a lot of screws, this is what I discovered you have to do;

Find a secure place to turn your VG930M upside down, like on an armchair.

Undo the central screw on the base and remove the rotating black plastic plate.  Make sure you know which way it goes back on again.

Remove all the screws on the metal plate, something like eight around the circumference and another two which attach to the LCD support column. (You were never just going to pull that base off!).

Now for the tricky bit! The support column has two extensions that extend down into the base and click into position.  You have to get a flat blade screwdriver and push one of them towards the centre while trying to lift the base just a little away from the support column, so that it is unclipped.

Then you have to do the same with the other extension, while lifting the base a little. The base should now pop off.

Not as straight forward as some screens but achievable!
Good Luck!

Aug 25, 2008 | ViewSonic VP920b 19" LCD Monitor

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