Question about ViewSonic VP920b 19" LCD Monitor

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VG930M-3 Taking base of this monitor...

How do i remove the base of the VG930M-3? I am trying to send it back in the box to be repaired. Please help ASAP. Thank you!

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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!

Posted on Sep 09, 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:
http://s807.photobucket.com/albums/yy352/budm/VIEWSONIC/Viewsonic%20VG930/

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

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you. He also has the video on how to replace bad caps.
Or www.digikey.com 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:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

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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.

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I found a manual here (has a few helpful diagrams): http://www.retrevo.com/support/Acer-X223W-Monitors-manual/id/23224ci553/t/2/

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My VG930M will not power up...is it fixable


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.

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How do you remove the outer case on Viewsonic VG930M-3 LCD


kauffman014, As far as opening the monitor up you may want to visit YOUTUBE and search for lcd monitor repair/ disassembling monitor/ or something like that. I did see a 9-11 min video there that was fairly good on un-snapping the rear cover from the front bezel of what I think was a DELL unit. Also visit electronicrepairguide.com run by a jestine yong. don't pay any attention to his ad to purchase repair course in lcd/fpd servicing!! only look at the pic's of the insides of lcd monitors and the power supply boards/inverter boards. On gateway's, and dell monitors the pedestal must be unscrewed from the rear cover first. The pedestal is really screwed down to the steel FPD chassis that covers the circuit boards and provides a ridgid mounting surface for the unit as a whole. Work on a flat surface with screen facing down on a blanket or lots of newspaper to prevent maring of the FPD!
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