I want to repair my dead monitor. Can somebody help me and explain how to remove the back cover to access the electronic board of Viewsonic LCD Monitor Model VG 700. Thanks

emtv_satc852, First visit YOUTUBE and watch some of them being pried apart at their perimeters around the four edges. That's how most of them are opened. Some people use an old CD or DVD disk, while some use thin blade screwdrivers. Try "lcd monitor disassembly" or "lcd monitor repair" on YOUTUBE. Good luck. Hope this helped. 12fixlouie

The problem you have sounds like the inverter board has failed it can be repaired by replacing the inverter board which may be a cheaper option than buying a whole new monitor, you can do a search online for lcd repairs and spares to find the part you looking just state your make and model and price one up.

But before you do do that, and you feel confident that you could take the back cover off the monitor, you could have a look for blown capacitors, they are quite a comman fault in lcd monitors, once the back cover is off check the power supply board, it will be where the power cord plugs into the monitor, The capaciters are barrel like in shape with silver tops, check for any leakage from them or on the board surrounding the capacitors, also make sure they are fully flat at the top, if they are slightly domed or pretruded they will need to changed. post back your findings if you do find any bad caps ill will try to explain how to get the right ones and what do to. cheers.

This would be a problem with the voltage transformer (power supply) or a loose wire.

gregmclure1, Most rear covers kind of snap-apart from the front plastic bezel. need to remove pedestal first. Best thing to do ,go visit YOUTUBE view typical "LCD monitor disassembly" and or "LCD monitor repair" videos FYI. PROTECT THE LCD PANEL AT ALL TIMES!! You may even find a video of someone working on a VIEWSONIC monitor. Hope this helps. If it does, then rate this on fixya.
12fixlouie
ps What will you be working on once the back is removed? Do you know what to look for?

Hello,

The domed capacitors are the cause of your power issues. If you replace them you should be back going again. If you are interested we do offer a repair service for $30.00 pus return shipping to repair your monitor.

I have repaired several Viewsonic VX800 monitors. The symptoms include a power light that flickers or flashed on and off or a screen that flashes on briefly or stays off. The problem is bad electrolytic capacitors on the power supply board. These bad capacitors do not look bad and do not swell but they do develop a high ESR (Equivalent Series Resistance). You need a ESR meter to check them. But if you have these problems, you should assume the capacitors are bad and just go ahead and replace them.
First you must open the monitor and gain access to the power supply board.
1. Remove the stand: It is held with 6 screws on the back. Also on the back are 2 black screws that must also be removed.
2. Remove the button bar from the front, bottom: It is pried off. This will expose the 2 screws holding the front plastic bezel.
3. Remove the silver plastic bezel from the front: First remove the 2 screws holding it, then you can pry the rest off. This will expose the 2 screws holding the screen to the plastic back.
4. Remove the screen and electronics from the plastic back: Remove the 2 screws holding it. The 2 speakers are glued to the plastic case. Cut the glue with a knife. The screen and electronics and speakers should lift out of the plastic back.
5. Remove the metal cover to expose the electronics: There are 2 screws holding the VGA connector and 2 screws holding the DMI connector. There are 9 screws holding the cover. These must all be removed. There is a black plastic sheet glued to the lower edge of the cover. It must be lifted. The cover should now come off.
6. Replace the bad capacitors. The power supply and signal processor are on the same board. It is marked VG800-2. The bad capacitors are surfaced mounted 100UF 25V. The bad capacitors are CM16, CM17, CM2 and CM165. The two most critical are CM16 and CM17, but they all read high ESR, so I just replace them all as long as I have them exposed.
Reassemble in reverse order.

If the power supply is not wqrking then it is the invertor unit that has dies.
Replace the monitor is the best advice- If it that recent out of warranty may be worth contacting 'viewsonic to see if they will discount you one.

this instructable might help http://www.instructables.com/id/How-to-repair-a-Westinghouse-L1975NW-19quot-LCD-/

the dac 19m009 is supposed to simular to the dac 19m005, which is repaired in the instructable.

Your backlight may be going bad, or the small controller board may be going bad also. You will have to contact ViewSonic for prices. It is not that difficult to change them out.

I have repaired several Viewsonic VX800 monitors. The symptoms include a power light that flickers or flashed on and off or a screen that flashes on briefly or stays off. The problem is bad electrolytic capacitors on the power supply board. These bad capacitors do not look bad and do not swell but they do develop a high ESR (Equivalent Series Resistance). You need a ESR meter to check them. But if you have these problems, you should assume the capacitors are bad and just go ahead and replace them.
First you must open the monitor and gain access to the power supply board.
1. Remove the stand: It is held with 6 screws on the back. Also on the back are 2 black screws that must also be removed.
2. Remove the button bar from the front, bottom: It is pried off. This will expose the 2 screws holding the front plastic bezel.
3. Remove the silver plastic bezel from the front: First remove the 2 screws holding it, then you can pry the rest off. This will expose the 2 screws holding the screen to the plastic back.
4. Remove the screen and electronics from the plastic back: Remove the 2 screws holding it. The 2 speakers are glued to the plastic case. Cut the glue with a knife. The screen and electronics and speakers should lift out of the plastic back.
5. Remove the metal cover to expose the electronics: There are 2 screws holding the VGA connector and 2 screws holding the DMI connector. There are 9 screws holding the cover. These must all be removed. There is a black plastic sheet glued to the lower edge of the cover. It must be lifted. The cover should now come off.
6. Replace the bad capacitors. The power supply and signal processor are on the same board. It is marked VG800-2. The bad capacitors are surfaced mounted 100UF 25V. The bad capacitors are CM16, CM17, CM2 and CM165. The two most critical are CM16 and CM17, but they all read high ESR, so I just replace them all as long as I have them exposed.
Reassemble in reverse order.