Question about ViewSonic VP930b 19" LCD Monitor

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My monitor dont come on, and green light flashng, viewsonic vp930b.

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If your ViewSonic LCD monitor has stopped working with a blinking green power button, It typically means that there is one or more failed capacitors in the monitor. It would be best to send the monitor in to Viewsonic for service or to purchase a new monitor.

Posted on Mar 12, 2011


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Hi My VP930b has ared tint on DVI and on D-sub 1 and 2 tried an other computer,cables,reset ect.

A red/pink streaks or tint is a indication that the CCFL lamp about to fail. The CCFL lamp is a mini fluro tube. The wires on existing CCFL lamp requires unsoldering and the new CCFL lamp soldered back on to these wires.
Replacement CCFL lamps for your model monitor are available from this WEB site.

Jul 11, 2011 | ViewSonic VP930b 19" LCD Monitor

1 Answer

My viewsonic vp930b monitor will not power on

Check the main AC fuse, also look for bad caps (bulging top/seal) in the power supply, see example of failed Viewsonic monitors due to bad caps:
Post back what you see inside so we can guide you further.

Mar 14, 2010 | Computers & Internet

2 Answers

Viewsonic VP930b color problem - Red tint

Go to the setup menu on the LCD panel by pressing button 1 on the front. See if there is an option to reset the lcd to factory settings. Reset it and report if it helps not.

Jul 29, 2009 | ViewSonic VP930b 19" LCD Monitor

2 Answers

30 bad VP930B's may have green LED for an instant that's it. No display either.

Yes this is a very common problem on the VP930b. The fault is with the crappy CapXon capacitors (worst in the industry). As mentioned above, replace the 220uF@25V and 1000uF@16V capacitors. The other two never go bad. Make sure you replace the four above even if they look good. I would recommend using 35V and 25V respectively.

Note, if your monitor serial number starts with Q8H you may have a bad IC on the main board. Q8 often goes bad a few months after the capacitors do. If they are warranty they will have to be sent to Viewsonic or a local authorized service center.
If not warranty, you can solder a wire from the 3 pins on the left side of the IC to the four pins on the right side. One pin on the left side is the on/off pin for this IC and should be left alone. This will bypass the IC allowing +5V to the LCD all the time. However, if the monitor ever shows scrambled graphics after turning it on then turn it off using the main power switch in the back and turn it back on, it should be fine.

Sep 10, 2008 | ViewSonic VP930b 19" LCD Monitor

1 Answer

Viewsonic vp930b-3

MY VP930b has the same problem.
It takes a very long time (5-10 minutes) before it becomes normal.

Aug 04, 2008 | ViewSonic VP920b 19" LCD Monitor

6 Answers

Viewsonic vp930b-3

Just as an FYI I have had the same problem with two of these units. Both purchased at the same time. First one went and would not come out of standby for a long period of time, then would not display on boot up. About 3 months after the first one started having the problem the second one was doing the same. Upon taking apart the second one I noticed two capacitors (250 micro farad, 25 volts) on the power supply at the connector going to the main board had a bulge. I decided to take the first monitor apart as well and the same two capacitors had problems. I replaced these with new capacitors and both monitors are now working like new. So in this case it was a power supply issue not allowing the monitors to wake up. This makes some sense since the problem started slowly at first then got worse and worse over time until there was no display no matter how long I waited. Since both were out of warranty I had nothing to lose. Hope this helps.

Jul 17, 2008 | ViewSonic VX2235wm LCD Monitor

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