Question about ViewSonic Optiquest Q9b 19" Flat Panel LCD Monitor
I had this problem with my Q9 and I was glad to find the FixYa website with help. But I will offer more detailed info for novices to make sure you find the capacitors. First of all, it is not easy trying to find out how to open the monitor up! First, set it down flat on it's face, being careful not to scratch the screen. Pop off the cap that covers the stand mount to the screen. You might also want to remove the base by squeezing the bottom tabs to the middle and pushing them out. Once the base cover is removed, you will see the 6 screws holding the base arm to the screen. Remove those and the arm will come off. Now, on the bottom right, there is a beveled slot where you can fit a flat bladded screw driver to start to snap open the case. Move around the case separating it carefully until it is completely un-snapped. Unplug the speaker cable (mine gave me some trouble but I worked it side to side and it finally let go). You can push the videop cable through the the back case to get the case out of the way. Once you have removed the back half of the case you will not immediately see the offending capacitors. You will need to remove 4 phillips screws holding down a metal shield on the power board. You may also have to remove some metal tape covering 2 of the screws. When the screws and tape are removed, you will need to slide the metal shield to the right to release it from a 3 pin connector that the two boards. Be careful that you don't damage that connector. Lift up on it a little and slide it left until the connector is disconnected. Now you can see the capacitors. I only had to replace the 3 bulging ones and that fixed my problem as well. Thanks all for your helpful comments in saving me money on a new monitor!!
Posted on Oct 26, 2009
Well... I took your advice and replaced the 3 capacitors that were "bloated" for my Opiquest Q9 monitor I bought off E-Bay and was very dim and making noises out the back... and so with spending about 4bucks at radio shack and then soldering the new capacitors on it now works perfectly!!! Saving me lots of money on buying a brand new one. This does work people!!!!
Posted on Aug 07, 2008
I must agree with everyone, the first thing i always look for when something is wierd with my monitor (besides if it is plugged in) is the capasitors, its so simple just to visually look at them and check if any look different, i would say that it would be because of your capasitors too.
Posted on Jul 16, 2009
Me too. Monitor was dim & squarkley-sounding during warmup. Then it went dark altogether. Replaced the 3 capacitors and it's working fine! Thanks.
Posted on May 10, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
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.
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