Today when I came into my computer room after waking up I turned my monitor on and for a few seconds it was find. Then after un-muting my speakers I turned around to see the monitor screen flicker and then go black. At first I though it was completely black but it was not, I could still see some of the image coming through but only barely on the right side of the screen. From the middle to the left you could not make out all but the brightest colors (barely) and white (a little more clearly then other bright colors). At first I tried lowering the brightness as I read that sometimes aging capacitors can **** out under load and need time to warm up in order to produce a brighter image. That did not work. I then came to the conclusion the back light was not on after turning the brightness to 100 and then in Catalyst Control Center changing the brightness there to 100 and the contrast to 200. The screen got no brighter but the white images on the screen became distorted from having the brightness and contrast so high. So I proceeded to open up the monitor after unplugging everything and now I have several pictures of the power circuit board. There is a thing, I do not know much about the boards themselves, that looks like it charred the area surrounding it. There are no blown capacitors though. I will link to a photo album on photo bucket with the images I took below: http://s15.photobucket.com/albums/a367/Geowil/Circuit%20Board%20for%20T240HD/ The monitor is only 2 years old. What I want to know is if I will have to replace this board or if something else may be wrong. Thanks!
Look like your monitor is gone bad on you. I am not sure if you can get the parts you need. I would get another monitor form a friend and see if your monitor is gone bad. if it is I would get me a replacement. in the long run you will save some money.
It was the inverter board that went bad. I talked with an expert on TV troubleshooting and based on my description about how the back lights went off, the monitor power light not longer came on, and based on the images I showed to him he deduced that it was the problem. Already ordered an inverter board from a manufacturer in China for 49 bucks. Not too bad considering on Ebay they were going for at least 59 x.X
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SOURCE: Broken LCD
To me it looks terrible and have no idea to repair it. I don't think you can fix it. How did get the screen broken? I used
to repair a monitor from Dell. The CCFL lamps inside are broken. My screen is still OK. I would suggest that a new screen is a better choice for you if you have enough budget.
Thank you
SOURCE: Gateway FPD2185 replacement parts Identification on Power board
Hello Rodger,
The parts are called capacitors, we carry them in our monitor service shop. If you can call me at 318-447-9040 or email [email protected] I can get you the information you need
Buddy
Corporate Computer
www.ccl-la.com
SOURCE: I have a samsung 913BM monitor that comes on for a
No caps with bulging top. The problem can also be bad inverter circuits or worst case will be the lamps. You need to look real close at the caps first, see example of bad caps and failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
Pictures?
SOURCE: Which power supply caps to replace?
I would suggest to use PANASONIC FM or FC series from DIGIKEY, they have low ESR, high ripple current capability, 105c rating. You should replace then as set per suggestion above.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
SOURCE: Samsung 920nw Turns on, warms up then goes off.
Yes, it can be bad lamp assemblies (see my bad backlight album) due to poor soldering works or just worn out. You need a set of spare lamp assemblies to find out if it is the lamps or the inverter circuits, the inverter goes into shutdown mode if there are short circuits, or the lamps are drawing too much current, or the lamps do not conduct after firing voltage is applied to the lamps. You can also have open/shorts winding of the inverter transformers. One thing about the caps are that they can look OK but have high ESR. One experiment you can do is to heat up the caps using hair dryer for about 3~4 minutes then plug the monitor to the outlet and see if the lamps will stay on.
Here is the service manuals, at least you can take some voltage measurements.
http://elektrotanya.com/?q=showresult&megnev=samsung&megnev2=920nw&kategoria=&kat2=all
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
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