Question about KDS 17S 17" Monitor
I was not the person using the monitor when it failed by just going to black. I own the computer, it was used by another person when it failed. I'm a retired,
engineer,but know nothing about LCD monitors. When I first used it there was was a color test pattern when it was turned on.
Several of these monitors I have repaired from green light "blinking" and also no light / black screen.
In many cases I found bad filter Caps after the switching regulator. The ratings seem insufficient to handle the convection cooling. I replaced C215, C209, C223, and C211 which are 25V 105C 470uF which are the primary filter for the switching regulator output I used , and I replaced C219 as well. When I replaced them I actually used a better rated 950uf capacitor laid on its side for space, since the C215, and C209 are in parallel as well as C209 and C223. All of these capacitors in both monitors were domed on inspection.
Posted on Dec 27, 2008
Am not sure what happened but I lost you in the Chat/Live Session. For a while I saw you typing a message ... and then it would appear that for some reason, the session was ended.
With your indulgence, I would post the additional steps:
Good luck and kind regards. Thank you for using FixYa.
Posted on Sep 30, 2008
Tips for a great answer:
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: 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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