Question about Computers & Internet
LG 500G Monitor in white screen
Sometimes it is simple, make sure the wiring behind the computer is not touching. Touching causes cross-talk in signals. Try it.
Posted on Jun 22, 2014
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Posted on Jan 02, 2017
1. LOT problem.
2. Horizontal transistor bad.
3. Dry points in neck board, horizontal section.
4. transformer output capacitors problem.
5. IRF 630 ( lot supply fet )
Posted on Nov 03, 2008
there could be two possibilties for that
1 That your serial cable is not working or have broken pin .
2 Another is that you monitors picture tube has got damaged or burnt.
Usually it is second reason it can be repaired but is more expencive so i would prefer buying new one.
Posted on Nov 08, 2009
your irf 630 is not original purchase it from proper LG authorised service centre it is costly but never become faulty again duplicate mosfet overheats if your green led is on then measure voltage at E.H.T.connect meter at output transister if E.H.T. is producing then meter should show 1 digit if not then 50v will show take care that signal cable should be disconnected if E.H.T. is not producing then check +vcc at horizontal ic it should be 12v. if 12v is not present then check regulator ic 7812 insmps
Posted on Mar 14, 2010
Testimonial: "thanks a lot :)"
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