Was using the monitor, suddenly the colors got brilliant (esp. the reds) and it died. a few days later it worked again, only for the same thing happening again. this time it didnt fix itself. nothing happens, not even the orange/green indicator comes on. i tested it with another power supply and it still wont power .up i have two of these and both power supplies work fine with the other LT765B
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Monitor power supply board have dead components parts call capactiors most likely.The power supply board that the board where the power a/c cord plug into it.U have all the tools and know basic electronic also can do basic soldering works?Yes,take it aparts and check the power supply board carefully and replaced all the dying or dead capacitors components capacitors parts,these dying capacitors parts dying are alway bulges and puffing up onto it tops.Replacing all the dying and dead capacitors that are having bulges or puffing up onto it tops,monitor will have red power light indicator LED light stable again and will stop blinking.The monitor will work again.
hope u r a professional..as u r handling chip-level repairing of monitor, knowing itz hazardous n dangerous..
however, check thoroughly for dry soulderings..(esp. at the crt base)..[this chance is maximum].. see if the base is loose or faulty.. yes, it can b the 'chroma ic'..but don't ignore the associated components..(esp around the base).. check video amplifier n sub section.. the colour diodes, transistors n resistances at the base..
for better supervision contact ur system admin/vendor....
Amazingly enough my monitor did the same thing and while looking for the serial number the problem got resolved. Since I don't know exactly how it got fixed I will tell you what I did. I turned the monitor off, removed the power cord from the unit, turned the surge protector off and back on, placed the monitor face down on my chair to read the serial number, reconnected the power cord and turned the unit back on. The problem was fixed. Go figure.