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are 3 color cathode in your TV red,green,blue cathode.The red and blue cathode
might not working in your set that is why you have a green screen. Open
the back cover of your TV you can immediately see the 3 cathode lamp at
the back. Clean the lamp first using a clean clothe. Power up you tv and see whether the 3 lamps are lit. If lamps do not light up,check the circuit board where this lamp is
connected re-solder all the components in this lamp. There is also an
individual screen adjustment for the lamps it is located at the front
panel and labeled RGB screen...try this first and let me know how it
ok,,your problem is not on the lamp itself.,the problem is on your screen controller.the controller is connected on the plyback you can adjust the screen intensity of the red,green,blue cathode..on your screen adjustment.
My thoughts is that your High Voltage Divider has gone bad. Sony is a great server as they still continue to have parts for these TV's Be prepared for a fairly expensive repair. Blessings, A/V Media Tech Guy
Hello rivas_gab.Before I answeryour question let me explain a little how your tv works. You TV uses is a 3LCDtv that gets its picture from a lamp, the lamp produces a white light brighterthan the sun, the light goes through a square prism and is split 3 ways, eachgoing through a small LCD chip (blue, red & green). Then it travels troughthe light engine where the final picture is produced.The blue blobthat appears on the screen might be caused by one or two lcd chips that havestarted to get burn by the intense heat emitted from the light of the lamp. If that is theproblem you’ll have to replace the entire light engine, the other option isthat you buy the prism with the lcd chips, how ever that almost impossible becausenobody that I know sells them separately.If you decide tobuy, search buy part number, NOT model number, otherwise you’ll run the risk ofgetting non compatible parts.If you’re lookinga place to purchase look for dedicated tv part distributors (my personal recommendation:Discount-Merchant ). Happyhunting.
The are controls on the inside of the tv above the circuit boards for focus and to turn up intensity of the projector lamps (red, green, and blu). If you turn it up too far all three projector lamps kick off. If this happens, power off the set and turn down the lamp that you turned up. Power it back on and slowly turn the projector lamp up until the picture looks OK. You have to take off the panel on back of set to get to the controls.
the color which you see has problem i think you might be seeing white slanting lines also with this. it mainly due to
1 supply to green video supply
2 loose cuntact in g.video section
3 green tr. defective
4 ckt from ic to green input is defective
5 chroma ic defective if supply is ok.