Problem - powers on - no sound pic is all green. change channels and it goes all blue - sometimes lines show up - when a dvd player is attached - same thing - my email is [email protected] - I am in Cleve. Ohio
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Re: 43" sony - model no. kf42we(g or 6 ) ? 10
KF-42WE610.....Probable bad Optical block assy..Contact
Auth.Sony Servicecenter...press for warranty as part is expensive = Optical block assy. at cost about 750.00 + 600.00 core charge....................................T.
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All projection TV sets have two very common problems. One is convergence ( 3D/Warped video or dead set) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.
Common Problem #1) Convergence has gone out
Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. In some cases the TV will also not show any video. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.
This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.
Common Symptoms include....
Screen looks 3D, wavy, or has a shadow or shadows
Colors don't line up
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed or warped.
TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.
You can get the correct parts, step by step photo instruction guides, and support from www.TvRepairKits.com or click here
Common Problem #2) CRT Fluid is Cloudy
Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.
I suspect you MAY have a severe ground loop. The green light indicates channel crossover if nothing plugged in.
MAKE SURE ALL connected equipment is powered from the SAME receptacle. If you service amps from receptacles at one end of the room and this board from the other end, you are ASKING for trouble.
Read up on "common mode" as it pertains to balanced lines. Equipment can be at risk if grounds "bounce" as they often do.
When green light with no inout shows up, slide all faders down first. Then unplug input lines one at a time... turn off the amps and then unplug the output lines one at a time. See if one of these inout or output lines was causing the green light.
You should be using BALANCED lines to your amps... either XLR or TRS types at both ends.
It has been my experience with Sonys that those three colored lines indicate that the set is having trouble with the data communication lines. The hitch is that a model as complex as that one has as many as five seperate clock/data lines and if any one of them goes down the set will exhibit your symptom. It will take a professional to track down which line is causing the problem. I've seen audio output IC's as well as tuners cause the problem.
when you say flickering??? are you saying the screen goes black and comes back on?? does the sound go out at the same time and comes bag on with the pic ? Is the sound there when this happens but is distorted. Is the pic blacked out or is it greying out with lines and twisting?? Need more info please as if its blacking out and the sound goes with it it may be going into shutdown. If the pic is getting kinda greyish with it twisting and the sound is there and ditorted then the tuner could be bad