Question about Sanyo DS27930 27" TV

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Dark my tv is kind of dark i can still see everythin but nothing work i put all the settlin on high and still nothing

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  • Kathy5508 Mar 19, 2008

    I have the same problem, my screen is also going dark. I think my tv is only 2-3 years old. Hope you can help me figure out how to fix it.



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Getting old

Posted on Dec 14, 2007


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Hi, we have a ps3 we play Black Ops on. Its connected to a Sony Trinitron tv w/composite cables. Lately, the picture has been very hazy and dark, no bright colors like it used to be. Its hard to see where...

green sounds like a TV problem if persists with other games could be TV but im kinda thinking it is ingame settings occasionally updates can reset picture settings in the game i think for black ops it had some kind of adjust brightness until you can't see this object in background and sometimes it helps to go back and check that only other explanation would be you went to different resolution ex: 480, 720(hi def), 1080(highest high def)

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you know it sounds like the same problem i had....
look this is something you can try.... "turn the tv off and unplugg it!!!"'ll need to take out the lower front part of the tv......(where the speakers are to be exact) on each lower end you will find 2 screws..Be careful it will open to the side and there are many wires, i suggest you mark them to know where to put them back...then right in the middle there will be a black cover with about 5 screws..take them out....and look at the very bottom you'll see a thing with 6 pegs....the top ones are for the screen "DO NOT TOUCH THEM"...the ones on the bottom are for the adjust them...the left one it's for blue, the middle one it's for green and the last one it's for red...

I had the same problem after i moved....and after i re adjust that the tv looks super...
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Picture Dark, abnormal, Changing Color Temperature
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Make really sure before you sttart this process that the Tv has been unplugged for several hours and that you discharge the crt as you remove the anode. There is some extremely high voltage present for hours after the Tv has been off...
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I'm not sure how to help you with this one as the unit you describe does not match the one listed in the thread. You talk about a WTV1903 TV but a Sony KV-27S42 is listed. One thing is for sure no matter which model you have you should never exceed the manufacturers rating for the fuse (which is not meantioned). You stated that a 4 amp fuse (12V) blew so you put in a 5 amp. You never raise the fuse rating. Larger means more current draw and the possibility of a fire. First put the correct size fuse in. It should be listed on the circuit board or in your literature. If the picture is dark either the CRT is bad or the High Voltage or screen drive is low or both. The fact that it is blowing fuses indicates that something is not working properly. You need to check the CRT with a tester. If good, check the High Voltage for the correct value. If this is good you could have a partially shorted flyback. If you are not qualified to work on these circuits, (they are dangerous) have a qualified tech do it. Good luck and don't put larger fuses in in the future!

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