Question about Sony KV-27S20 27" TV
When I turn the TV on the sound is OK but it does not have video. There is a blank light on one side of the screen, but disappear inmediatelly. Until last week ago I used to fix it and have video just by turning it off, wait some seconds and turn it on again. Some times worked after two or three times turning off, sometimes I had to turn off and on around ten times. I allways had to wait around at least five seconds to have video when working. After the video was on, the TV was fine in general, but sometimes when watching TV the video went off, I tried again by turning it off and come back to normality. All the time and also now the red timer light blinks. In the last weeks the video went off more frequently until it never turn on. I bought the TV aroung 6 years ago and I started to have the problem around 4 years ago. I took it twice to technicians when the video was off more frequently. In both cases they said that they did not find anything wrong, they cleaned, they moved the connections, and the TV started more stable for some weeks. One of them told that I had to change the Tube (??), but I understand the tube is still working , otherwise the video will never work. What do I do? I review the TV and nothing inside looks burned.
It definitely does not seem to be a problem with the Picture Tube. More like a cold solder. It is definitley not a job for a layman. Also, get a good technician to have a look, as locating cold solders is a labourous and time consuming process. It could also be possible that the main DC filter capacitor is getting dry, and may require replacement.
Posted on Aug 15, 2006
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