Intermittent video My grandmother's Sony KV-35S40 has a great picture but intermittently the video cuts out...just a black screen but the audio remains. To fix the problem you just have to turn the set off and then back on. Sometimes this works immediately and sometimes you have to wait several minutes. When you do the off/on thing you will hear a relay click inside if the video is to return but if you don't hear the click there will be no video. She has had a couple of shops look at it and charge her but they can't correct the problem.

Even though the pix is good when present, most "S" or "V"
Sony TV's have bad pix tubes.Check the date on the back of yours-is the date prior to 1999?........Then the tube is suspect.
From 1994 on, most common problems were bad connections,resulting in
power supply failures and vertical IC bad connects that just needed soldering.After thousands of successful Sony repairs, I
found that the 1 or 2 % that came back were "my fault" for
mistakenly using the wrong part.I make a good living saving TV's
from pre-mature burial and the first step is correct information to
evaluate-----perhaps that is why my customers keep coming
back to ask questions that get an experienced,logical answer!

These have multiple problems due to horrible design and poor assembly. You could probably hit or bump the thing and it would start to work, or fail if it is working. The trouble is loose connecions which are difficult to find. I can think of a better four letter word starting with "S" than "Sony" to describe their products. Perhaps the rhesus monkeys that put this together did not get enough crystal meth to keep them alert. Sometimes the IF module causes this, sometimes poor soldering on the main board can cause something similar. The causes are numerous. I cringe whenever someone brings me one of these and usually refuse the job unless it is a good customer who realizes that the problem is not my fault if it happens again. I think she has already suffered enough with this. Tell her to get an LCD TV with 1920X1080 resolution to replace it. I suggest Panasonic, Sharp, Sanyo, Funai, or Orion. Standard TV's are living on borrowed time anyway, so this is not as dire as it sounds.