Have a KV-36XBR400 since 2001. works great until recently. Picture is clear on start up, then after first minute, picture is fragmented into multiple horizontal lines overlapping in center of screen. like horizontal/vertical hold is not right.
If left on, about 30-45 minutes it clears itself up, or a little vibration (swift bang to top of set) seems to clear it up temporarily.
Once picture is clear, it mostly stays that way until turned off. Some days it works, others it doesn't
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Sorry to hear you are having problems with your Sony TV. The problem you are describing is a pretty common one being the slow collapse of the vertical circuit. This tv is know for having bad solder connections and the picture tube developing an internal short. Luckily for you it is a problem with cold solder joints, and when you straightened up the components, you temporarily made a good connection.
You need to get someone to re-solder any and all bad /cold solder joints especially around the vertical circuit area making sure no solder bridges are formed during the process. Make the tv is unplugged before starting to do the repairs!
I would look for intermitent solder connections on the small horizonal driver transformer as well as other HV Componets.(HV Transformer etc.) Also solder up the Vetical output IC. These have been common causes of failures. I would not use the set until these have been checked and soldered. If you don't, a massive failure of the hoizonal circuit and powersupply will occur.
Hope this helps,
Due to vertical section failure horizontal line apprears. You did not mention about picture. Green horizontal line means with picture or without picture. With picture means there is some leakage. Without picture only singe horizontal line means vertical section totally not working. Particularly green horizontal line means maybe leads to jungle ic failure. Please mention your simptom clearly what you get and what you will not get both video and audio. It will be helpful to answer. Based on your question this is my small information.