Recently brought a 37" tv it has horizontal lines intermitant. its connected exactly the same as my old tv and that was a perfect picture any ideas anyone ime beggining to think i should of kept my old tv i spent all that money for something thats not as good as my 8 year old tv
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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,
Sounds like you have a power supply filtering problem. Perhaps a filter capacitor is going bad. If your set has a switching power supply
oscillations from it are getting into the video.
You need to have a tech to check it out for you. You should get an estimate first before having it repaired.
Sounds like you need go this site, enter codes and re callibrate your TV to the settings.
If this does not work - then sounds like you need tv repair man replace caps or solder bad joint.
Miyan sung, former philips rep man, Korea.