Question about Sony KV-32V68 32" TV

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Sony Gurus! My set has sound, screen takes long to come on.

My KV-32V68 screen takes longer than usal to come on. VHS or DVD had same problems. The audio comes on right away. The red LED (power light) flashes anywhere from 7 (when TV is warm) to 30 when cold (overnight). I guess the number of blinks tells you what general areas to look at. The problem progressively got worse to where the screen was blinking on and off even when TV set was on for few hours (warmed-up), inaddition of picture color was phasing in and out with strong green hues. Tapping/slapping the set did not help. Took the back off to clean and inspect for loose connectors, cracked boards, leaking caps, etc. Didn't find anything. I did find a two adjustments ("Sharpness" on top screw and "Screen" on the bottom) on what looks like a transformer. I started to tweek the screen adjustment to the right and screen came on and stayed on, noticed that further adjustment to right made the picture contrast fade with green tint and with blue horizontal lines appearing towards the end. Adjusting to the left made the picture contrast darker and followed by total dark screen. Adjusted to happy place where picture wasn't going out (no problems for 2 days so far!). I'm sure there is something going out on this set as it take long tome for the screen to come on. Maybe some caps,power supply, or some board are going out? I'm guessing that whatever is going bad is not holding a charge like a Cap or inadiquate power supply to the caps? I did find the service code page but don't know the setting requirement as I don't have the serice manual for this set. This set has very nice picture quality and I would like to keep/fix it myself. I did see a repair kits (depending on the number of flashes) on-line but not sure if it's right for this problem. Everyone, including my wife is telling me to buy a new big screen HDTVs! I still want to fix this set, instead of dumping in the local landfill for $10 when the screen finally goes out! Please help with this repair! I have access to a nice PACE soldering station, and other electronic repair tool/equipment.

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Re: Sony Gurus! My set has sound, screen takes long to...

I will suggest you put the screen control back to where it was,the unit has a lot of loose conections in the power supply,horizontal driver transformer and possibly crt board,if you keep using it like this it will go dead completly and the repair will be more expensive,be safe and call a person who is qualified and get an estimate.

Posted on Sep 18, 2006

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