Question about Sony Standard (CRT) Televisions
Turn TV on. Set input to and open AV input. leave there for 10 or so minutes. Then turn to an AV input with a DVD connected and it will often play for the entire DVD. But turn the TV on and set to a channel input and the screen will go black within just a few seconds but the tv power is still on. If you are on a tv channel and ithe screen goes black,you can select another channel and the picture returns on the channel slected but then again goes black after a few seconds. Sometimes after leaving it on, and set to an open AV input for a while you can then select the antenna input and watch the channel for sometime and then it will go black until you select another channel & the picture returns but will not necessarily stay on.
I have a 2000ish 32 inch trinitron Wega and i have had the EXACT same problems as you have, except mine was blacking out more and more frequently, but yes if u changes the channel or hit return onto the same channel you're watchin the picture wil come back, but not very long, about the longest it'll show a steady picture is 1/2 hr, but it's usualy going black within every 10-15 mins or so.
I took it to a Sony approved/recommened repair shop and aftet having a look i was told it would cost $200 cd including taxes to replace a 'vacuum tube' or something like that, i wish i could be more specific anout the part. I'm still considering whether or not to go through with the repair. I might just buy a working/used newer Tube Flascreen with HD for another couple hundred dollars. If there was a newer 2003+ 32 or 36" Sony that has a good track record I would love to hear suggestions. I don' trust flat panels, way too mny horror stories, and for every 1 i hear about there's probably 10-20 more.I'll give them another 5 years or so to get their acts together.
On the other had, if i do decide to get my 32" wega fixed i will post the results and the exact pt numbers of the pts used i the repair. Your problem is exactly the same as mine, to the letter. I'm a mechanic by trade, but i have a good feeling they're not going to give me correct pt # until i have payed them to fix it. Or else i'd order the part and install it myself.
Posted on Dec 23, 2009
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snow basically is a symptom of weak signal.
as you say it becomes ok after 5 minutes or so there no question of any components gone wrong except loose or print intermittent
1 input weak like cable or antenna or loose wire from the source..
2 in tv antennae socket loose.
3 near tuner any thing loose or track loose.
4 cable wire might be old.
hope this will help.
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