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Old 10-18-2008, 05:45 PM   #1
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Sony Parts


I guess I'm a Die hard?
I have been to this DIY many time about my sony Trinitron going black.
I thought I had this fixed in Jan. But it came back in Aug.
I took out the main board and really checked it out for cracks or hot spots using a light and a magnifying glass.
I found a splash of solder resting on a circuit track and thought I had found the problem.
But after a week "doom" came back Black out But I could click it right back on, it would last maybe an hour or even three hrs. If I drop something on the floor this would cause it to go black too? Hummmm.
So now I'm thinking to just order a new board.

But I don't know how to order the main power board?
This is the one right in front under the picture tube.
I can tap it and the set will go out, the sound remains good?
I have no schemitics,
It's a Sony mod. KV-32V65 Trinitron color serial 8018155

If I insert a new board does this require a new set requiring extrem tech. knowledge?

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Old 10-18-2008, 07:22 PM   #2
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Sony Parts


Deck Hand

When the picture goes out, does it go out snstantly, or just fade out? Also, when the picture goes out, can you see the filaments still lit in the picture tube neck? You may have a bad connection in the horiz. drive ckt. If this opens up, you will loose high voltage, and the picture tube filaments will also go out.

Post the model number, and let me take a look at the schematic on this one. Hate to see that you still have problems.

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Old 10-20-2008, 12:23 PM   #3
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Sony Parts


Bofus
Thanks , After looking at the board and all it intails to remove it and re aligne all the settings, I figures this is beyond my
small knowledge of TV's repairs. I have decided to just pitch the TV or give it to a repair shop for parts.
In Feb. we will purchase either a 40" LCD, Samsung or Panasonic. I hear they are two of the top brands.
These new type's of TV's have not road the long haul ( Ten year ) trial yet?
Also I have cable so a reg old type would work too, they are real cheep now.

Thanks for your in put.
I'm accepting in put on new Problems with the new tv's just in case?

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Old 10-31-2008, 07:23 PM   #4
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Deck Hand

I belong to another forum that only repair techs can join. The membership is over 700 TV techs from all over the country, as well as Canada. There is a running poll, asking when the first problems seem to occur with the flat-panel LCD sets. 67% say its within the 1-3 year period. They just don't seem to hold up like the old sets do. The brands you mentioned are good brands. If you can, you might want to consider an extended warranty, if its not too expensive.

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Old 11-02-2008, 04:50 PM   #5
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Originally Posted by bofusmosby View Post
Deck Hand

I belong to another forum that only repair techs can join. The membership is over 700 TV techs from all over the country, as well as Canada. There is a running poll, asking when the first problems seem to occur with the flat-panel LCD sets. 67% say its within the 1-3 year period. They just don't seem to hold up like the old sets do. The brands you mentioned are good brands. If you can, you might want to consider an extended warranty, if its not too expensive.

Bofus
Thanks
This is a big help > I may consider buying one of the older model's ?
They are less and I have cable , I'm old and probably won't see the differance in the picture anyway?
If I can find one??
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