Question about Sony FD Trinitron WEGA KV-21CL10 21" TV
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Posted on Jan 02, 2017
You have a vert sweep problem and unless you know how to trouble shoot this cuircit bring it to a pro. I found out mostly in these sets that the vert output IC is bad.. Also sometimes the b+ filter cap off the fly is leaky and made the IC to fail. Another thing is Im surprised to hear you got a pic with the vert failure and a bright line in the pic!! This could be a big problem when the sets fixed so dont run it too long like this. It could burn a line all the way across the screen and you will see a dark faint line in your pic because of this. BE CAREFULL!!
Posted on Mar 25, 2006
SOURCE: sony kv-32xbr400
Hi The problem is dry joints on the vertical output ic for sure(commen fault with sony),ime in the uk and 99% of the time i get a call about sony tv its allways switches itself off, caused by dry joints.
Posted on Mar 27, 2006
SOURCE: tv problems
It's called a loss of vertical deflection. In this particular model your set uses a TDA8172 for a vertical Ic, at board position Ic561.
Replacing that and check or replace the feed cap out in front as needed should restore full deflection. It's not an expensive fix for a qualified shop either.. But my advice is take it into them and save the pu/del charges. And call around to see if they have the Ic on-hand and about how much it will be to replace it before choosing the shop to take it to..
Let me know how it goes!
Posted on Nov 22, 2007
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