Question about Televison & Video
We have a Sony WEGA Trinitron Color TV, Model KV24FV12, we have it connected to satellite, the picture has stated to go on and off, that is, we are watching TV and it will go black for a half second and come back on. This set is 7 years old. What is the problem? Get it fixed or buy another one?
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Posted on Jan 02, 2017
First thing that comes to mind is that the horizontal driver transformer has bad solder connections on the primary and the secondary windings. Also a set this old could also have a defective regulator IC if you dont know wht m saying , b=est thing to do is find out how much an estimate is then go back to best buy and see what a new set cost cause man you got your moneys worth outa this one for sure!!!!! Good Luck
Posted on May 02, 2006
sarge, it sounds like the vertical output IC went bad on you. If it was a bad connection or a bad capacitor, your picture would have been a straght line across the screen. They call the output section of the IC a push-pull type of amp, so the top half of the sweep IC went out. If you have had some soldering experience, and or experience with solid state repair, locating the bad IC and replacing it is no big deal. If you havent, stay safe and call in a pro to assist you in this repair, as there is alot of high voltage inside this puppy that is still present even if the set is unplugged. It should not cost an arm or a leg to repair this set. An honest repair on a set like this if you take it in should not exced 125 to 150 bucks. Good Luck PS Please dont forget to rate this thread.
Posted on Oct 22, 2006
This is a simple and common problem. The solder joints on the vertical output IC have cracked loose. I actually did a housecall on the exact same set with the exact same symptoms this morning! A good tech will resolder the pins of the vertical output IC and all other major solder joints on the main board and the set will play fine.
Posted on Sep 30, 2007
SOURCE: Sony FD Trinitron Wega
The power supply board is failing. There are twi integrated circuits in the horizontal drive circuitry that have to be replaced. The original integrated circuits are the same type and you will see written on each..."MCZ3001D" and need to be replaced with Sony # 670581001 or the "D" board with those parts on it needs to be replaced. The cost of the entire board is high-about $375.
Posted on Mar 01, 2008
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