Question about Sony FD Trinitron WEGA KV-34HS420 34" TV
Blurred picture can be adjusted,and sometimes replacing of crt socket will solve the problem.
this is tricky so i've advice you to follow what i've said strictly.
Open the back cover of your set (make sure that you unpluged the unit first).
Look for the flyback transformer (it has a sunction cup connected to the picture tube).
You will see an adjustment knob on it, it mark focus but wait before touching,mark it with your pentel pen,marking the original location of the knob is important because that is the factory align.
After marking get an screw driver w rubber insulator as a handle to avoid an electric shock,this will be used to adjust the focus on the flyback knob.
Turn on the unit and hooked it up by your dvd player.
Play the dvd so that you will see a picture on the screen.
Pause it with a picture with characters.
Now you can see the blurred picture?
Try to adjust the focus on the flyback back and forth minimal turn only.
There's a reaction?Yes- continue to get a perfect picture and youre done.
There's a reaction?No- back the knob on its original position.
Your crt socket is faulty.
try some helped of your technician or people knowledgeable of disoldering and soldering technique.
Pull the board on the crt socket.the socket which attached to the tube is the one you are going to replaced. I've adviced you to observe first and familiarized what are going to dis-assemble because you will do the same when you replaced a new one.
After replacing your crt socket,picture ok?Yes-you're done
After replacing your crt socket,picture ok?no-picture tube is faulty.........
Posted on Jan 02, 2011
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Posted on Jan 02, 2017
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