Question about Toshiba 36A50 36" TV

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Toshiba 36A50 Horizontal Line in the middle

Over the last three months, the image slowly compressed from bottom and top. Earlier, I could leave the TV on for a few hours, and a full image would appear. Now there is only a 1-2" horizontal image going from left to right at the middle of the screen. What is my possible problems, possible soultions, can I get the part and repair, should I take it to a technician(cost). This set must weigh 300lbs!!!

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  • the problem is most common & simple to repair at your home only at minimum cost by skilled technician.
  • as per problem is concern it is due to electrolytic capacitor failure in vertical output stage.
  • hope this will help
  • good luck.

 

Posted on Oct 21, 2007

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Toshiba 36a50 i have problem just i turn off tv but turn on dont work tv only red light flexing only no sond on picture

Posted on Dec 21, 2009

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1 Answer

Rca 27v412t tv picture only in middle of sceen


It is the fault with some components related with its horizontal scan output section circuit. Just check the circuit part; and check the components I've marked in red here by its horizontal scan output circuit. Beware; you're going to touch the most dangerous part of its circuit. Keep it in mind always.

24780559-dmive0z32bcpzrsafcaw1enm-4-0.jpg If you wish to see the circuit diagram in full; visit
http://schematicscom.blogspot.com/

Jul 07, 2014 | Toshiba 36A50 36" TV

2 Answers

Toshiba, 36A50 picture is a thin white line. Can this be repaired?


Yes...this TV may be repaired. The line you describe is in the center and is horizontal across the TV. You will need to resolder the vertical IC pins. This vertical IC is mounted on a large heatsink. Under the board you will see there are 5 or 7 pins that will have rings around them. Resolder these. And you should replace two or three capacitors that are next to this IC. A bad cap will overheat an IC and separate the solder grounds. If you can find my expertise page on this website, you will see the repair in more detail. Thanks for asking and show a few hands of support.

Dec 12, 2010 | Toshiba 36A50 36" TV

2 Answers

Toshiba 36A50 TV Picture Failure. When turning on the tv only half of the screen is used. Only the verticle is affected. Horizontal is fine. As the tube warms up it covered the rest of the screen. Now it...


This is an easy repair if you've ever soldered and would not be too costly for a repair shop to do it for you. The problem is a bad Vertical Output IC (usually mounted on an aluminum heat sink with the part on it labeled LA78?? ) and 1 or 2 bad capacitors. Some times you can even fix the problem by re-soldering the contacts of the IC- To find the IC follow the 4 wires that come from the Yoke (which is a contained coil of wires slipped over the neck of the picture tube(s)) back to the board. 2 of the wires go to the horizontal o/p and 2 to the Vertical o/p the thinner gauge wires are for the vertical. Be sure to vote/rate me if this helped Thanks!

Oct 19, 2009 | Toshiba 36A50 36" TV

1 Answer

Only thin white line across my toshiba tv


This is an easy repair if you've ever soldered and would not be too costly for a repair shop to do it for you. The problem is a bad Vertical Output IC (usually mounted on an aluminum heat sink with the part on it labeled LA78?? ) and 1 or 2 bad capacitors. Some times you can even fix the problem by re-soldering the contacts of the IC- To find the IC follow the 4 wires that come from the Yoke (which is a contained coil of wires slipped over the neck of the picture tube(s)) back to the board. 2 of the wires go to the horizontal o/p and 2 to the Vertical o/p the thinner gauge wires are for the vertical.

Sep 28, 2009 | Toshiba 36A50 36" TV

1 Answer

Toshiba TV (about 7 years old)


You had parts in the vertical deflection circuit failing, most common are the vertical output IC and possibly several capacitors also in the same circuit.

Sep 11, 2009 | Toshiba 36A50 36" TV

1 Answer

Picture only in middle of screen


Sounds like vertical problems on your circuit board. Unless you have some electronics experience you'd better take it in for repair.

The inside of a tube TV contains high voltages even when off and unplugged.

GL

Oct 04, 2008 | Toshiba 36A50 36" TV

1 Answer

No picture only sound, Toshiba 36A 36" TV tube type


my friend if you open the tv carefully look to see if the tube itself has light, or if you have high voltage i coulbe many different things.wish luck!!



caypianan@yahoo.com

Aug 10, 2008 | Toshiba 36A50 36" TV

2 Answers

Toshiba 36A50 Horizontal Line


Ok, The vertical Ic is IC301 Ta8427K And Capacitors around IC chroma 2.2 uf 50 volts. You will see small red capacitor ( with C302....4 or 5 ) reference. Replaced others capacitors on vertical section 220 uf 35 V or 100uf 35V. I hope this can help you. Or if do you have any picture chasis, send to me and I will show you where are the problem., Thank you

Dec 12, 2007 | Toshiba 36A50 36" TV

1 Answer

Toshiba 36A50 - No Picture - Just Bright Line


THE PROBLEM IS IN VERTICAL OUTPUT CIRCUIT MAYBE DAMAGE SOLDER CRACKS

Jul 06, 2007 | Toshiba 36A50 36" TV

1 Answer

Toshiba 36A50 problem with horizontal lines at the bottom of TV...


you'll need to replace bad capacitors on the vertical circuit stage , no expensive but you need the basic knowledge, and the tools to do it your self , if not . you need a tech depend on the tech 60 to 80 dls a shop 125

Jun 10, 2007 | Toshiba 36A50 36" TV

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