Question about Orion STV2763 27" TV

1 Answer

Orion TV, Model STV2763A

Hi,

I am trying to find some pointers for a possible repair to an Orion TV, Model number STV2763A. It has tiny white lines running across the top of the screen. Other than this annoyance, it has a perfect picture. Thanks in advance for any help you can provide.

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  • TV A-1 Jun 10, 2008

    Hi Jerry G.,



    Thanks for the response. I had previously fixed a JVC television with the same problem and was quite surprised to find that the chassis of the Orion was made by JVC as well. As the boards were very similar, I switched out the corresponding capacitor in the vertical section of the board in the Orion set that I had changed out on the JVC set. I also had to jumper a couple of components due to the "delicate" circuit board characteristics concerning breaks in circuit lines adjacent to the capacitor I changed. All has been well with the set for the past month.



    I have a Sony trinitron KV-27FS100 with the LEDs blinking four times in a row. Immediately after pressing the power button, the relay switch clicks and the error code is given.



    It appears as though there is a very small amount of powder residue at the front of the set, so I have to wonder whether liquid was spilled in the front of the set by the owner. One post mentioned possible shorting of the tacs in the front of the set due to cleaning solution running down the picture tube, which can then interfere with the CPU functioning properly.



    I have tried to change out the voltage regulator in the vertical section of the main board as this was suggested through another post; however, this didn't correct the problem.



    A third post suggested that the flyback transformer might be the culprit.



    Any suggestions on what might be causing this issue will be greatly appreciated as I hate to see televisions going to the landfills when they can be easily fixed.



    Thanks for the help!

  • Anonymous Jul 09, 2008

    white lines on tv screen

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  • Orion Master
  • 1,667 Answers

This is usually caused by some of the electrolytic capacitors in the vertical deflection amplifier and in the blanking circuit areas. Sometimes it can be some of the other types of components going slightly off specs.

To test the capacitors, an ESR meter or the equivelent is required.

I would suggest sending the TV out to have an experienced TV service tech do this type of work for you. These types of problems can get very involved. There are also some serious safety issues when working on a TV set.


Jerry G.



Posted on Jun 10, 2008

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Hii...

I'm absolutly have no idea whit thos tv set ( Orion ) but...your problem looks like mall function at the vertical circuits....can you see the ic or transistor nearst the FBT ? or you can type all the ic number/type and the Chassis of the tv set olso the Transistor around the Fly Back Transformer ?!

I hope it's can help you..
Hear from you soon


Thank's

[Vrya] be_cek@yahoo.com

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