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Panasonic Model#:CT27SF11S Chassis# : AEDP23A Thin Horizontal line and sometimes when tapped it comes back to normal

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4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: Picture goes to one thin horizontal line in middle of screen

There is a bad solder connection in the vertical sweep circuit. if you know how toi solder, go and find the vertical output IC and resolder that first.. but if you have no solid state electronic repair experience, please find a trained tech to assist you in this repair, as if you wait it may end up costing you double of what it would now, so haveit done ASAP. Good Luck Please do not forget to rate this one.

Posted on Oct 16, 2006

joust
  • 7 Answers

SOURCE: thin horizontal line

Thats almost definately bad solder connection. look at solder joints for cracks around teh lead. better yet, suck outold solder and put in new on any connections that have anything larger than a standard resistor lead. yoke plugs, tuner, etc

Posted on Jan 24, 2007

SOURCE: Thin Horizontal Line on TV screen

I had the same problem on a 36" Hitachi TV about 7 years old. After reading comments on this and other pages I went and bought a soldering iron not knowing what I was going to do with it.
After trying to find a loose connection with the power off- with no success, I then tried with the power on. Not the smartest move, but I was able to find the problem.
If you follow the colored wires (blue, green, red, yellow) from the back of the tube they will come together at a connector that plugs into a card at the bottom of the set. That connection was no secure. Since reseting that connection I have had the clearest picture since puchasing the TV new.
I am sure it is obvious that I don't have an electronics background, and I don't have an explaination as to why this worked. I just know it did. I hope this helps someone.

Posted on Sep 20, 2008

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This set was made in Mexico and Panasonic have HAD problems with dirty solder joints, "dry solder joints" as thay are called, expand and "open" with heat and age. Thay can "fix themself's" when the set is allowed to cool down or if you tap the joint back together. That is untill the set gets hot again and the joint expands and.........you get the picture?
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  • your problem is in the vertical output section as you have already mentioned that compressed down to 3 inch
  • if is is some times then you will have to check
  • loose contact in electrolytic capacitor in vertical output section
  •  it will be dry or some print cut must be there.you solder it.
  • it is best thing to replace all electrolytic capacitors in vertical output stage.they are hardly two or three.
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I tried this and it has worked temporarily by banging the monitor not great but it did work, no tech knowledge if there is any other advise please email.





Hiyama Monitor Model: Vision Master 17 (8617E Chassis)
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(John)

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