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Hisense TV Stations come on fine then light blue horizontal lines flicker for a few seconds then screen goes back to normal. this is continuous

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6 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

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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

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SOURCE: Flickering blue picture

I finally got around to dismantling the TV. This is no mean task. The chassis is tethered to the rest of the set my over a dozen wiring harnesses and a few of these cannot be disconnected near the chassis but instead require removing the “right support” near the air duct and taking the shield off the lamp ballast. Once the chassis assembly is out, it is a further significant task to disassemble it to get at the various PWBs (POWER, FMT and DM) having the suspect caps. I’m sure reassembling everything will be a fun job!

I have not yet had a chance to fix and reassemble but I wanted to post this no as I’m not sure when I will get around to it.

I did find six of the fourteen known-problem caps to be visibly bulging -- both 3300s and two of the four 1000s on the PWR PWB plus two of the four 1000s on the FMT PWB (see photos below). Ironically of the four 1000s on the DM PWB, which I have heard are the most common to go bad, were bulging and I considered skipping these as the DM it is the toughest board to extricate from the chassis, however I figured I had come this far and I would just as soon replace all twelve 1000 uFs as the parts cost $0.23 and I really never want to have to do this again.

If I had to bet, the two 10V 3300uF caps on POWER board, which were actually leaking black goo, are the actual culprits, but with four of the 1000 uFs also bulging it is probable only a matter of time until they failed as well.

Here is the POWER PWB with the known-problem caps (C9A37, C9A38, C9A51, C9A52, C9A61 and C9A62) highlighted:
a99678f.jpg
here's the FMT PWB with the known-problem caps (C8F19, C8F21, C8F22 and C8F27) highlighted:
7826ab5.jpg

and the DM PWB with the known-problem caps (C81A2, C81A3, C81B3 and C81B4) highlighted:
a158dce.jpg
Here are close-ups of the bulging caps (C9A37, C9A38, C9A52 and C9A62) on the POWER PWB:
bb3e69c.jpg
76dcd23.jpg
9e2c246.jpg
And here are close-ups of the bulging caps (C8F19 and C8F27) on the FMT PWB:
55cd11f.jpg
1a03490.jpg

Posted on Feb 16, 2008

  • 60 Answers

SOURCE: My tv screen keeps flickering on and off

  1. Need Model # of set and the brand so I know if its a plasma, LCD, or CRT set keep me posted

Posted on Aug 23, 2009

  • 1 Answer

SOURCE: screen flickers and goes black on my samsung R700

I have found the problem with my r700 screen flick. If you hold the sides of the screen and pinch them it brightens which is a loose conection. This is a fault witht he design. You may notice that its quiet stiff to open the R700 screen and this puts stress on it. seeing most people open from the centre this bends the edges causing a loose conection.
You need to take out the LCD and check all conections are all in ok. Then make sure the LCD is firmly in place before putting back together and tight.
Mine is now working like when i bought it.
HAPPY DAYS !!!!!

Posted on Nov 13, 2009

  • 4090 Answers

SOURCE: Hisense tv turns on and off

STOP!

The unit has a fault on its power board and sustain board.
It turns off because the sensor is preventing some component from bacoming overheated and catching fire or damaging further components. Seel professional repair.

Please rate my help++++Thanks for using FIXYA

Posted on May 13, 2010

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1 Answer

LG TV Flickering horizontal lines


The TCON board or the LCD panel is faulty. Can confirm By replacing the TCON board
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

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Horizontal lines LED hisense tv


If your LCD TV or monitor has stopped working, or is displaying one of the following
symptoms, then it's a candidate for some new capacitors
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- Dim screen
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The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can
examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life
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Take it to a repair shop.

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The problem must be with its main digital processor board. It will be best to make it confirm. Contact any service technician. Try this link. http://electronicshelponline.blogspot.com/ There are more than two thousand and four hundred posts. All are related to television and other domestic electronic equipment service help.

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1 Answer

Vertical lines showing up after being on for awhile


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The problem with these poorly made (in my view) sets is they are made in China and the company there has gone out of business by my count 2 times---they make poor sets for export and no parts or service literature so when you replace it consider another brand and something worth being repaired.

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Have a 50fx48b Hitachi TV, screen flickers, gets wavy and goes to horizontal line, smack top of tv and it goes back to normal.


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Hi, We have a 42" hslc10668phz


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4 Answers

Hisense tv turns on and off


STOP!

The unit has a fault on its power board and sustain board.
It turns off because the sensor is preventing some component from bacoming overheated and catching fire or damaging further components. Seel professional repair.

Please rate my help++++Thanks for using FIXYA

May 13, 2010 | Hisense TL1700 17 in. LCD Television

1 Answer

White horizontal lines flicker and screen goes off.


check the wiring inside the monitor, pull the sceen out and move the wires with the screen on so you can see when it's working. then tape the wires where it works.

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