Question about Samsung TXJ2879 28" TV

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Intermittent vertical The problem is the TV vertically collapses intermittently. It seems to get better when it warms up but I am not sure about that.

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Find the vertical IC and just resolder all the pins and adjacent component pins. This will fix the problem, this is the result of a dried out solder joints.

Posted on Jan 23, 2008


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Toshiba 27af45

What do mean by the vertical going up and down. Do you mean that the picture collapses to a vertical line then is good, then back to a line? If so then you have an intermittent/cracked solder joint at the vertical output IC. If you have no experience in soldering, then please have it repaired by a service center.

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seems like a lose ground issue from the vertical scan board which usually causes this problem. A scan board repair or replacement should fix this intermittent problem.....take it too your local repair shop before this problems spreads and the tv totally shuts down....

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Look for dry joints very carefully in the vertical circuitry, IC and the power supply

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if i had known i would have to pay for an answer i wouldn't have taken up your time. seems like everybody is jumping on the greed wagon. good luck with your website.

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Good Day, sdkhanmd; Replace C2P05 100 UFD 16 VOLT off pin 3 IC2P01 and IC2P01 part #270P466020 (9 volt regulator). Both are on the signal PCB. Also, check other caps in area for leakage. Hope this was helpful, this common for this model. Good Luck, big IRISH.

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PANASONIC PV-C2540 Intermittant PROBLEM, picure is reduced to left to right vertical line. SEEMS TO WORK FINE WHEN SET HEATS UP?

Dec 22, 2007 | Televison & Video

1 Answer

TV dropped

That's still repairable here some tips need to consider as follow:

1) Intermittent loss of syncronisation, both horizontal and vertical
The surface mounted power transistor on the teletext module requires resoldering. As there is evidence of scorching on the board the use of a more substantial component would be indicated perhaps with small heatsink
2) Picture displaced vertically, picture too high or low
This problem was cured by entering the service mode (menu then 4,7,2,5), then pressing the green fastext button to access geometry settings, selecting VP1 (vertical position) and adjusting as necessary
3) Vertical line at the left of the picture
Replace L506 on A board, replacement part number 1-407-366-00
4) Problems with screen size
Look out for 2 x 2.2uF electrolytics (sometimes red in color)
5) Vertical height oversize
The eprom was found to be faulty (nvm)

Please let me know any update.

Nov 28, 2007 | RCA F27676BC TV

2 Answers

Sharp 27G-S60 no vertical picture

your problem is due to vertical section failure.


 as you say it was intermittent for a while, but now is permanent

please check the followings as given

  • remember you should keep brightness as low as possible to avoid crt burn.
  • there might be loose contact in print or connector loose for deflection coil.
  • check supply to vertical output section
  • check components in vertical output section like electrolytic capacitors & low value resistirs.
  • check verical outout ic .
  • hope this will help
  • good luck.




Oct 13, 2007 | Sharp 27G-S60 TV

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