Question about Samsung LN-S4051D 40 in. LCD Television

1 Answer

SAMSUNG LE37A686M1F 37" LCD TV not switching on

The TV will not switch on, when plugged into the mains its standby light comes on but if you press on the light flashes a few times and then nothing happens. I have read this could be a capacitor issue with the power board any body agree or have any other ideas of what the issue might be and a potential fix ?

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  • Samsung Master
  • 8,617 Answers

Souds like the power supply and or capacitors. Just check for signs of puufing up on ttop the caps should be perfectly flat on top.

Posted on Apr 05, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 257 Answers

SOURCE: Samsung LN-T2632H won't turn on.

Follow these steps to figure out what problem is.
When you turn on TV, look at the back and see if the back light on. If it is on, the power supply and inverter work fine. The suspection now is main board and T-con board (the small board on the middle-top of the panel)
To find the problem from the main board or not. Look at the power supply and measure Vs on - turn on the TV, this approx 5 vlt DC needs constant once you turn on the TV. If it is drop or unstable - main board problem - replace it.
If Vs on is good - disconnect the T-con cable from the power sup. If power sup stop clicking - T-con need replacing. Hope it help.

Posted on Aug 13, 2009

  • 1 Answer

SOURCE: samsung tv LE32R74BD standby light on but wont turn on

samsung tv le32r74bd had tv on standby and wont turn on,it is stuck on standby please can you solve this

Posted on Nov 24, 2008

  • 610 Answers

SOURCE: LE40556P lcd samsung. Screen will not switch on.

usually you can see the tops of one or more capacitors bulged up when the power supply board has failed. VERY common on Samsungs.

Posted on Nov 18, 2009

  • 927 Answers

SOURCE: Which Replacement Power Board for LNT4665F Samsung LCD TV?

Howdy,
It would be a lot cheaper if you just replace the two caps that have gone bad. Just get a cheap solder pencil from the store and about an inch of solder and you are in business.
The Power Supply Board is the center Board (towards left) after you remove the back off the TV. Remove Board from TV with the 6-7 screws. Replace capacitors CM852 & CM853; 2200ufd 25volts.

Thaks for using FIXYA, BIG IRISH.

Posted on Jan 02, 2010

budmrtn
  • 11361 Answers

SOURCE: TV WONT SWITCH ON LE26A456C2D standby light blinks

Please read my giude then you may understand more as to what it takes to make the TV functions.
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Please leave rating if it helps.

Posted on Mar 06, 2011

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