Question about Samsung LN-T4042H 40 in. LCD HDTV

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Samsung LN-T4042h won't turn on it just keeps clicking and the red light on the on/off switch flashes off and on each time you hear the clicks

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SOURCE: clicks on and off several times before staying on

The power supply will sense if the set is 'drawing' too much current and switch itself off. This could be the case here. The power supply board may eventually go completely bad.

Posted on Feb 23, 2009

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SOURCE: tv wont turn on

Mine was doing that then it quit even turning on too so I replaced the 4 Capacitors today on the power supply board that had bulged up on the top 3 had split open they where on the top right corner of the board where the ribbon jumps from the power board to the main board with ones from Jameco Part Number 606521 they worked perfect but make sure you put them in with the correct polarity easy to do just keep an eye on it. Very simple repair and took me about 30 min to take itapart solder on the new ones and put it back together all for under $10.

Posted on Jul 09, 2009

  • 1 Answer

SOURCE: Samsung LN-T4032H

This is the capicator $1.50. You have to take off the back, sauter off the capicator (you'll see it because it is poking out) and sauter on the new one. I found the fix on this web-site.

Posted on Oct 04, 2009

budmrtn
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SOURCE: Samsung LN-T-4042H the picture is flashing. How

Look for screen setup for AUTO ASPECT in the setup menu, turn it OFF.

Posted on Nov 07, 2009

vinnyq
  • 157 Answers

SOURCE: When I try to turn on my Samsung LN-T4042H LCD

There is a problem with the power supply in your TV. The regulator switch is causing teh clicking sound you hear. In order to fix it, you will need to replace the power supply. This is done by taking off the back cover of the TV, locating the power supply which is usually a yellow board that will have many high voltage capicators on it and replacing it with a new one.

Posted on Nov 11, 2009

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1 Answer

Samsung LN-T-4042H the picture is flashing. How


Look for screen setup for AUTO ASPECT in the setup menu, turn it OFF.

Nov 07, 2009 | Samsung LN-T4042H 40 in. LCD HDTV

1 Answer

When I try to turn on my Samsung LN-T4042H LCD HDTV it is now constantly clicking in a continuous loop and will not immediately turn on. It started out small- a few clicks yesterday morning. Today it...


There is a problem with the power supply in your TV. The regulator switch is causing teh clicking sound you hear. In order to fix it, you will need to replace the power supply. This is done by taking off the back cover of the TV, locating the power supply which is usually a yellow board that will have many high voltage capicators on it and replacing it with a new one.

Nov 06, 2009 | Samsung LN-T4042H 40 in. LCD HDTV

1 Answer

Samsung LN-T4042h to PS3 "Not Supported Mode"


i fixed it, on the PS3 u hold the power Button while holding then Switch the power button on on the back for like 10 sec and it resets the picture settings to default

Oct 24, 2009 | Samsung LN-T4042H 40 in. LCD HDTV

1 Answer

Samsung LN-T4032H


This is the capicator $1.50. You have to take off the back, sauter off the capicator (you'll see it because it is poking out) and sauter on the new one. I found the fix on this web-site.

Oct 01, 2009 | Samsung LN-T4061F 40 in. LCD HDTV

3 Answers

Power won't come on- constant clicking loop instead


My T.V. did the same thing and it was due to bad capacitors on the power supply board. the tops of the capacitors were bulged, once replaced it worked fine. It involves sodering in new capacitors total cost $30. that includes buying the sodering tool. Keep looking around on line someone had pictures step by step how to do it.

Mar 26, 2009 | Samsung LN-T4042H 40 in. LCD HDTV

1 Answer

Clicks on and off several times before staying on


The power supply will sense if the set is 'drawing' too much current and switch itself off. This could be the case here. The power supply board may eventually go completely bad.

Feb 23, 2009 | Samsung LN-T4042H 40 in. LCD HDTV

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