Question about Samsung LE26R74BDX 26 in. HD-Ready LCD Television

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Samsung television cannot change program up or down.

Samsung le26r74bd television just out of waranty. On changing from HDMI source to TV source the program has become stuck on one channel (it displays the channel name on the screen constantly as well now). I can change the volume, picture settings etc and view other sources (video recorder, HDMI etc) perfectly yet i cannot change the program on the TV source using either the remote control or buttons on the set itself. Tried unplugging from the mains completely and leaving for hours but still nothing. Please please please help.

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  • Samsung Master
  • 73,647 Answers

Check the remote control for its infrared emission. Check it with fresh batteries. Check it by pressing all the keys. You can detect the presence of infra-red emission from the remote control, using a cell-phone camera. If you wish to get more details about how to check a remote control, please visit this site. One among the posts has details about it. In some cases, the remote control might need to clean.
http://electronicshelponline.blogspot.com/
http://remotesearch.blogspot.com/
Search the site by type in this key phrase "how to test a remote control "in the "search box at the top right of the display window of the Homepage" to get the related post quickly.
https://youtu.be/wUpnETSm6_k
https://www.youtube.com/watch?v=jsSCNCW3IbQ [open and clean]
https://www.youtube.com/watch?v=Qp-l1uh-5gE [open and clean]

Posted on May 11, 2017

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 113 Answers

SOURCE: lns4692d no picture

No it is the little board underneath the metal container at the top middle of the panel..the very top.

-Josh

Posted on Mar 14, 2008

  • 1 Answer

SOURCE: sound no picture, which component is tcon board? where all audio/video/cable/hdmi plug in to?

I have LNS4692D. Returned from vacation, turned tv on - no picture. Tried turning tv off for 4 hours- nothing. Symptoms are: tv is on - no picture , just sound; menu doesn't show, volume bar doesn't show;E.Saving is working - the backlight is changing from lighter to darker.
Found this website and ordered T-con, otherwise known as the LCD panel driver board, p/n# Bn8101286a ( thanks premtech) from partstore.com for $124. Part number BN81-01286A A/S T-CON Board.
Installation:
1.Remove plastic cover. There is an arrow for each screw that needs to be removed. Make sure to unscrew pins next to VGA port. I've spent some time trying to figure out what else is holding the plastic panel until I found this pins.
2. Remove big metal shield in the middle of tv that is covering main components. This shield is being held by small black screws all around it.
At this point you will see cover of T-CON. Here is the picture
http://www.avsforum.com/avs-vb/attachment.php?attachmentid=118863&d=1220531321 (thanks ldac9). Do not attempt to remove that cover yet. Proceed with a next step

3.Remove metal panel that holds main components. Locate big chrome screws that have arrows pointing to them and unscrew them. Remove 2 more screws on the bottom of the panel that holds it together with a box for cables. At this point the main panel will be lose
4. Carefully start lifting the panel. You will see that there are connectors going from components on the panel to components on the lower panel and T-CON. Carefully unplug these components and raise the main panel.
5. Remove 4 screws that holds T-CON cover. Pull the cover so that T-CON is completely exposed. The cover is connected by thin alluminum , don't hesitate to pull it , but don't rip it out.
6. Once T-CON is exposed you will see 2 red ribbons. I've spent some time to figure out how unplug those from old T-CON board. Here is the suggestion. Don't try to pull it out. All you need to do is to lift small plastic lever that is part of a connector. Then ribbon can be slided out. If not sure what to do, see how this is done on the new T-CON. It has a principle of buckle on airplain safety belts.
7. Remove old T-CON and install new you.
8. Follow reverse order.

I've never fixed TV before , but this was totally successful project.

Posted on Nov 19, 2008

jomabug76
  • 1148 Answers

SOURCE: External input sources won't receive signal

UNPLUG THE HDMI AND TRY,,

Posted on May 15, 2009

redgs95
  • 15 Answers

SOURCE: 50 inch Plasma Samsung HP-T5054 appears to have power however...

check the power inverter on the power strip. also check the caps on the board and if any of those caps have a round top it is bad and needs to be replaced. i hope this helps.

Posted on Jul 28, 2009

  • 60 Answers

SOURCE: Samsung LN-T5281F TV: Control panel on TV is not responding

  1. Need to replace the main Board

Posted on Aug 23, 2009

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1 Answer

Samsung Tv #un46c8000xf changes video sources.


The mother board is faulty. You have to change the main board. If you wiah to get some details about flat panel TV repair then check the below link.
http://electro-medical.blogspot.com/

Jul 06, 2016 | Samsung Televison & Video

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Can't change source


Go to the source menu (source button).
Use up and down arrows to select the correct HDMI jack.
Use right arrow to make that selection.

Jan 02, 2014 | Curtis LCD2425A TV

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Iplugge in my PS3 using an HDMI cable and i get no feedback


ps3's are a pain in the _ss..
you need to connect it through your standard cables as well.. use the component cables that came with the ps3 and connect it to your tv's coloured inputs..
change the tv to that source and then go to the video settings on the ps3, and then choose the hdmi option..
now.. once the option is chosen, you have about 30 secs to change the source on your tv to the hdmi source to see the picture while the timer counts down (making sure both the hdmi and the component cables are connected to the tv at the same time)..
now that you are on your hdmi source on the tv, choose accept (X) on the ps3 menu and you should have your hdmi setup
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May 03, 2011 | Toshiba 50HP66 50 in. Plasma Television

1 Answer

PIP function does not work, the settings is greyed out also! I have a wii, PS3 and freesat :)


Hi nikkicollier,
PiP for your TV works between two different sources. This means between a component source and an HDMI source or between an HDMI source and another HDMI source. PiP also works with a PC connection, e.g. when using the TV as a computer display. PiP does not work between two component sources. The setting will be grayed out when you don't have a configuration that is supported, as the Samsung TV's are usually able to automatically detect which sources are plugged in and available.
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I'm not exactly sure what sort of configuration you want your PiP to work in, but try one of the following configurations.
  • TV Cable (through VCR or other via Component input) with Satellite in PiP (via HDMI input)
  • PS3 (via HDMI Input) with Satellite in PiP (via Component Input)
  • Wii via HDMI Input) with PS3 in PiP (via HDMI Input)
You can usually find an HDMI cable for much cheaper at an electronics supplies shop, Radio Shack, or on eBay or Gumtree.
To change your PiP settings:
  1. Press the MENU button on the remote control. Select Picture and press Enter.
  2. Select PIP and press Enter.
  3. Press the enter button again, and press up or down to change the setting to On and press enter again.
    Note:
    If PIP is activated the screen will display in widescreen (16:9 aspect ratio.)
  4. Press the up or down buttons to select the Source then press the Enter button.
    Select the source of the sub-picture by pressing the up and down arrows and then pressing the Enter button.
    Note: The sub-picture can serve different source selections based on the what the main source is set to.
    Note:
    You may notice that the picture in the PIP window becomes slightly unnatural when you use the main screen to view a game or karaoke.
You can download the full PDF manual for your TV here (large download at 26MB.) Much of the PIP information can be found on pages 13 and 14.
Good luck, I hope that helps.

Mar 01, 2011 | Samsung LE40R73BD 40 in. HD-Ready LCD...

1 Answer

Hi. Just found this site. I have a Samsung LE32B450C4W TV. I am not technical at all and Virgin Media have installed us a V+ HD box today. However, I have now discovered when I turn the TV off and back on...


You should try this way. Unplug the box and replace by DVD player or others with HDMI output and turn/on off to see the TV keeps changing HDMI sources or not. If it is changed, you have to call service to replace the main board. Else, your TV works well.

Nov 12, 2009 | Samsung LE40R73BD 40 in. HD-Ready LCD...

1 Answer

Hello, how do i change the setting to hdmi on my tv? thanks :)


When your HDMI cable already hooked up to TV via HDMI input, press button SOURCE on the remote control. You must see all the inputs there. If you don't see, keep rolling down the arrow button. You will see it. When it got highlighted, press Enter, your TV will switch to HDMI inputs automatically.

Aug 15, 2009 | Samsung LN32A330 32 in. LCD TV

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Can't change channels on Samsung LT-P1545


First try and unplug the tv for 30 min. Then try it. If this does not fix it, go into your menu and reprogram the channels. You will find auto program in the setup or install part of the menu. It should work from there. If not, the control board is bad. You or a repair shop will need to replace it.

Nov 10, 2008 | Samsung LT-P1545 15 in. EDTV-Ready LCD...

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