I decided to adjust the picture settings on the TV. Opened the menu and toggled from Movie to Standard. Went to the manual settings and decided to find out what Backlight did. Began adjusting down on the bar graph, and the TV went into a loop of turning itself off, then on, then immediately off again, making that increasingly annoying chime. Tried disconnecting the power, no change. Looked for an access panel with a main power board plug to temporarily disconnect, and found none. This model does not seem to be part of the bad capacitor group. The guy selling power supply boards and main boards seems to think it is one of the two. Looking for a hint as to how to determine which.
SOURCE: We have Samsung LCD model LN26A450C1D, which is
The tv Tuner board is dead,that the board,where the brocasting incomming signal cable connected into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.
Testimonial: "Thanks for quick response! I will try. "
SOURCE: Repairing a LED TV
The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
SOURCE: LN-T4061f samsung lcd no backlight, no sound, no picture
Replacing the capacitors would be a good start. Replace all the ones with the same capacitance and voltage rating even if they do not look bulge.
Let me know if you require further assistance.
SOURCE: Ilo TV main board
there are a couple of things you can try out
but i think it's always better to fix the existing board rather than putting a cheap crappy chinese board. those chinese boards are unsafe and prone to failure.. and the picture quality is usually bad.
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