Question about Samsung LN-T4661F 46 in. LCD HDTV
Set will not turn on. The red dot stays red.
Posted by Anonymous on
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Posted on Jan 02, 2017
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
The problem was solve my power chip or piece burnout.So iam taking it to the shop to have it fix.Thanks for all your help
Posted on Nov 24, 2009
Testimonial: "thanks that's the problem taking it to the shop"
The capacitors in the samsung 4661 are inferior, this happens to all the ones in this line.
If you are feeling handy and don't want to replace your circuit board, here's what you can do.
Remove the 30 screws on the back of the tv. and the plastic shell will lift off.
There are two boxes, a large almost square one to the left (thats the power board, with the bulging capacitors) and a slightly smaller one to the right. (thats the cpu and circuit board)
You only care about the power board for now.
MAKE SURE YOU TURN OFF YOUR TV FOR AT LEAST 12 HOURS SO YOU DON'T RISK SHOCKING YOURSELF.
Remove the 6 or 7 screws from the metal casing on the left.
To unplug the connectors, either press your fingers at the sides of the connectors and gently lift them off, or pinch them from the small tab in front, and lift them gently off.
Remove the metal casing.
Unscrew the 5 or 6 screws holding down the power board and lift off the power board and take it to any monitor repair shop and ask them to replace your capacitors on this board, with more powerful ones. (usually 16v instead of the low 10v that come with it)
Just tell them its the samsung LNT-4661F and they will know the problem as most people who own this TV have called them.
Or they can google samsung 4661 capacitor kit, to see what capacitors they want to install.
Hope that helps someone, as I had to do it.
But it saved for $400.
Posted on Oct 25, 2010
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