Question about Samsung LN46A650 46 in. LCD HDTV
Most likely failed capacitors in the power supply. I am currently having the same problem with my 26 month old LN46A750. Samsung has greed to fix this as a "courtesy repair".
Posted on Aug 21, 2010
As others pointed out In most cases it is the capacitors in he power supply section that have gone out.
Common symtoms are
-takes a long time to come on
You can get capacitors online or you can get a complete kit with instructions and support from www.TvRepairKits.com . Its a failry easy DIY fix.
Posted on Dec 15, 2010
Upper right corner of the power supply board
Look for bulged tops on:
CM851 1000uF 25V
CM852 1000uF 25V
CM854 1000uF 10V
CM855 1000uF 10V
Make sure to install new capacitors with correct polarity
Posted on Sep 10, 2010
These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.
If blinks continue without any pause, the main board is faulty.
Posted on Apr 16, 2015
Some time back I repaired a 46" Samsung LED TV with continuous relay clicking and blinking red LED. Power on 5V line was short with the ground. I had to replace the main board in that case. I hope this will help.
Posted on Apr 15, 2015
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