By now we all have figured out that these Sceptre power supplys are not reliable. My question is: are there after market solutions available? I have a 30SV Naga-III. Do I have to take the brick apart and try to repair it or can I get a new one somewhere? Thanks much.
The attached pictures are the back of our TV which is a Sceptre X30SV NAGA III.In ours the power supply is inside the vertical panel on the back right of the TV. The plug goes in the bottom of the panel and you remove the panel with the horizontal louvers with 4 screws to get at the power supply. A replacement power supply is from Delta Electronics part number ADP 180CB B , 24 Volts 7.5 amps 180 Watts that we reordered from here: http://cgi.ebay.com/Delta-ADP-180CB-B-24V-7-5A-180W-4-Pin-Din_W0QQitemZ160268090373QQcmdZViewItem
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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.
everyone has to start somewhere, replacing a Power Supply Board is quite straightforward with a little common sense and safety precautions, there are many tutorials on you tube, you would probably find that someone has posted a tutorial on your actual model, here's an example of a power supply board swop, have a look at this one and others to gain an insight and decide then if its for you, LCD TV Repair No Power Power Supply Common Symptoms Solutions How to...
Check the power supply board for those dead capacitors.It alway have bulges up on it tops or puff up on it tops.Replaced those dead gases leakages capacitors.Than,it is the power supply board it dead power supply board.No,capacitors bulges up on it tops or puff up on it tops.The logic Tuner board is dead.
My Sceptre X30SV had no power. I unscrewed the panel where the power supply is (in the back of the tv) and unplugged the power brick. Shortly after I plugged it back in and it has worked for the past 24 hours. I'm thinking my power supply is on its way out. I have purchased a voltage meter, how do I go about testing the power brick? Thanks for your help in advance!
I don't think those are capacitors. They are varistors and (as a pair) they are in series between the mains and the load. Current flows through them so if they have dry-jointed then you have an open circuit and no current flow. This seems to be a recurrent problem. I'm trying to locate a replacement but I can't find the characteristics of the SCK 085 listed anywhere.
My guess is that this is a US problem only. In other countries with higher mains voltage, the power supply draws a lower current and doesn't cause the varistors to overheat.