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Lost power cable for ns-22e430a10 led tv. tried 12v with 300 ma no good, tried 12V with 850ma still no go. can't find what the ma is suppose to be.

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Thise are way too low for the TV to operate amperage wise. Your best bet is to go to Best Buy to research the correct power adaptor BEFORE you do damage to the TV. I hope that helps : )

Posted on Aug 01, 2011

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Posted on Jan 02, 2017

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I have a TV that shows power on (red light on front of TV), but nothing on scree. TV model is LG 42LN5300-UB


Check the various voltages coming from the power supply board and see if they are all ok, there is a legend on the power supply board to show what voltages are at what pins on the connectors,the 5 volt standby we know is good as long as the set has sound, but check the others

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1 Answer

Led power light comes on but screen will not come on.


"Blinks a few times" implies the TV is flashing a fault code at you. If you can find a service manual for your model, count the number of blinks and look it up in the diagnostics section.

However, the most likely problem is a burned-out electrolytic capacitor in the power supply. These are usually easy to identify visually; the top of the can-shaped capacitor should be flat, but may be bulged out and may have brown or black material leaking from the vent scores. The photo below shows a bad capacitor to the right of a good one; both have black plastic sleeves.

If this is the case, replacement capacitors are relatively cheap. However, you should look for the following criteria in choosing a new part:
>Capacitance (uF): same as the original, or 10% higher if the original value is not available
>Voltage: same or higher
>Temperature: Maximum temperature should be same or higher
>Physical size: should fit in the space occupied by the original; if buying a taller unit, make sure it will fit when the back cover is reinstalled, and make sure the capacitor will not touch heat generating parts such as heat sinks, resistors or large transistors.
>Ripple current: get the highest available without compromising too much on endurance. Ripple current may be specified in mA or A; 1 A = 1000 mA. Sometimes you can get a better rating by going to a higher voltage part, but physical size may be a limitation.
>Endurance: Try to get 8000 hours or better.

I usually use Panasonic FR1 series capacitors, although United Chemi-Con EKZN capacitors are also worth a look. 25351068-tkog3zu3xmxabptjkcidpctj-1-0.jpeg

Jan 02, 2015 | Insignia Solutions Original INSIGNIA TV...

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Tv won't turn on. replaced bad caps and after some testing it turned out that the power supply board wasn't giving the supposed voltages.


This problem is not easily to be solved.Tries to changes all the capacitors components even if u think is good around the bad capacitors surrounding area.After that,if u still have the same problems.This problem could be any high voltage components parts like transformers to ICS power regulator.Trying to fix this power supply board probably beyond your ability and u must also have the tv power supply board original schematic and electron scope too . .To measure those power transformers and ics power regulator output.Tries websites like Shopjimmy.com,EBay.com to buy a whole new refurbish tv power supply board for the replacement that is ur best bet.

Sep 27, 2012 | Insignia NS-LTDVD19-09 LCD TV

1 Answer

Kicker zx1000.1 stopped working completely. I have 3 Kicker 10" cv subs hooked to it. The first time it shut off I turned the system off. When I turned it back on it worked for a few minutes and...


First check to see if your'e getting power to the amp by using a test light and touch the main power(12V battery) connector on the amp, test light should come on since it's constant 12v supply. Now turn on the radio and test the remote wire connector on the amp and you should have 12V(test light should come on). Also make sure that you have a good connection with your ground wire, check both connection points to make sure it's good. Now if you have power where your'e suppose to and when your'e suppose to and the amp does not power up, then it may be time for a new amp. Try wiggling the connections at the amp a bit, the solder may be cold/loose.

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Iomega external hard drive power is not coming on.


Samething happen to my Iomega screenplay media drive.
My problem was a AC/DC power adaptor that was in short-circuit.I bought one off EBAY and all good again.
Search for 12v dc 2.0 amp power adaptor.Has to be 2.0 amp ,as anything less ,will not work and most available are only 300 ma.
Good luck

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1 Answer

I have a Bush 26" lcd tv. when i try and power the


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Can't answer more than this without any details.

Mar 27, 2017 | Televison & Video

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