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I have a Samsung Plasma TV with no sound and no picture


Fault to the main power supply regulator section. 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.

Apr 21, 2016 | Samsung PN43D490A1DXZA 43 In Plasma 3d...

1 Answer

Why my Pro Scan TV has sound no picture


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Oct 12, 2015 | Proscan 42LA45H 42 in. LCD TV

1 Answer

My surface pro went flat while using it now won't turn on


Fault to the main power supply regulator 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. Surf the site with patience. 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.

Jun 02, 2015 | Televison & Video

2 Answers

Why isnt my tv working cause i have took it to ary


Fault with the main power supply regulator 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. Surf the site with patience. 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.

Nov 23, 2014 | LG 32LG30 32 in. LCD HDTV

1 Answer

Wont charge Hisense pro its only about a year old and it wont charge how can I get this fixed?


Fault with the main power supply regulator 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. Surf the site with patience. 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.

Oct 29, 2014 | Televison & Video

1 Answer

My hisense pro will not turn on


Fault with the main power supply regulator 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. Surf the site with patience. 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.

Oct 24, 2014 | Televison & Video

1 Answer

Our phillips tv 100hz digital scan 29pt9418/79 won't power up


Yes,it about 90% of the times,it the power supply board.U can look around the power supply board for puff up bulge capacitors,replaced these caps will get ur power back.10% it ur Tuner signal board.If find no defective caps in ur power supply board.Tries websites Shopjimmy.com.Ebay.com to buy ethier refurbish power or tuner boards for the replacement.

Apr 04, 2010 | Philips 26PF9966 26 in. LCD Television

1 Answer

In the past I have scammed pictures and documents


the printer shuts off due to two reasons. either the power cord to the printer is connected loose or the power cord is connected properly but its getting short.and the other possibility is that there is a power supply board in the printer.on that board there are many tiny electrical components.out of that tiny electrical components any of the component is got weak.so due to this the power supply board gets overheated after sometime and it shuts off automatically to save whole board from getting short.in this case the internal power supply board needs to be checked. ------ Now for the scan failed error.the printer shows this error due to problem in the scanner .in the scanner under the glass there is a mini light that glows.under that light there is a mini green color board.if that board is got shorted then this error can show.as you mentioned that printer shuts off automatically.so this problem can be linked with this scanner failed error.i will explain how it links. the scanner board in the printer receives power from power supply board of the printer.if the power supply board is getting overheated.that this will cause the scanner board to get overheated and short.as both the board are internally connected by a white color 8 pin cable.so in this case the power supply board and scanner board needs to be checked. there can be two possibilities in this case.either there will be lot of expense for this repairing.or it will be very minor problem.if a one single small component blows on power supply board then also the board gets over heated. but if that one component has made short to other connected component.then in some cases whole board needs replacement. so if one component problem then it will hardly cost you any.but if board replacement then its cost will be near tonne printer. also the new boards don't have any guarantee but whole new printer has at least one year warranty. as this all repairing needs a proper technician for checking and confirming the fault. so before getting any repairing done.get the proper cost estimate before getting it repaired. This will help. Thanks please keep updated.please please do rate the solution positively .thank you for using fixya

Mar 18, 2010 | HP Photosmart C4580 All-in-One InkJet...

2 Answers

I have a 42" Panasonic plasm. The power doesn't go on just a flashing red light that blinks 7 times. Whats my problem? Is it costly?


The 7 blinks means that the SC scan drive board might need to be replace but only after checking the voltages from the power supply. If the voltages from the power supply are normal, then proceed to replace the SC scan board.
Click here to find the board you need.
and about the cost is near to  $170. for anything else let me know. thanks.

Jan 04, 2009 | Panasonic TH-42PZ700U 42 in. Plasma...

1 Answer

4870 Photo Pro


Hi FYI, A lamp Circuit board and assembly would cost around 80% of the total cost of a brand new printer. Plus labor costs.

Sep 18, 2007 | Epson Perfection 4870 PRO Flatbed Scanner

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