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Sharp tv where i can find the i.c. power regulator of sharp tv. about 20'' on the motherboard?

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Read the # on the ic. should be a stk #

Posted on Mar 27, 2008


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I have a LCD sharp tv and it's turn it on after 20 mins any one know what it is ?


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.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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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/

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1 Answer

What can cause sharp 21vr70mm tv not to 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/

Oct 17, 2014 | Sharp 25R-S100 25" TV

1 Answer

Sharp aquos tv no power


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.

Sep 03, 2014 | Sharp AQUOS LC-32D43U 32 in. LCD...

1 Answer

How to fix a sharp tv that dosent comes 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.

Aug 06, 2014 | Sharp LC-32SB24U 32 in. LCD TV

1 Answer

Tv shuts down after 10 min.


Look for any loose solder terminals at its main power regulator circuit section. Re-solder all suspected solder terminals, by applying a little more solder to each terminals. If you wish to get more details, check this site. Pull up older posts there. Check the site with patience, as it has over 2350 posts now. All are related to electronic equipment repair help. Search the site by 'Timeslide' option. It will make search easy.

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1 Answer

My 32 inch sharp tv shuts off on its own after being on for 15-20 min green ligt next to power light flashes green


Check its main power regulator board for any loose solder terminals. Re-solder all the suspected solder terminals by applying a little more fresh solder. If it do not help you. replace the power regulator board as card basis. Contact the nearest authorized service center for Sharp to buy a new power board.

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1 Answer

I have a sharp aquos model Sharp Aquos LC-20B2U 20 in. LCD Television . it works great for about 2 years, then suddenly shut down by itself. then it turns on again for a variable time, then once again...


if your TV lights the indicator when you power it on,, your problem is your back light is busted you can replace that and when the indicator not lights the problem is your power supply you can fix it by finding defective parts by using multimeter usually the trouble that i encounter to power supply is open/change value of resistor leak capacitor and shorted diode and transistor such as regulator you're always welcome

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Your power supply unit needs servicing on some part replacements. bad capacitors, voltage regulators, hi-watt resistors,....etc

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