Question about Sharp 25R-S100 25" TV

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Sharp model 29V- FL250s

The problem no power, i replace ic TEA1507P and triac in the power supply but nothing happen still dead set.

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Ac supply track check this ic ac pals track on resister 240k or470k &diode check this track

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I want a sharp 29v 250s schematic diaghram pls

Posted on May 24, 2014

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Probably power supply is gradually failing to the point where it won't start at all.

Sep 09, 2016 | Sharp Televison & Video

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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. 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/
Type in the brand name of your device, in the search box [at the top right] of the display window. It will make surf easy.

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I have sharp tv model 20v-r70m not power on the b+ is ok i try test 9v supply go to ic801 drop the 9v,then i try replace ic801 nothing happen, how to fix this


pls. check if there has 5v ic regulator... also check the open non- electrolytic colored yellow or orange tantallum capacitor near the talc switches and memory ic.if i'm not mistaken.... the capacitor value is 2.2uf 50v.

Jul 14, 2014 | Sharp Televison & Video

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Can u pls show me a schematic diaghram of sharp 29v fl250s crt flat series


Schematic diagrams are in PDF, and cannot include here by this window. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/

May 24, 2014 | Sharp Televison & Video

1 Answer

Sharp 29v l230s


Check and replace the main power regulator board. If you wish to get more details, check this link.
http://electronicshelponline.blogspot.com/
Pull up previous posts by its left sidebar, or type in the brand name and model number to of your set, to its search box, and press 'Enter' or view it in Mosaic / Timeslide option.

Oct 07, 2013 | Televison & Video

1 Answer

I have a burned out parts in power supply of sharp model 29V-L230S


If you wish to get more details, check the site linked here. It has some circuit diagrams to power supply. Hops it might help you. http://electronicshelponline.blogspot.com/
Pull up previous posts by its left sidebar, or type in the brand name and model number to of your set, to its search box, and press 'Enter' or view it in Mosaic / Timeslide option.

Sep 13, 2013 | Sharp Televison & Video

1 Answer

Hi I have the sharp 60inch, when i power on there is nothing on the screen, so it is the MB problem or one of the Resistor is opened or the LED are burned. Thanks


your explanation is saying that you have a dead set.it can be what you mention.but check your power regulator.or the following componets.horizontal output transistor,flyback,10 mf cap in the power supply and there is another 10mf at the input of the flyback along with a diode.there is also a resistor in the same area that you need to check.if that does not not solve your problem take out the microchip the number on the board is 506 when that is damage it can cause your set to dead.around that same ic there is a diode and a little transistor check them if they are shorted they can be the culprit that damage your microchip ic.

Mar 06, 2011 | Sharp Televison & Video

1 Answer

SHARP MODEL NO.21V-W99 PROBLEM: NO SOUNDS CAN HEAR EVEN IF THE VOLUME ARE HIGH ENOUGH..PLEASE HELP ME TROUBLESHOOT THIS PROBLEM SO THAT I WOULD ALSO KNOW HOW TO SOLVE THIS KIND OF PROBLEM.


Hi Florendo,
Check the supply voltage at pin# 2 of TDA7056 IC, if you havn't voltage, trace it, the fusible resistor might be open. Replaced if open then power on the unit. If the fusible resistor burned again, this is an indication that youre IC is shorted(need replacement). If nothing happens to the resistor and the supply voltage is present now in pin#2 your IC need to be replace also because this is already open. For more info click this http://pdf1.alldatasheet.com/datasheet-pdf/view/19422/PHILIPS/TDA7056.html.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Mar 04, 2011 | Sharp Televison & Video

1 Answer

When the power button the red button flashes but nothing else hap


the red light flashing means the set is in auto shut down, could be a power supply problem or a convergence IC problem. tech should first check all diodes and caps in power supply then replace convergence IC's

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Sharp-model-29v-j200s


did you ever check the jungle ic supply? that is 5volt if the 7805 ic is over voltage replace it!

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