Question about Sharp 25R-S100 25" TV

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Sharp primo tv 21" str ic number? - Sharp 25R-S100 25" TV

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  • Sharp Master
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To know more about this, you have to download the repair manual to this set. Its schematic diagram section have all details. 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/
Power supply regulator schematics to many popular TVs are given.

Posted on May 14, 2014

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Posted on Jan 02, 2017

Rifaa
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SOURCE: MY SHARP PRIMO TV MODEL 20V L75M IS ASKING FOR A SECRET NUMBER

It may be a parental lock, so u need the code or u have to reset it, check the manual on how to reset it

Posted on Jan 08, 2009

Demonic-2011
  • 467 Answers

SOURCE: sharp tv primo 21`inch turn on red light only

The most likely probable causes of the 'red standby light only - no other function' problem would be the flyback transformer/horizontal output transistor or a shorted component on the HT rail, which derives most of its voltages from the power supply so check this area as well.

If the power supply checks out all OK, I would advise replacing the horizontal output transistor and flyback transformer.

Be sure to get the correct transformer type for your model when replacing it, as each one has different characteristics (including voltage rating and EHT output) in relation to the picture tubes they are connected to. Some may have focus and screen controls as part of the transformer itself, while others will have this as a separate part.

Posted on Feb 16, 2011

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What str used in sharp tv


If you wish to get some details, check the site linked here. http://electronicshelponline.blogspot.com/Pull up older posts. Power supply schematics to many popular brand TVs are given. Sharp itself uses many STRs. You can compare the schematics and can get the details.

Dec 31, 2013 | Sharp Televison & Video

1 Answer

What is the number of str ic,regulator power supply a 14 inches sharp tv. model primo sharp tv 14 inches


Try the site linked here. It has schematics of power supply section to many popular brand TVs. http://electronicshelponline.blogspot.com/ Hopes it will help you to check out the number of the STR.

Dec 18, 2013 | Televison & Video

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Sharp primo tv 21 inch have power but no display?


You may have one or more capacitors blown. This is a very typical problem. Google "Blown TV capacitor" to see the pictures of a (blown) capacitor so you know what and where to look inside the TV.

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Primo sharp 21v-L70m model the problem is always on standby and cannot power on the unit.


These sets are quite outdated, there are fewer and fewer repair shops out there for them.
The problem is most likely the power supply (internal), this can be repaired quite simply if you know what to look for. Other problems may or may not include a blown IC, fuse, lamp, or the tube itself.
The cheapest option you've got is to buy a new TV I'm afraid.

May 11, 2011 | Sharp 25R-S100 25" TV

1 Answer

My sharp tv model 20V L80M always damage the str g5653!


If your SMPS IC is getting damaged all the time , you can easily source an universal SMPS unit with the required + B voltages to power your TV and this will be more reliable and will not fail as the circuit is much stable.
The failure of the STR is due to poor feedback, poor components int this section or the SM oscillations, or a faulty SM transformer.

Mar 28, 2011 | Sharp Televison & Video

1 Answer

VOLTAGE DROP AFTER STR.MAIN FILTER NOT DISCHARGE AND FUSE GONE EVERY TIME. I CHANGE STR & SUPPLY IC.


connect a series lamp for sefty to the monitor. start to disconnect the component from fuse ,line filter, bridge rectifier, filter capacitor, check the voltage at ic 12v also check pulse at str if not then check ic resistors capacitors,and replace if found faulty

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No Display, no sound- not working, showing dead. But input Power is ok. Picture tube filamment not getting power. model sony KV-2192M3


Hello
Check the input fuse first. If it is blown, there will be some short inside the power regulator circuit. Usually Sony sets uses STR regulated power supply. You can see this STR, and Ic, screwed onto a heatsink. Replace it with a same type and number. Before replacing the STR, check the diodes used in that section for damage, mainlu zener diodes. They might get shorted along the blowing of the STR. Check that section throughly before resoldering the new STR.
If any further assistance you needs, get me through Fixya. Ok.

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2 Answers

MY SHARP PRIMO TV MODEL 20V L75M IS ASKING FOR A SECRET NUMBER


It may be a parental lock, so u need the code or u have to reset it, check the manual on how to reset it

Dec 16, 2008 | Sharp 25R-S100 25" TV

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