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

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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.

Posted on Mar 28, 2011

  • Homer Napter
    Homer Napter Oct 13, 2014

    bro can you give me the number of the audio outrut ic?.. thanks



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Posted on Jan 02, 2017


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What number power regulator sharp 20v l80m

If you wish to get some details; check the site linked here. Pull up older posts. Circuit diagrams of SMPS section of many popular brand devices are given. Search the site by type in the "brand name" of your device, in the "Search box at the top right of the Homepage" to get gathered related posts.

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If you wish to get some details; check the site linked here. Pull up older posts.

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My sharp 20v-L80m has no picture and sound only standby mode.

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.
Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts.It will make surf easy.

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What is the number of the audio output of sharp 20V-L80M? the IC number is erased.. thanks

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
Circuit diagram is given.

Oct 12, 2014 | Televison & Video

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If not power up even by remote control then check the the H-out transistor for short, open fusible resistor in line with the b+. This is the most common fault of your problem.
Needs a technician to isolate the problem.

Thanks for using fixya.

Jan 23, 2011 | Sharp Televison & Video

1 Answer

I have Sharp 20V-L80M, Power Regulator was busted. Cannot determined the value. can you help me to find the right value or schematic diagram for this Model? Thanks.

I have tried numerous times and the TV manufacturers will not sell parts or diagrams to consumers.You have to be a repair shop with a username and password just to view the stuff.Here is one possibility.
I will try for others...hang on please.Here is another possibility.All I usually find is user's manuals which are free few and far between.Schematics just aren't out there.
Sorry to have to tell you that.I like to fix my own stuff too.There is nothing more I can suggest with all the limited access.Good luck!Maybe if you take the regulator out and ask a shop?

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