Question about Sharp 25N-M100 25" TV

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Sharp TV I would like to get some assistance re a tv that i'm trying to repair the problem is only raster is available no picture, sound as well as no vidie when pluging it to the vcr or dvd. can anybody assist me on this.

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Re: Sharp TV - Sharp 25N-M100 25" TV Standard (CRT) Televisions


Posted on Jun 12, 2008

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Sharp lcd problem ; hdtv

Have you tried cable or another source? If so how long have you owned the tv as it sounds like it may require servicing. I can give you the contact info to locate the nearest authorized dealer or local repair shops as well.
Let me know if you need any further assistance and if you have a moment to accept and rate the solution I would greatly appreciate it.

Aug 10, 2008 | Sharp 32F641 TV

1 Answer

When tv is powered on tv only displaying channel number and sound -no raster. using video mode displays are ok. sound is also ok

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.

Dec 06, 2014 | Sharp Standard (CRT) Televisions

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No picture, no menu, black screen, no raster, sound ok

From your detailed description, it sounds that the main chroma processor IC has damaged. Raster means nothing, but the lighted screen that appears, when a TV is switched ON. For some brands, there will be a blue screen; when there is no signal input, and some others will have a bright white screen with some snow.
I advice you to contact any service technician, to get this TV repaired. 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 and press "Enter".

Jul 07, 2014 | Standard (CRT) Televisions

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I have sharp tv.I used to fix Sc-2166 chinese board.but now it will not com display.Its totally black.can i repair this.I used only one month.

check&change pt heater resistor[series in lot].increase screen grid voltage,your problem continue.sound is working normal no display you have this problem than it is plain raster means no picture,no snow.than change croma icµ processor.rarely picyure tube problem.before change p.t.this board check to connect another tv.but not solve this problem change anew board.
My sujession is chineese board cost is very my first prefferance is fix a new board. yhank you.

Sep 06, 2010 | Sharp 21B-S10 21" TV

1 Answer

Dim raster of tv

check heater safety resistir.increase screen grid.check this board another tv.the board working normal in another tv.than change picture thank you

Apr 23, 2010 | Sharp 21B-S10 21" TV

1 Answer

Sharp 32'' tv -no raster showing channel numbers only

since you have sound and display it's not the hivoltage. You're electron guns are not being turned on. Most likely the IC which biases the guns or the IC which contains the biasing resistors.

Jan 28, 2009 | Sharp 25R-S100 25" TV

1 Answer


changing the eeprom ic should solve your problem.

Apr 11, 2008 | Sharp 27N-S100 27" TV

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do you see anything on picture doesnt mean no raster ,raster mean anything that comes out in raster with sound only mean failure in either,connection in heater which means, loose connection or some new sets declare failure in vertical be more specific ok?

May 08, 2007 | Sony FD Trinitron WEGA XBRKV-40XBR800 40"...

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