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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Posted on Jun 12, 2008


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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".

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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

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

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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.

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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?

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