Question about Sharp Aquos LC-42D62U 42 in. LCD HDTV

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We turn it on and the screen stays blue...it is connected to the cable but won't get a picture nor does the original set up come on

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  • Sharp Master
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I don't have the manual in front of me but what you need to do is change the source. The tv accepts input from various sources and connections. So you need to tell it where to find the signal you want. On your remote there will either be a button marked source or you will have to find it from the setup or menu button.

Usually there are 3 or 4 valid inputs. So all you do is press the source button and it switches to the next source. If there is nothing there you press it again and it goes to the next and so on. It will just keep cycling through the inputs as you press the button. You should see something marked as AV1 AV2 CABLE as you cycle through. When it finds the cable source it will then scan through and mark the avilable channels. This may take a few minutes. After that you can just use the remote to normally switch channels up/dwn etc.

Posted on May 09, 2010

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1 Answer

Sharp Blue Ray and Sharp Aquos TV were working just fine, now blue ray not recognized by tv; screen stays dark but the blue ray appears to be operating. Have tested the blue ray independently and worked...


A refurbished set? If blue ray is not built into set the issue is with the set--maybe the reason set was refurbished.....If have not tried it unplug set for a while and reconnect with set turned off.

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Olevia 242 TV.... No picture or sound!!!


A blue screen usually is present if no signal is connected to the set---hook a DVD up to one of the rear inputs--select that input and see if have picture and sound.

If that works connect cable or antenna to set and select that input

NO signal is like no gas in car---it will not run.

Mar 22, 2012 | Televison & Video

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Troubleshooting for maxent mx-42hpt51


hello!
Blue screen(bright blue) indicates an absence of signal. If you have "on screen" display characters: menu, channel ##, volume bar, etc, your set might be configured for digital antenna settings, or DTV, "air" mode. Then, you won't be able to get cable channels through. If your "blue screen" is dim and there is no any characters, then your Y-sustain module is bad. Especially, if you have encountered loud "pop" shortly before "blue screen" appeared. Then, it's a major repair with board(s?) replacement. If you can handle that, get back to me in a next session. I will guide yourself "how to".
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Feb 16, 2012 | Maxent MX-42HPT51 42 in. Plasma TV

1 Answer

The projector is stuck on the blue screen. It will let me change the input but it will still stay on the blue screen even though everything else is on and working.


Hello!
"blue screen" means: picture is all blue, but there is a signal coming through? Do you see channel logo? Menu? If so, blue CRT or CRT board is at fault. Depends on the age of the set. If set is fairly new, then try to bang on the neck of blue tube with rubber screwdriver hands. Very gentle! While set is working. If you see the retrace lines and TV shuts down then, CRT is at fault. If not, try to play with blue "screen" control of "focus block". Black plastic module with bunch of thick wires attachad to that. Has 3 "focus" and 3 "screen" controls. For each of the tubes. In many cases you'll be able to adjust "blue" down to normal. Usually, those controls are smeared with white paint and hard to turn by hand. Loosen those with little pliers, then adjust manually or via small "phillips" screwdriver. If nothing helps: CRT board is at fault and must be replaced or repaired. In this case you won't see any characters on blue CRT, just solid "blue".
good luck,
Alex.

Jan 20, 2012 | Sony Televison & Video

1 Answer

The picture started to get blurry, after being turned on for 10 minutes would clear up, now just stays blurry and almost no picture at all.


Hi

Thanks for using FixYa. To reset the picture you’ll need to reset all the Video menu options to their original factory setting for which you’ll need to follow this step-by-step procedure---

Press the Menu button and then use up or down arrow button to select the Video menu. Now press the right arrow button and then use up or down arrow button to select Video Reset then press the right arrow button to reset the Video menu options to original values.

If still the problem persists, then you’ll need to check for local interference such as an electrical appliance or power tool and also check the antenna. If required change the direction of the antenna.

To resolve the issue of Blurry Screen, first check whether all the cables from your dish network are fine and connected firmly. If yes then you'll need to pull off the front of the TV, behind the speaker grill there would be a panel. Remove the panel and check for a black box hanging over there. It has 6 controls on it, 3 are marked as focus and 3 as screen. You'll need to adjust the screen. If you turn these too high you can damage a tube. So we are doing real small adjustments. Turn the color off on the TV and adjust the red, blue & green controls up till you get a fine picture. Also adjust the focus until you get a clear picture.

And, if it doesn't resolve your issue then it is an intermittent blue picture tube, a bad blue driver transistor on the CRT board, a bad connection on the blue CRT board, or a problem in the RGB coming from the video jungle IC. A set this age, most likely will run about 300-500 bucks to have this problem fixed, unless it is the picture tube.

Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks

Rylee

Dec 18, 2009 | Televison & Video

2 Answers

Monitor receiving signal, but no image


Hello!

I see many monitor with that trouble.
When you turn on comp., you can have a picture on monitor about 10-30 min. and that go in black screen, or If you change resolution again go in black screen.
You must repair monitor or bay another.

Nov 02, 2009 | Acer AL2416W Monitor

1 Answer

Turn on goes blue then turns off


The most common reason for a TV to display a blue screen with no picture is because the source device has not been set to the proper mode.

If you are using a cable or satellite set-top box, ensure that it is turned on and set to an active station. If the set-top box is connected to the television using a coaxial cable, then the television should be set to Channel 3 or 4 to receive the signal.

If you have are using a VCR that is turned on, but not playing a tape and not tuned to a receivable channel, then a blue screen will be displayed on the TV. To resolve this, turn off the VCR or tune it to a receivable channel. If a cable or satellite set-top box is connected to the VCR using a coaxial cable, then the VCR should normally be set to Channel 3 or 4 to receive the signal.

If the blue screen is not because of a connected VCR or set-top box, the TV may require service.

Sep 22, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Full Color fading to blue then screen turns off. Repairable?


Here is what you need to do.

1.) You need to remove the entire plastic piece below the front of the screen. You most likely will find 3 screws on either side in back that you have to remove.

2.) The grill will not come out easy, pull from one side and then when it starts to come loose from the other side(there are several plastic pegs that hold it in.) Then from the bottom pull out( most of these sets have square plastic tabs at the top that tuck in.)

3.) With the grill removed locate the inspection plate behind it (it usually has 6 screws.) You will have to tilt the grill to the left and on its side as several cables are connected to it--they are held in place with trash bag like ties that you can release to get some room.

4.) With the inspection plate removed you will see a fairly small (about 3 inch square) BLACK PLASTIC BLOCK WITH SIX CONTROLS-usually they are marked with whiteout so someone can tell if they have been adjusted.

5.) You need to look very close at the block with a flashlight----usually the top three controls are FOCUS--don't touch those.
The lower three are usually marked Screen and if you look very close you will see b, g, r(blue green red)

6.)Usually the blue will be on the bottom left--it does vary

7.) Once you locate the BLUE screen control have the set on and turn it down--if the set is shutting down you may have only a few seconds to try to turn it down---usually to the left with the Blue Screen control.

8.) Best way to do this if the set is on is on a video input with nothing connected--you turn the blue down until the set stays on and then very slowly turn it up until you see a slightly blue screen with or without diagonal trace lines----if you get it to turn on this way turn the blue screen back down slowly until the blue screen and trace lines just disappear.

Let me know if you get it to work--Like I said if it is shutting down you may have to slowly turn the blue screen down a few times to get it to stay on.

I do this here for free and if this helps you at all give me a vote here--it costs you nothing.

Regards, SD TECH

Sep 17, 2009 | Sony KP-65WS500 65" Rear Projection...

2 Answers

Vertical, pencil-thin blue line appears after 10 minutes of viewing (any source)


I would suspect a connection breaking down as the set heats up. A shop will probably have to put the set in a stand to hold it while they check for loose connections or defective components inside. Not a DIY job by any means. If this line went completely through the picture either vertically or horizontally and stayed there then this would have indicated a failure in the Panel itself. A thin Line any where on the screen consisting of one pixel in width is a Panel Failure according to Hitachi.

Jan 01, 2007 | Hitachi 55HDT51 55 in. HD-Ready Plasma...

1 Answer

The picture disapears, though the monitors stays on - every few seconds


Check the cable connections on the back of the monitor and the PC it sounds like the connection isn't made properly make sure they are tight.

Oct 28, 2006 | BenQ FP71E+ (Black, Silver) (Silver,...

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