Question about LG 32LG30 32 in. LCD HDTV

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I get sound on my tv but no picture. not even volume bar or menu

My screen is completely black. wondering if someone hit wrong button or something

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  • 63 Answers

Check to see if there is an image on the screen by putting a light close to it if ther is an image replace the backlight inverter

Posted on Jul 09, 2010

  • coachab1 Jul 09, 2010

    i see an image with a flashlight. any idea how much this may cost?

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Sony bravia KDL40S20L1 Lost complete video. Still have audio.


First, unplug all wires/cables from the back of the television including the power cable. Then plug the power cable in and using the power button on the television, turn on the tv and hit the menu button on the side of the television. I

f you have a menu, it could be a simple fix (meaning there isn't a bad board, etc).

You could also use the remote control to try to enter maintenance mode to see if the screen works.

Make sure if your remote has four little white buttons under the power button, select TV

With the tv plugged in and OFF (this is standby) press the following four keys in order within a second of each other.

DISPLAY / 5 / VOLUME + / TV POWER

When the screen comes on (even if black) press the JUMP key quickly once or twice.

if you see a menu, the boards should be okay. If not, might be a little expensive or you didn't press the buttons in time.

In general, if you see a menu on the screen, the lcd board and the electronics involved with making a picture should be okay and it might be loose connections

Mar 04, 2013 | Televison & Video

1 Answer

Screen is completely black except for about 4 inches on top......


Try a reset of the display device or hit the menu button to get a display on the screen- If you get a full picture that way then you have some setting set wrong. It could also be a PIP- picture in picture mode that you only have one source put into the TV rather than two.

Aug 10, 2012 | Vizio SV320XVT 32 in. TV

1 Answer

Tv resolution issue


check zoom on either your tv remote or direct tv remote. someone has hit the zoom button . Its can be called zoom,picture, picture size. You want to get it back to normal. this can be done by hitting one of those buttons repeatedly until you see normal come up.

Apr 07, 2012 | LG Televison & Video

1 Answer

Dynex DX LDTVD 20 TV - have sound but no picture. I think I hit a wrong button on remote but can't figure out how to fix.


If the screen is totally gone (no menu or volume bar or any light at all) you have a high voltage/horizontal problem or vertical problem. Hard to say without some hands on troubleshooting. Have a repair shop check it out. Thanks

Oct 26, 2009 | Televison & Video

1 Answer

OLDER MODEL RCA HOME THEATER PICTURE AND PICTURE


Hi Unykue,

I am an electronics technician who just happened have been given the same set as you because it was giving the previous owner the same problem. Since I am confident in my trade, I took the set and diagnosed noise in the remote receivers input to the cpu.

What this means is that a capacitor( or something) wasn't working properly and was either not filtering the noise out or it was introducing noise into the data stream that controls the TV through your remote control.

My fix was to essentially cut out the entire remote control input to the TV. Since I have a directtv box to give me remote control, I don't care if the TV's remote works anyway.

The way I did this was to open up the unit and find the front I/O board were the buttons meet the switches for power,chaennel, volume, etc. On that board there is a plug with white wires and one black wire. The two wires to cut are the one next to the black wire and the one all the way at the other end of the black wire. These two wires are easy to splice back if you do not like the results of this procedure so that there is really no risk of damaging your set. If you wish to verify the proper wires to cut, they are the two wires that come from the IR receiver's side of the board YET DO NOT GO TO THE OTHER SIDE WITH THE BUTTONS! There is one wire that does indeed go to both sides.

This may not be a perfect solution but it is free. I hope that this will help someone out there.

Len

May 09, 2008 | RCA F32648 32" TV

1 Answer

No Picture on LCD TV


The back lights can burn out, also the power supply capacitors leak and blow out. The bulb(s) are a tough fix, the capacitors are somewhat easier.

Apr 21, 2008 | Westinghouse LTV-32w1 32 in. HD-Ready LCD...

2 Answers

Only picture in picture works


Your pip module has went south.The capicitators on the board have leaked and ruined the board.Agood tv repair man can bypass the module to get you a full screen picture again.The only problem is you will no longer have pip ability.

Mar 07, 2008 | Sony KP-48S75 48" Rear Projection...

1 Answer

How can i get my tv to stop automatically changing to menu screen?


slapshot,
What you have there could be one of three possibilities. Micro, eprom or tact switches... Tact switches are the small contact switches behind the buttons you depress to turn the volume up and down or change the channel. Sometimes these small switches can become contaminated or breakdown due to corrosion. What we call in the industry a windex syndrom, because the older crts on some models had the swiches exposed just below the lower ridge of the cry where when cleaning the screen windex could drip down onto the switch and cause the corrosion to begin.
Eprom is another likely suspect. This Ic is responsible for storing an array of information including customer settings and other logics convert what the eprom stores into electronic pulses for any number of fuctions. For example press the volume down on your Tv and the eprom has the information to show you the volume bar, the level the volume bar was last set at and the increments at which you are reducing it realtime.
The Micro is another possibility. It acts like a traffic cop engaging various circuits to do or not do something according to a preset list of conditions. Timers, looking at a particular input or yes even bringing up the menu is tasked through the micro controller Ic or micro for short.
The fact that you can eventually get the unit to operate suggests that something in the logic circuit is failing and will in all likelyhood continue to do so until eventually it doesn't work at all...

Nov 14, 2007 | Televison & Video

1 Answer

Black bars on top and bottom of screen


It sounds as if you have accidentally entered widescreen mode. Explore the on screen menu to find the widescreen option & switch it back.

Jul 15, 2007 | Mitsubishi CS-35405 TV

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