Question about JVC LT-46AM73 46 in. LCD HDTV

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My screen is black, no sound. Menu won't come up, or input button. Green power light is on though.

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Posted on Jan 02, 2017

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SOURCE: Black pop-up screen when pressing any menu features on remote

hi i really need your help,i have a jvc projector AV-48PRO,the image is shrink on the top and the bottom.i change the two STK392-110 but nothing happen.please can someone help me on that.thnxssss

Posted on Mar 22, 2008

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Magnavox 37MF23ID, would not turn on. Power button only blinks (green light). We have switched power cords and nothing happens. No picture, no sound.


if the power light comes on but the screen stays black, then your TV might be on the wrong input Channel. for example: you switch inputs when you play games or watch dvds vs. watching regular tv. Try to change the input

Dec 27, 2014 | Magnavox Televison & Video

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Lcd tv troubleshooting


Check for power supply trouble. The green LED on the front panel should light if power is getting to your TV. The "no signal" indication may mean no antenna or cable input is detected

Aug 21, 2013 | Televison & Video

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Emerson flat screen won't power off and screen flashes blue ,green, red and black?


Sounds like the main board causing that type of symptom. You can get replacement main boards from www.tvrepairworld.com

Jan 10, 2013 | Televison & Video

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Panasonic plasma TH-42PA60A screen is black and won't display the menu or picture. It still has sound though. The batteries in the remote have been checked.


It will need to be checked and boards replaced to know which if any are causing this trouble--I presume it happens on all inputs including the rear ones.

Nov 02, 2012 | Televison & Video

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Toshiba 32AV502R won't turn on even though green light goes on


Try changing the input device to something you are sure works. Switch off TV manually, switch off power, remove plug and retry after 48 hours. If problem persists, please refer it to a qualified service technician.

Jul 30, 2012 | Toshiba 32AV502R LCD TV

1 Answer

Turn tv on. green light solid display, no picture or sound


The flashing green light is likely indicative of a self-test failure, indicating the TV has detected some sort of internal fault. With no picture or sound, one strong suspect is the power supply. Flat-panel TV's have an internal DC power supply that converts the inbound AC current, and when these fail, or are unable to supply a minimum level of power to the set, it can behave as you describe, providing only enough power for the green light to illuminate.

Jul 28, 2012 | LG 50PG60UD 50 in. HD-Ready Plasma TV

1 Answer

Montior goes black i turn off the monitor and turn it back on i can do about 2 things and screen goes black again repeat this as many times as i want. Gateway FHX2300 monitor


My monitor has been switching connections on me randomly. Hit the menu button. The one to the left of the power butter when facing the screen. Hit the left arrow twice then hit the menu button again. This will open up the screen where you can choose one of three inputs. I'm going to assume that it is on the incorrect input so use the arrow keys highlight what input you are using and the hit menu button again and your screen should return to normal. Mine only does this randomly when it goes into screen saver, hibernate or sleep. I don't know how to permanently get it to stop doing it though.

Aug 23, 2010 | Gateway FHX2300 LCD TV

1 Answer

Powers on to blue screen and nothing else


press the input button until it cycles through all of the inputs.

Feb 11, 2009 | Mitsubishi VS-50607 50" Rear Projection...

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