Question about Philips Magnavox 42MF521D/37 Television

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Magnavox 42MF7000/17 Green Stripes Pixel down section of display

Blue screen or while watching, display has a an approx 3 inch wide green
section running vertically (top to bottom) starting about 9 inches in from the left.

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  • mario fanelli Feb 20, 2009

    I have a blue screen on all the inputs, but on the 1080 input i have a green screen and voice, but no picture. All cables are hooked up correctly. What can i do?

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Possible Defect in programing. Call Manufacturer for possible support in Updating Firmware.

Posted on Jan 18, 2009

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Posted on Jan 02, 2017

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Sony Bravia flat screen TV when turned on has black screen. Green light on the bottom is lite up, electric plug is plugged into house socket, no picture only black screen.


If audio is OK, the fault is with its backlight section. If audio too is absent, the fault is with its digital main board. If you wish to get more details visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
http://homenol.blogspot.com/

Jan 08, 2017 | Sony Televison & Video

1 Answer

Samsung plasma TV model #pn42b400p3dxza problem with no image. The TV has sound but no image. I've tried using other components on the TV like RCA jacks with a separate TV digital tuner. Thank you


The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
Check whether Va & Vs voltage come to the display panel, from the main power supply regulator board. If not, the SMPS board [power supply regulator board] is faulty.

Jan 08, 2017 | Samsung Televison & Video

1 Answer

My sony wega kf-50E200A tv keeps turning off. during each cycle the green light blinks 42 times and the tv comes on again for about 3 minutes and it happens all over again


More than likely the power supply is defective, but without testing and the repair manual that is just a guess, you make the decision to replace or repair the TV.

Jan 07, 2017 | Sony KF-50E200A TV Lamp with Housing

1 Answer

I was using my Samsung LCD 40" - LE40M86BD [R] when it just switched off and wouldn't come back on. What could it be? Thanks guys


Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. . If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Jan 07, 2017 | Samsung Televison & Video

1 Answer

The color on my TV is all pink. I have tried a hard reset but it didn't help.


Your TV has lost a GREEN color from a basic color palette (Red-Green-Blue). It is often caused by:
- damaged LCD cable (which connects the display with a signal board inside the TV),
- damaged video signal cable (ex. SCART, HDMI, VGA),
- damaged video processor (on the signal board).
I can't give you a more accurate answer, because I don't know what is your TV mark and model and, in what situations you have the problem.

Jan 19, 2015 | Televison & Video

1 Answer

Sony bravia shuts off


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Aug 30, 2014 | Televison & Video

1 Answer

5 digit number for phillips tv


The 5-char Direct Philips Magnavox Universal Remote Code Entry is: PM335.

the Phillips tv (3 digit) code choices are: PHILIPS ..... 002 009 109 202 209 210 310 402 408 508 510 807 901 914 917

Hope this helps! (Here's the link to same...)

Jul 09, 2014 | Televison & Video

1 Answer

How can I fix blue dots on my Sony TV screen?


Seems like a problem with a lot of Sony TV's. Wish i could be of more help, but check this site. Your not alone! Sony LCD Rear Projection TV Problems hope this helps!

May 23, 2014 | Televison & Video

1 Answer

I have a toshiba LED TV Model 40PB200, i bought it two months now. Recently, the audio in port started producing a sound as if microphone is on and the VGA for computer flickers when i connect a laptop on...


One thing is that unless it is usb you should always have the devices powered DOWN before connecting them via" wire electric data cables". it only takes 3 static volts of electricity to damage a circuit board. when you zap you buddy when you wear sox its 20 to 30,000 volts of static electricity so 3 volts would not be known let alone felt or seen. Power down and you will be well not you .

Sep 30, 2013 | Televison & Video

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