Question about Philips Magnavox 42MF521D/37 Television

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42mf231d/17 fails to turn off manually or w/ remote.

Unit will not turn off manually nor w/ remote. Image and sound go off, power indicator stays on and screen appears to be energized. Any suggestion will be appreciated. Thanks. My Magnavox 42MF231D switch turns blue then goes off when I first plug it in. after that it wont come on at all unless I unplug it then it does the same thing again. Can anybody help me please?

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My remote does not work at all. Also I can not change inputs using the buttons on the top of the set. I even bought a Harmony Universal Remote. The results are still the same...no response.

Posted on Nov 27, 2009

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Magnavox suggests unplugging the tv for exactly 10 minutes to reset the tv---try that---or call the service number for assistance

Posted on Jan 18, 2009

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No picture or sound magnavox 42MF231D/17 only 2 of the green blinking lights are working


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/

Oct 10, 2015 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

Whont turn on


The power switch could be defective but more likely the power supply is failing

Feb 18, 2013 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

My Magnavox 42MF231D 42" T.V


You may have a weak power supply. This would indicate one or two capacitors that are weak or bad. This model may be about 4 years now and this is a good indicator as these capacitors need replacing. The other problem may be the infared board in the TV that receives the signal from the remote may be a problem as well. I would certainly investigate my first thought. The latter is kind of rare. Thanks for asking and show a few hands of support.

Nov 29, 2010 | SNK Magnavox 42MF231D 42 in. Plasma TV

6 Answers

42mf231d/17 no video


Hi,

This is a Common Problem on this Model. If you are handy with Electronics and know, How to do Soldering, you could Open the TV and Check the Power Supply Board. You need to have a Multimeter / Voltmeter to check the continuity across the Resistors. Usually on Occasions, you could Find Defective Resistor with a Naked Eye as it would be Bulged/ Leaked / Swelled. Take a note of the Part Number and Order the Same Online or Go to Local Hardware Shop or Radio Shack to Buy that. Solder them and it is all set.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Dec 11, 2009 | Philips Magnavox 42MF521D/37 Television

1 Answer

42'' Magnavox 42MF231D/17 with picture/sound problem


Hi my name is Roety,
I can help you with your issue ,
Sounds like a bad SSB small signal board
login as a guest and check price and availability at
encompass.com  
 
 
If I have helped you with your issue please click accept.
If you have more questions you can still respond until this post expires,
I will reply asap
Thanks

Oct 31, 2009 | Philips Magnavox 42MF521D/37 Television

1 Answer

I cant convert my 24" ViewSonic remote to my Comcast remote


Try and re-do your codes for your remote. If you don't have the codes try this.
Here you go. This will work with most all universal remote controls. If you don't have the code do the following:
Automatic Programming
With automatic programming, the remote control tests all the codes available on the Code List and assigns the correct code for the selected device. Although this method can be more time-consuming, it eliminates the need to look up codes and enter them manually.

1. Turn off the device with which you want to use the remote control.

2. Press and hold the corresponding button on the remote control
(TV, VCR, SAT, DVD, CAB or AUD) until POWER INDICATOR illuminates. It should take a couple of seconds for the light to remain solid. The remote control is in programming mode.

3. Press and release power button. The POWER INDICATOR flashes once and stays on indicating the unit is in Power Scan mode.

4. Press CHANNEL up or CHANNEL down repeatedly until the device turns on.

5. When the device turns on, press OK to store the code.

Note:
• To exit without storing the code, press BACK.
• T he unit will search for the next code or the previous code if you press
CHANNEL up or CHANNEL down after the device turns on. (go slow you need to press OK when the TV turns on) if you mess up turn TV off and start over.
6. Press any other button. If the device responds, the remote control has been programmed. If the device does not respond, repeat steps 2-5.

Fill free to ask me questions about anything..........................

Sep 25, 2009 | ViewSonic NextVision N3260W 32 in....

1 Answer

Magnavox 42MF231D/17, screen just turned black,


power supply or inverter board failing if the power board is the problem it will have blown caps
little cans with puffy tops because the caps have vented if you don't see that then your inverter has died that model id out of production so try shop jimmy. com

Sep 22, 2009 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

Wont turn on


have an overload or something in the power supply that I suggest you check it for damage

Aug 22, 2009 | Flat Panel Televisions

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