Question about SNK Magnavox 42MF438B/27 42 in. LCD TV

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Magnavox 42 inch hdtv does not recognize external speakers

Trying to hook up a vizio sound bar to my tv

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6ya6ya
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Posted on Jan 02, 2017

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budmrtn
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SOURCE: Magnavox 42MF437B 42-Inch 1080p LCD

First place to look will be the power supply module, look for bad caps, check the output DC voltages, it will be an in-depth troubleshooting to narrow down the problem.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Posted on Aug 12, 2010

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1 Answer

Vizio 42 inch smart tv Model # M420sv


You have to check the audio settings of your tv. There would be n option which allow you to choose the option between internal speakers or external speaker. You have to choose it as external speakers of amplifier.
If you wish to get some more details then check the following link
http://electro-medical.blogspot.com/

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I had the same problem, no sound from tv to the sound bar. I hooked up the output for sound from the sound source, your cable tv box or satellite receiver and ran it to the sound bar, and then received sound.

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2 Answers

I just hooked up our Vizio E420VL 42" LCD HDTV.


well if you have cord going to ur u-verse then check your rca jacks red and white and see what inputs they are in and another thing hopefully your sound card has not gone out but let me know what happen

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1 Answer

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My 32" vizio I bought a week ago does the same things.

Buy an external sound system for the tv. Turn the speakers off in the TV menu. Hook the sound system up to the out speaker hookups on the tv.

You will not only have better found, you will fix the speaker buzz problem.

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