Electromagnetic field and LCD-TVs

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SUMMARY

Medium tension electromagnetic fields do not cause permanent damage to LCD TVs, as confirmed by Nuno Silva. Unlike CRTs, LCD screens are not affected by magnetic fields in the same manner. However, electrical interference from appliances, particularly noisy motors like those in refrigerators, can introduce signal noise that may impact TV performance. Therefore, the concern regarding the placement of the TV in relation to electrical cables is largely unfounded.

PREREQUISITES
  • Understanding of LCD technology and its differences from CRT technology
  • Basic knowledge of electromagnetic fields and their effects
  • Familiarity with electrical interference and its sources
  • Awareness of signal circuitry in electronic devices
NEXT STEPS
  • Research the impact of electrical interference on LCD TV performance
  • Learn about electromagnetic fields and their effects on electronic devices
  • Investigate noise reduction techniques for home electronics
  • Explore the differences between LCD and CRT technologies in detail
USEFUL FOR

Homeowners considering the placement of LCD TVs, electricians assessing electrical interference, and anyone interested in understanding the effects of electromagnetic fields on electronic devices.

ftnunosilva
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Can a medium tension electromagnetic field cause permanent damage to LCD tvs?

I am about to buy a LCD to my living room, but the builder said that, because of the electric cables in the wall having medium tension, it could cause an electric field that can ruin a LCD screen. Is this true?

If so, how far must I place de TV?

Thank you

Nuno Silva
 
Engineering news on Phys.org
No magnetic fields do not effect an LCD in the same way as a CRT.
Having said that, it is possible that electrical interference from other applicances could add noise to the signal circuitry in the TV.
This tends to be more of a problem from noisy electrical motors in things like fridges rather than power cables in the wall.
 

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