Question about Mitsubishi WS-55613 55" Rear Projection HDTV
My ws55613 has horizontal lines when we first turn on set. They disappear after a minute or two. This has been going on for a while, any suggestions?
That's almost always due to RF interference from an electric motor. It
doesn't even have to be close to your TV, just operating on the same
circuit or near a poorly insulated wire, which acts as an antenna,
injecting 60Hz (and harmonic) noise into the power supply.
If it's right next to the TV it will be even more pronouced because the RF interference resonates into the TV circuitry itself, not just the power supply to the TV.
Typically a high current AC motor like a vacuum cleaner, refrigerator, dehumidifier, air conditioner, furnace, etc.
Posted on Oct 18, 2007
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