Question about Akai LCT2701AD Television
I just purchased a used Akai 27" LCD HDTV Model # LCT701. Now that it is powered up, there is a hum coming from the speakers. I know it is from the speakers because it goes away when I use the mute, and when I wiggle the cable connection I can hear the hum change, as if it is coming in with the cable signal.and it goes away completely when I disconnect the cable as if it is some sort of misread signal.
Also, I screwed the coax cable into the only screw jack on the back, labeld "rf input" but for some reason am not able to get more than one channel. when I choose sources and roll through the sources with the remote, most show "no signal", except for the DVD. here is a list of the screen shots and what they say.
VGA - blue screen - text reads - main no signal
AV - blue screen - text reads - Main no signal
S- video - blue screen text reads - main no signal
Component - blue screen - text reads - main no signal
Channel 5 - Dr. Phil followed by Oprah
I am wondering if I am plugged into the right port and also if I need a filter to stop the buzz? Maybe I'm plugged into the wrong place and the signal is being misinterpreted as noise?
Thanks in advance for any ideas.
The RF input is the correct one for a cable signal. The other sources use the RCA and other ports which you can connect to other devices, like DVD or VCR players.
If the humm noise only happens when you're on the TV channel then it's likely just the station. Try changing the channel and see if that helps, and make sure the coax is screwed in all the way. Also make sure the other end, if connected to a VCR or other stuff, is tightly attached. If you share cable with many other people and the signal has snow (white spots on the TV), then you may need to buy an RF signal amplifier to reduce the noise.
Source changes the input (RCA versus coaxial versus component inputs), change the channel for different channels..
Posted on Jan 31, 2008
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Posted on Jan 02, 2017
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