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Old 09-04-2013, 01:37 PM   #21
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Wow, what a conversation!! I have made my living in the TV business for 30 years until nobody fixed them any more. I put in cable distribution systems in homes and apartment buildings. I never heard of turning off AGC or reversing it because of the temperature anywhere. AGC stands for Automatic Gain Control folks. The output of a TV amplifier just isn't enough to burn out anything but it can over drive the AGC circuits, cause pulling and tearing at the sides of the picture and a dark picture. But, burn out the input to a tuner; I doubt it. Now, as a ham radio operator and also a technician fixing stereo amps, now - that's another issue where amplifier outputs can do damage and be damaged by incompatible connections. Most cable systems put out analog signals so having the TV look for digital could limit the amount of channels you get. The most likely problem is the TV is set for Antenna when it should be looking for Cable channels.
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Old 09-04-2013, 09:27 PM   #22
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You are right AGC stands for Automatic Gain Comtrol and it is used on amplifiers in our cable plant to help balance out the signal in cold climates. Here in Florida they cause more problems than they are worth. On Gain Maker amps they are shut off.
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Old 09-04-2013, 09:55 PM   #23
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Quote:
Originally Posted by pulpwood007
Quote:
Originally Posted by Seabeecamper
And here in Florida we turn all of our AGC's off. Doesn't get cold enough here to have them on.
In the hot Texas summers we reverse the polarity on them and use them for cooling.
I'm a amateur radio operator also.....................just kidding about above. And I agree this is an interesting thread.
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