Outdoor antenna, two HD tvs-one works great, other missing channels

Lindellmc

Commendable
Dec 15, 2016
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We have an outdoor antenna on roof, a smaller Samsung HDTV and a 55" LG HDTV. We get over 10 channels on the Samsung and only 5 on the LG. We used to get the same amount of channels on both, but recently it is not. We also have a splitter and a line signal booster. Thanks so much.
 

kanewolf

Splendid
Moderator
If connecting before the splitter is impossible, then you will need to use the same cable some-how. Moving them both to the same room and testing them one after the other would also allow you eliminate everything but the set itself.
 

Lindellmc

Commendable
Dec 15, 2016
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1,510
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It's a two way splitter and swapping made no difference. Thanks
 

budwich

Estimable
Oct 30, 2015
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move both sets to before the splitter so that only one set is directly connected to the antenna. Rescan with that set. Then do the same for the other set. This test rules out any cabling and other issue. If the channel count isn't the same, then perhaps the tuner on the set that has lower count is broke or the signal may just be weak enough that a poor tuner can't bring in the channels.
 

Lindellmc

Commendable
Dec 15, 2016
4
0
1,510
0


 

Lindellmc

Commendable
Dec 15, 2016
4
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1,510
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Ok tried that and no changes so I'm thinking it's the differences in the tuners-larger tv (55") is LG and smaller tv (42) is Sansui. Is there something we can add to larger Tv to bring in the signal better?
 

kanewolf

Splendid
Moderator
If connecting before the splitter is impossible, then you will need to use the same cable some-how. Moving them both to the same room and testing them one after the other would also allow you eliminate everything but the set itself.
 

budwich

Estimable
Oct 30, 2015
206
0
5,160
53

hmmm... potentially not BUT you could try an "box /standalone tuner" and then feed that output (via hdmi) to the tv. A standalone tuner might have more sensitivity and be able to get all the "seeable" channels. Their cost is relatively cheap ($30-50) so it might be a reasonable option. Get one from a place that allows returns "easily". There are a number of makers so you might have to find one that is "better than the rest"... but it might not even be an issue... first one / choice might work perfectly fine.

The problem with trying to do things like an in-line amplifier is that it will "amplify" the whole signal, including the noise "floor", which if the tuner that is being fed by the signal is poor, will still have a problem "decoding" the incoming signal.
 
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