Channel Master 3414
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OK, great, thanks for answering all the questions. I think the best thing to do at this point is to obtain a UVSJ and rewire your system as I have shown on the bottom of the attached drawing. It will be real simple to do. You will be putting in the UVSJ where your combiner/splitter is currently located and replacing your distribution amp with the combiner/splitter (you can always put the distribution amp back in if you need to). You already have plenty of amplification with the preamps and the distribution amp might be overkill. I think the UVSJ has a good chance of resolving your problem.
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Thanks for all your patient help, Tim.
Although there are 4 TVs, only 2 regularly watch OTA. My son watches the local news on a 3rd but that's all. I have 5 UVSJs ordered so will need to wait until they get here. Could I replace the 3414 with something like this; a 4 outlet non powered splitter so all TVs had antenna access? https://smile.amazon.com/5-2300-Coax...sr=1-4-catcorr I really, really appreciate your help as well as everyone else. Will check back after I get the UVSJ |
Yes, the 4 port splitter would work fine.
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Thank you, again
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The LNA200 uses a power inserter, but the LNA100 does not use a power inserter. The USB power for the LNA100 goes directly into a connector on the amp housing.
http://www.winegard.com/help/images/8/8a/2452286.pdf Some UVSJs pass power on the UHF side and some pass power on the VHF side. The Radio Shack and Antennas Direct UVSJs pass power on the UHF side. My guess is that the ASKA only passes power on the VHF side. The location of the power inserter for the PA18 is critical. It might be necessary to use the ASKA UVSJ after the power inserter for the PA18. https://www.antennasdirect.com/cmss_...L_20130301.pdf Quote:
https://forum.tvfool.com/attachment....8&d=1555291096 http://i.imgur.com/uVHwqcw.jpg |
Thanks for that, Rabbit73.
I believe Tim's diagram shows the UVSJ after the power inserters for both leads. |
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Thank you, Tim.
Looking forward to receiving the parts and testing this |
One last question, please?
(Until the next last question) Rabbit73's post just made me wonder something. I have an Antennas Direct Combiner. Also located my second PA 18 preamp. Would the Antennas Direct combiner work and not need the UVSJ? I would put the Pa 18 pre amp on my VHF and eliminate the Winegard. |
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If the name of the Antennas Direct component is a combiner it is probably not a UVSJ so do not use it unless it says it to UVSJ |
Thanks for the fast reply, Bob.
Here's what it says on the site. It says diplexer on the picture Quote:
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I see that, now.
I wouldn't have thought of it but would have put the UVSJ on the TV side of the inserters since that is where they combine |
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The feed line frum the ANTENNA to the amp if 52 inches long will increase the vh F RECIVE. ?? |
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Referring to your original drawing, Tim.
The UHF antenna has the Antennas Direct PA 18 preamp on the mast. The power inserter is before the splitter/combiner inside. The VHF antenna is using the Winegard preamp. Using Rabbit73's explanation above for the LNA 100, it is also on the antenna side of the splitter/combiner. Hope this is the info you were looking for. Thanks. PS: First opportunity, I will replace the Winegard with my second PA 18 preamp |
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"With only the channel master, I get no UHF stations. 9 9 WTOV 13 13 WQED 19 11 WPCW" Looks like you were picking up your high VHF stations with no problem using the LNA100 amp. If it's working don't change it. Don't confuse UVSJ and combiner. They perform completely different functions. The UVSJ will hopefully isolate your two antennas from each other and eliminate the signal degradation you are experiencing. Using a combiner to combine two antennas usually does not work well. |
Blackstone, in an earlier post you said you had the PA18 mounted on the mast of the DB8E and then 3 ft of cable connecting the preamp to the splitter/combiner. You also said the splitter/combiner was in your basement. Can you confirm that the 3 ft of cable is correct? That just doesn't seem right to me.
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Sorry for any confusion.
The PA 18 is connected to the DB 8E with a 3' cable. Then 50' cable is connected to the PA 18 to the power inserter with 3' cable to the combiner Thanks for clarifying the UVSJ. As you can tell, I understand as much about electronics as I do rocket surgery |
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