I have comcast digital cable and 2 boxes. The tv upstairs gets less channels and I don't know why. Signal strength?

I have comcast digital cable and 2 boxes. The tv upstairs gets less channels and I don't know why. Signal strength?

It does not matter which box is upstairs. I just can't receive some channels upstairs. I get the "one Moment please" window.

Asked by Drathar 25 months ago Similar questions: comcast digital cable boxes tv upstairs channels Signal strength Entertainment > Television.

Similar questions: comcast digital cable boxes tv upstairs channels Signal strength.

Why not call Comcast and have them do a signal strength check In all CATV/Video setups there is a video signal source, (Antenna/VCR/etc. ) and a video signal destination (TV/VCR/etc. ). The longer the distance from the video signal source to the video signal destination the more video signal loss. A video signal's strength is measured it an amount known as dB.

This amount can be calculated. You should attempt to compensate for the overall dB loss of signal in your installation. You should also use a tilt compensator for every 250 feet of single run RG6 coax cable.

Calculating dB Loss ****************************** * Cable dB Loss * * + Splitter dB Loss * * + Tilt Compenstor dB Loss * * + Any Other dB Loss * * -------------------------- * * Total dB Loss * ******************************Splitter 1x2 * 4.5 dB Splitter 1x4 * 9.0 dB Cable * 5.9 dB/100ft Sources: http://www.hometoys.com/htinews/dec96/articles/moses/catv.htm .

Comcast to continue digital cable upgrades Thursday Cable giant Comcast is set to complete the digital upgrade of most of its channel lineup this week - a process that requires cable TV customers to acquire free equipment to ensure uninterrupted service. Channels 36 through 72 will be upgraded from analog transmission to digital on Thursday. Comcast basic cable customers without a digital cable box or digital adapter may lose service when the upgrade occurs.

Customers are being offered up to three devices for free. “We want to make sure our customers have the equipment,” Comcast spokesman Patrick Paterno said. “Comcast is offering customers free digital equipment for up to three TV sets.”The upgrades, which affect most Washtenaw County municipalities, enable Comcast to free up transmission space to offer additional high definition channels and faster Internet.

But the first round of upgrades in October inspired frustration in some users, including TiVo users whose digital video recorders may lose some functionality due to the upgrades. “All our competitors are already digital,” Paterno said. The upgrades come one month after Comcast upgraded 13 channels from analog to digital.

Paterno said NBC, CBS, Fox and ABC will continue to be provided in analog format. For more information, go to Comcast.Com/digitalnow, call (877) 634-4434 or visit the Comcast office at 4659 Washtenaw Ave. The switch does not affect limited basic cable customers, whose service will continue to be provided in analog format.

Sources: http://www.annarbor.com/business-review/comcast-to-continue-digital-cable-upgrades-thursday/ .

1 You could be right. Get technical help and they will use a signal meter.

You could be right. Get technical help and they will use a signal meter.

2 I don't think that is your problem, call Comcast and have them come out, there is no charge for a service call if something is wrong.

I don't think that is your problem, call Comcast and have them come out, there is no charge for a service call if something is wrong.

3 Digital is either there or it isn't. If you had an analog system, a weak signal would show up as a snowy or noisy picture. You probably have too much attenuation between the point of entry for your cable and the cable drop upstairs.

If you live in an older house, your cabling might not be up to snuff; RG-59 was commonly used in the 70s and 80s for interior cabling, but you need RG-6 for digital. The cable guy might be able to solve the problem by amplifying the signal at the entry point. If not, you may have to string new cable to get good reception upstairs.

Digital is either there or it isn't. If you had an analog system, a weak signal would show up as a snowy or noisy picture. You probably have too much attenuation between the point of entry for your cable and the cable drop upstairs.

If you live in an older house, your cabling might not be up to snuff; RG-59 was commonly used in the 70s and 80s for interior cabling, but you need RG-6 for digital. The cable guy might be able to solve the problem by amplifying the signal at the entry point. If not, you may have to string new cable to get good reception upstairs.

" "I have HDTV service through my cable TV service. This morning four of my digital channels wouldn't work (black screen). " "My cable box uses channels 1-999, but my digital TV (without the box) uses HYPHENATED channels, like 100-2.

How to match" "How do I connect my TV, surround sound/dvd player, and comcast digital cable box together using one HDMI cable?" "my cable tv input is broken off, is there another way to get the cable signal to my tv?

I hooked TV up to monitor with S-Video cable, can someone tell me how to get a signal on tv.

I have HDTV service through my cable TV service. This morning four of my digital channels wouldn't work (black screen).

My cable box uses channels 1-999, but my digital TV (without the box) uses HYPHENATED channels, like 100-2. How to match.

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