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Momentary Black Screen / RNG 200N DVR

Posted by
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‎12-16-2011 11:17 AM

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Message 451 of 534 (5,566 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR

[ Edited ]

If you use the component (RCA) outputs on the RNG 200N you'll get  flashes across your display instead of the black screen when using the HDMI. 

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Message 452 of 534 (5,578 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR

I'd guess... (Yes, I do this a lot but it's often educated and my track record seems to be pretty good )

 

when something occurs (I don't know what that something is.. perhaps an error or time out), some sort of a signal reset or resync takes place which affects the chip that controls/handles the output of the video of both the HDMI and Component video signals.

 

One thing I've noticed with the RNG200N is you can have HDMI, Component, RCA, and Coax out, all connected at once, and each output will be outputting a signal at the same time.

 

Now there are some things that I have not been able to test and looking for some assistance...

 

Do the black outs occur if the RNG200N is connected to a TV via coax? What about RCA? These are 2 types of connections I cannot test on my own. I'm curious if the time outs occur with these 2 types of connecions along with both the HDMI and Component.

 

If I can confirm these, I might be able to take this info directly to Comcast & Cisco.

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Message 453 of 534 (5,581 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR


Agilis wrote:


I'd give myself 10-1 odds that I'm right about the issue you are experiencing. You are simply having signal loss over HDMI like everyone else on this thread is having, and each device you're connected to it, is displaying a screen of static/noise/snow wjhen the signal is lost for the brief moment. 


I'm sure you're right about my signal loss being due to the HDMI connections.  My equipment just happens to display it as snow rather than black.  Still wondering why using a component connection doesn't completely solve the problem.

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Member Since: ‎11-17-2011
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Message 454 of 534 (5,589 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR

Agilis....Somerdale?  That explains it then....i have been to both Cherry Hill office and Voorhees offices and they pretty much laughed at me!  I live in Laurel Springs so I completely understand what your saying.   I live right next to the verizon building off the White Horse Pike and they wont put fios down my street?  Fios internet is horrible but there cable tv is soooo much better.  Comcast needs to wake up and stop robbing us!!!!!

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Message 455 of 534 (5,593 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR


manamok wrote:

The SONY receiver is an older model which just passes the HDMI signal through to the HDTV.  I have to use audio cables from the DVR, Blu-ray player and Roku player to have the receiver process the audio signals.  I have the speakers turned off on the HDTV.

 

There is a potentially HDMI-related issue on another thread of this forum regarding a green screen on Motorola equipment  http://forums.comcast.com/t5/XfinityTV-and-Equipment/HDMI-Green-Screen/td-p/719485

 



I'd give myself 10-1 odds that I'm right about the issue you are experiencing. You are simply having signal loss over HDMI like everyone else on this thread is having, and each device you're connected to it, is displaying a screen of static/noise/snow wjhen the signal is lost for the brief moment. 

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Message 456 of 534 (5,602 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR


ahauman wrote:

 

I join the crusade for heighted Comcast awareness of this issue.


Welcome aboard - the more the merrier!

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Member Since: ‎12-15-2011
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Message 457 of 534 (5,607 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR

I too have the "Momentary Black Screen" issue with my new Cicso RNG200N DVR.  Very annoying.  Going through a SONY HD Receiver using HDMI.  Been thinking about exchanging it back for the ole' Scientific Atlanta 8300 HD I used to have, but capacity and speed is better and I'm hoping for the aledged fix in January mentioned...

 

I join the crusade for heighted Comcast awareness of this issue.

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Message 458 of 534 (5,618 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR


Agilis wrote:

 

Dang! Was hoping I nailed it. Humor me for a little bit though please...

 

The RNG200N connected directly to the 50" Plasma sounds like the issue I described. The SONY Receiver you are using, how old, and is it an HDMI Audo/Video Receiver or simply a HDMI Video Pass-through? 2 key differences. 1 type, processes the Audio and Video from the HDMI, the other does no processing what so ever.

 


The SONY receiver is an older model which just passes the HDMI signal through to the HDTV.  I have to use audio cables from the DVR, Blu-ray player and Roku player to have the receiver process the audio signals.  I have the speakers turned off on the HDTV.

 

There is a potentially HDMI-related issue on another thread of this forum regarding a green screen on Motorola equipment  http://forums.comcast.com/t5/XfinityTV-and-Equipment/HDMI-Green-Screen/td-p/719485

 

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‎12-14-2011 11:06 PM

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Message 459 of 534 (5,631 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR

[ Edited ]

I can confirm that it's not just the Baltimore County and you were right to question that information given to you by Comcast. I live in Somerdale, New Jersey, which is Comcast of Garden State and have this issue.

 

Yes, certain boxes are in use in different regions. Some regions use Cisco (SA) boxes, others use Motorola.

 

Yes, hold onto the RNG200N because with the new additions to the guide we will eventually be getting, it will be too much for the 8300HD to handle.

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Message 460 of 534 (5,632 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR


manamok wrote:
Unfortunately you guessed wrong - in part.  One RNG200N is connected directly to an older SONY 50" plasma with an HDMI cable.  The other RNG200N is connected with an HDMI cable to a SONY A/V Receiver and then by HDMI to a relatively new 55" Panasonic plasma.

 

My third DVR is an SA 8300HD connected by HDMI to a 46" Panasonic plasma.  The 8300 does not have this problem.


Dang! Was hoping I nailed it. Humor me for a little bit though please...

 

The RNG200N connected directly to the 50" Plasma sounds like the issue I described. The SONY Receiver you are using, how old, and is it an HDMI Audo/Video Receiver or simply a HDMI Video Pass-through? 2 key differences. 1 type, processes the Audio and Video from the HDMI, the other does no processing what so ever.

 

The SA 8300HD would not have this issue because the 8300HD uses different hardware and the software was originally developed on the Scientific Atlanta platform/form factor.

 

This issue affects only the RNG200N because it's hardware is so much different than the 8300HD.

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Message 461 of 534 (5,652 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR

update ..... I was given an update on this issue when I contacted Comcast with the following form: http://blog.comcast.com/contact.html.  

The info i received was that this is a known problem in the "Baltimore County area" and a scheduled fix (emphasize scheduled) is due January 24 (2012).  

First, while I certainly am not knowledgeable of the particular software developed - the indication was that when Comcast switched from the Motorola box (?) to the Rng200n, the problem appeared.  

Second, I can only guess then that certain boxes are in play in certain country regions at certain times. Third, I was advised to keep the box rather than trade in for a SA or other older box.  

But the "Baltimore County" thing seems somewhat questionable - I live in Harford County by the way.  

Does this jive with anything anybody else has heard?       

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Message 462 of 534 (5,658 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR


Agilis wrote:
If I were to guess, you have the RNG200Ns plugged directly into the back of the TV sets using HDMI, oppose to being plugged into an AVR (Audio/Video Receiver). By default & design, the static screen/snowy screen is the result of the TV receiving a weak or non signal. FYI, I have my RNG200N connected to a receiver which is connected to an HDTV. When the signal loss occurs, the receiver displays the black screen untl the signal comes back. To confirm, if I turn off the receiver with the TV still powered, the TV displays a message 'Searching for Signals'

 

 


Unfortunately you guessed wrong - in part.  One RNG200N is connected directly to an older SONY 50" plasma with an HDMI cable.  The other RNG200N is connected with an HDMI cable to a SONY A/V Receiver and then by HDMI to a relatively new 55" Panasonic plasma.

 

My third DVR is an SA 8300HD connected by HDMI to a 46" Panasonic plasma.  The 8300 does not have this problem.

Posted by
Edited on
‎12-13-2011 11:45 PM

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Message 463 of 534 (5,666 Views)

Re: Momentary Black/White/Snowy Screen / RNG 200N DVR

[ Edited ]

manamok wrote:
Both of my Cisco RNG200N DVR's will display a momentary static or snowy screen rather than a black screen.  Both connections are HDMI and the static screen is not retained on the hard drive so I can rewind and watch the program normally as dsaul9 mentioned.  The problem can occur several times in an hour or only once or twice an evening.

Repeating what you said, if it does not appear on DVR playback, then it's definitely an issue with the signal coming from the box, and *not* into the box. It sounds identical to what this thread is about, except we are seeing a black screen.

 

If I were to guess, you have the RNG200Ns plugged directly into the back of the TV sets using HDMI, oppose to being plugged into an AVR (Audio/Video Receiver). By default & design, the static screen/snowy screen is the result of the TV receiving a weak or non signal. FYI, I have my RNG200N connected to a receiver which is connected to an HDTV. When the signal loss occurs, the receiver displays the black screen untl the signal comes back. To confirm, if I turn off the receiver with the TV still powered, the TV displays a message 'Searching for Signals'

 

Now some HDTVs have the option to turn off or display a blue screen in the event a channel/source becomes weak. I would check to see if your TV has this option.

 

To recap, your issue is identical to the issue this thread is about but the difference is, your TV is displaying snow for the duration of the 'signal loss' instead of a black screen.

 

Your information is helpful/useful because it has been assumed that everyone with this issue sees a black screen, but in actuality, it depends on how your devices are connected which decides if you see a black, white, or snowy screen.

The subject of this topic should be renamed to:
Momentary Black/White/Snowy Screen / RNG 200N DVR

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Message 464 of 534 (5,681 Views)

Re: Momentary Black Screen / RNG 200N DVR


Agilis wrote:

 

manamok: Please outline/explain to me the difference between the static screen and the black screen. Thanks!


Both of my Cisco RNG200N DVR's will display a momentary static or snowy screen rather than a black screen.  Both connections are HDMI and the static screen is not retained on the hard drive so I can rewind and watch the program normally as dsaul9 mentioned.  The problem can occur several times in an hour or only once or twice an evening.

Posted by
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‎12-13-2011 11:20 PM

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Message 465 of 534 (5,684 Views)

Re: Momentary Black Screen / RNG 200N DVR

[ Edited ]

Good point dsaul9. I forgot to mention that and updated my post to acount for what you said.

 

manamok: Please outline/explain to me the difference between the static screen and the black screen. Thanks!

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‎12-16-2011 11:20 AM

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Message 466 of 534 (5,695 Views)

Re: Momentary Black Screen / RNG 200N DVR

[ Edited ]

Agilis wrote:

manamok wrote:
It serves no purpose to attack others in the thread who are trying to be helpful and informative - we're not all getting the same info from Comcast and we're not all experiencing the exact same problem.  We're all in this together.  Lighten up.

Point taken. Had a rough night and it was wrong for me to attack you and others. I do apologize an please accept my apology.


Apology accepted.

 

Comcast has informed me that they're treating my problem of a momentary static screen as a separate issue from the momentary black screen reported in this thread.  So, I guess one thing I would like to know is if anyone else is getting the static screen version of this problem.

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Message 467 of 534 (5,698 Views)

Re: Momentary Black Screen / RNG 200N DVR

I think u need to add the fact (as pointed out previously in discussions) that when replaying a program on DVR you can get the random 4 second black screen, however if u rewind after the black screen and replay the problem doesn't occur.

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‎12-13-2011 08:48 PM

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Message 468 of 534 (5,701 Views)

Re: Momentary Black Screen / RNG 200N DVR

[ Edited ]

Hello everyone,

 

Comcast won't take notice until there is an overwhelming demand or response from their subscribers demanding a fix for this issue. What Comcast both sees & hears is that there is an issue regarding a black screen, but it's not alarming or critical. Take this very thread for example:

 

The amount of unique subscribers complaining about this issue on this forum alone would only take 2 hands if you were to count them. Compare that to the amount of subscribers using RNG200Ns and you can see that we're not even a blip on the radar when it comes to the overall scheme of things. Now take this one step further by taking into account the many subscribers who are using using HDTV *without* HDMI or component configurations. Now this issue isn't even a spec on the radar.

 

For things to start happening, we need more than 2 pages of unique subscribers complaining about this issue which will be tough - There are a lot of subscribers who don't have the technical background that allows them to troubleshoot the cause of an issue or realize something is actually wrong with their cable box other than it being weather or a random occurrance. The only time subscribers will complain is when there is some sort of outage in their area.

 

We need those who are experiencing this issue that may or may not be on these forums, to post here. The issue needs more publicity which yes, I understand this is easier said than done and but neverless needs to be done.

 

The *only* solution I see to this problem is that we start doing the homework for Comcast. As it was conveyed to me by the board member, it's very difficult for Comcast and Cisco to troubleshoot all the issues because when there is an issue, the majority of the subscribers don't know how to explain or describe the issue they are having correctly. This makes debugging (Stepping/walking through a process or a group of processes using scenarios hoping to find the problem in the process or group of processes) much more difficult if the facts are now detailed enough or incorrect.

 

What I started doing for another issue at the time the Comcast board member contacted me was troubleshoot the issue myself and noting the steps and the results of each step, and attempt different work arounds. For this issue, what I have tested are the following:

 

Cable box w/ HDMI LIVE HDTV: Positive - Both Audio & Video Drop Out

Cable box w/ Component LIVE HDTV: Positive -Video Drop Out Only

 

Cable box w/ HDMI DVR HDTV: Positive - Both Audio & Video Drop Out

Cable box w/ Component DVR HDTV: Positive -Video Drop Out Only

 

Cable box w/ HDMI LIVE SDTV: ?

Cable box w/Component LIVE SDTV: ?

 

Cable box w/ HDMI DVR SDTV: ?

Cable box w/Component DVR SDTV: ?

 

Anyone up for testing on a SDTV signal to see if it occurs? I have been unable to since I just haven't had the time and when I'm home from work, like now, I'm falling a sleep in my chair from excessive rock climbing.

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Message 469 of 534 (5,704 Views)

Re: Momentary Black Screen / RNG 200N DVR


manamok wrote:
It serves no purpose to attack others in the thread who are trying to be helpful and informative - we're not all getting the same info from Comcast and we're not all experiencing the exact same problem.  We're all in this together.  Lighten up.

Point taken. Had a rough night and it was wrong for me to attack you and others. I do apologize an please accept my apology.

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Member Since: ‎12-13-2011
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Message 470 of 534 (5,724 Views)

Re: Momentary Black Screen / RNG 200N DVR

Thanks, manamok - could not have stated it better.  Many of us have a technical background and no full well how to troubleshoot and isolate a problem, as well as research answers. I don't own the STB and have no maintenance contract with Cisco so I certainly can not open an SR with their TAC.  I looked to this forum to confirm whether or not others are seeing this same problem. You don't get a straight answer from Comcast over the phone or in their office, and I've encountered more than a few of their field techs that don't have a clue.   

 

Comcast phone support keeps telling me I have an input signal problem.  Well, it turns out after they decided to do a truck roll that they were right...and thanks to a good field tech with all the proper training and tools I no longer have an input signal problem.  But it did not fix the intermittent black-screen problem and neither the tech or I thought it would because it is obviously the output from the box.  The easiest way to prove this is when the black-screens occur during DVR playback you simply rewind and replay the "bad spot".  On replay its not there, so its the output from the STB to the TV that is dropping the video signal.  I can replicate the behavior simply by pulling the HDMI cable out and reinserting it - the TV behaves exactly the same way on restoration of the signal (displays the Input information and clock) as if I just turned on the TV or switched inputs. 

 

I can not take advantage of the suggestion to switch to component cables since my component input is already used for other equipment.  I have two HDMI inputs and should be able to use one of them for the STB.  It should not be up to the subscribers who pay dearly for cable service to find work-arounds and alternative solutions to known issues.  Based on this and other forums there is obviously a real problem encountered by many subscribers.  Cisco and Comcast need to address and correct it - period.

 

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‎12-13-2011 10:36 AM

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Message 471 of 534 (5,729 Views)

Re: Momentary Black Screen / RNG 200N DVR

[ Edited ]

Agilis wrote:
This makes no sense at all. Are people even reading this thread and what they write before posting? It's not just an HDMI issue, it happens when the TV is connected via component cables.If you're going to complain to Comcast, at least read this forum to get your facts straight before calling them.


Well I did read this thread and found that on 9/24 you authoritatively announced that the problem is "the signal from the RNG200N's HDMI out to the HDMI in on the display device..."  On 9/27 you informed us all that "Switching to component worked for me."  Then on 10/18 and 12/1 we were all disappointed to hear that the problem was still happening with your component cable hookup but "not nearly as often."

 

All I said in my post was that if you don't use HDMI cables you probably could avoid most of these problems.  I didn't say you could avoid all the problems.

 

It serves no purpose to attack others in the thread who are trying to be helpful and informative - we're not all getting the same info from Comcast and we're not all experiencing the exact same problem.  We're all in this together.  Lighten up.

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Message 472 of 534 (5,736 Views)

Re: Momentary Black Screen / RNG 200N DVR

Keisha and All:

 

I had an older Cisco RNG200 (silver) but was having intermittent problems with having to power-cycle it often when it would tell me I wasn't authorized to view a channel I was subscribed to.  I also wanted to be ready for the remote DVR programming capabilities which will be rolled out in my area soon.  So far, I have had *two* new black RNG200 boxes with the same problem - the loss of HDMI video during live TV and DVR playback. I swapped HDMI cables and inputs on my Sony Bravia, and even connected another HDMI device to the same inputs where there was no loss of video observed.  The problem is the set top box. 

 

When I first switched to Digital service from Enhanced Basic Comcast sent a tech because of frequent tiling and video freeze. That tech simply suggested I install an amplifier which improved the situation.  

 

Comcast sent a tech to the house last week who was very thorough. Unlike the first tech, he very quickly found that I had all sorts of loss at the distribution block and at the set top box.  He tested and replaced connectors from my attic to the pole, replaced an old grounding block, then removed the amp and eliminated the signal loss throughout the entire house.  He cautioned that this would probably not fix the HDMI video loss, however. 

 

I still get the intermittent video drop-outs.  He said its the RNG200 and that they are known for this problem.  I'm tired of running back and forth to the Comcast office to swap the boxes (each time making sure to watch all of our recorded content) just to have the same problem. 

 

Comcast needs to get a resolution from Cisco for the problem, push the update out to the boxes and stop wasting everyone's time and energy attempting to isolate and work-around what is a known problem. 

 

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Message 473 of 534 (5,746 Views)

Re: Momentary Black Screen / RNG 200N DVR


dsaul9 wrote:

Boys and Girls:   Just spent an hour on the phone with Customer Service Mgmt on this issue.   Doesn't seem like it is a big deal to Comcast at this point - i.e., not enough complaints.  So I am not expecting a fix anytime soon if ever.   Customer Services recommendation is try the RNG150 box - which i didn't know existed.   Otherwise it is go back to older boxes - which is great except maybe no HDMI and certainly no 3D.  They also said to email corp from the comcast.net website - to try and increase the visibility of the issue.


As more and more people adopt HDTV, especially with the prices of HDTV sets being lower than ever, more and more people will be handed the RNG200N. After the holidays, when those customers start inundating Comcast's phones with black out issues during customer's favorite soap opera, etc. Comcast will act fast.

 

I have no faith in the response you received from Customer Service Management - That person was taking guesses. The patch for the momentary screen is in the works because Comcast technicians are are of the issue. Now who you really need need to speak to is a Comcast Supervisors or Comcast board member. Then you will get some answers.

 

Until then, hold onto your RNG200N, and just keep dealing with the issue.

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Re: Momentary Black Screen / RNG 200N DVR


dsaul9 wrote:

can u use HDMI cables with the box? if so which box did u get?


HDMI works with Scientific Atlanta 8300HD but it's outdated hardware and is incredibly slow compared to the RNG200N as well as severely limited when it comes to internal DVR storage space.

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Re: Momentary Black Screen / RNG 200N DVR


manamok wrote:

I have two Cisco RNG200N DVR's and one SA 8300HD - I don't have the momentary black screen on the RNG200N's but I do have a momentary static screen on both of the RNG200N's.  The SA 8300HD doesn't have that.

 

....

 

The problem is probably related to the HDMI connection between the TV and the box.  If you don't use HDMI cables you probably could avoid most of these problems.



This makes no sense at all. Are people even reading this thread and what they write before posting? It's not just an HDMI issue, it happens when the TV is connected via component cables.If you're going to complain to Comcast, at least read this forum to get your facts straight before calling them.

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Message 476 of 534 (5,762 Views)

Re: Momentary Black Screen / RNG 200N DVR

I have two Cisco RNG200N DVR's and one SA 8300HD - I don't have the momentary black screen on the RNG200N's but I do have a momentary static screen on both of the RNG200N's.  The SA 8300HD doesn't have that.

 

Even with the static screen problem I prefer the RNG200N DVR because it has a much larger hard drive and it is much faster to respond to the remote than the 8300. 

 

Comcast told me that the momentary black screen and static problem require a firmware fix from Cisco and would probably be rolled out sometime in mid-2012.  The problem is probably related to the HDMI connection between the TV and the box.  If you don't use HDMI cables you probably could avoid most of these problems.

 

In any event, the screen disruption is only momentary and not on the hard drive so if you replay the affected area it isn't there.

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Message 477 of 534 (5,765 Views)

Re: Momentary Black Screen / RNG 200N DVR

Yes, it is a Scientific Atlanta Explorer 8300 HD and am using it with a HDMI cable.

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Re: Momentary Black Screen / RNG 200N DVR

can u use HDMI cables with the box? if so which box did u get?

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Re: Momentary Black Screen / RNG 200N DVR

I finally gave up and took my box back to Comcast on Saturday.  The line was literally out the door.  Many of the other customers in line were holding a DVR box and complaining about the issues that we have been experiencing.

 

I was able to trade-in my box for a refurbished SA box.  So far, it works very well with not one back screen.

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Re: Momentary Black Screen / RNG 200N DVR

Boys and Girls:   Just spent an hour on the phone with Customer Service Mgmt on this issue.   Doesn't seem like it is a big deal to Comcast at this point - i.e., not enough complaints.  So I am not expecting a fix anytime soon if ever.   Customer Services recommendation is try the RNG150 box - which i didn't know existed.   Otherwise it is go back to older boxes - which is great except maybe no HDMI and certainly no 3D.  They also said to email corp from the comcast.net website - to try and increase the visibility of the issue.

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Re: Momentary Black Screen / RNG 200N DVR

What issues/incidents does this current patch address?

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Message 482 of 534 (5,865 Views)

Re: Momentary Black Screen / RNG 200N DVR

dsaul I would highly suggest contacting Comcast. Speaking from experience, ask to speak to a manager of some sort, as high up as you can go, and ask them for some type of compensation. Explain to them with technical facts what your viewing experience has been like. Comcast took care of my parents, they should be able to do the same for you.
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Message 483 of 534 (5,888 Views)

Re: Momentary Black Screen / RNG 200N DVR

fyi .... i have the same occasional black screen with this s/w version.   We should get a reduction on our monthly bill while this problem exists.   Maybe that will speed the fix process. 

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Member Since: ‎09-06-2011
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Message 484 of 534 (5,894 Views)

Re: Momentary Black Screen / RNG 200N DVR

Well, this is disappointing. If the patch that we have been waiting for doesn't address this issue, when will a patch that fixes this issue be released?
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Message 485 of 534 (25,742 Views)

Re: Momentary Black Screen / RNG 200N DVR

Based on what I've been told by Comcast the software patch does not address the momentary black screen issue.

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Message 486 of 534 (25,745 Views)

Re: Momentary Black Screen / RNG 200N DVR

Connected through component, just experienced a momentary blank screen just like I used to experience. However, I have not seen multiple, or 1 after another. So it happens, but now it's less frequently.

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Message 487 of 534 (25,780 Views)

Re: Momentary Black Screen / RNG 200N DVR

Hello everyone, I just got home from the rock gym and decided to check out the RNG 200N configuration and it has been updated sometime last night because the S/W Version has definitely changed. It now reads: S25p3.1109.r-27 I will wait to see if I have any momentary blank screens with this update since I was having a slew of them, some nights were worse than others, before switching back to HDMI. I'll post back with an update.
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Message 488 of 534 (25,895 Views)

Re: Momentary Black Screen / RNG 200N DVR

welcome to the club!

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Message 489 of 534 (25,899 Views)

Re: Momentary Black Screen / RNG 200N DVR

I have had the software patch for about a week now and have noticed improvement in the recording and playback issues that I was experiencing before.  I can now record two shows and watch a recorded show at the same time without the recordings being shortened or not being recorded at all.

 

However I am still experiencing something similar to the "momentary black screen" that is the subject of this thread.  I'm getting a momentary gray screen for a few seconds and then the normal picture returns.  If I replay the scene the blank screen is not there so I know it wasn't in the recording or the transmission.  It seems to be coming from the cable box. 

 

Both of my Cisco RNG-200N boxes do this - my SA Explorer 8300HD box does not. 

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Message 490 of 534 (25,919 Views)

Re: Momentary Black Screen / RNG 200N DVR

My RNG200N was powered off last night, not by me, so I was hoping the software was updated but the version has not changed. Checking Configuration returns the following revision:

 

S25p2-7.1013.r-52

 

Oh well. I'll keep waiting.

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Message 491 of 534 (26,006 Views)

Re: Momentary Black Screen / RNG 200N DVR

I'm in sw Florida and no upgrade here yet.  Hopefully it will be soon.

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Message 492 of 534 (26,031 Views)

Re: Momentary Black Screen / RNG 200N DVR


dsaul9 wrote:

So they are done automatically, i.e., i don't have to request upgrades?


Yup, the software upgrade is done automatically.

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Message 493 of 534 (26,034 Views)

Re: Momentary Black Screen / RNG 200N DVR

So they are done automatically, i.e., i don't have to request upgrades?

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‎11-18-2011 08:58 AM

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Message 494 of 534 (26,036 Views)

Re: Momentary Black Screen / RNG 200N DVR

[ Edited ]

dsaul9 wrote:

Can u tell me how to get the software upgrade?


My understanding is that it's being done geographically - I'm in Eastern Mass.  It's supposed to be completed by the end of the year.  Check your version number a couple of times a week so you'll know when it's done.

 

Good luck.

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Message 495 of 534 (26,039 Views)

Re: Momentary Black Screen / RNG 200N DVR

Can u tell me how to get the software upgrade?

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Message 496 of 534 (26,057 Views)

Re: Momentary Black Screen / RNG 200N DVR


dsaul9 wrote:

Can u tell me if you had the random 5 sec black screen problem, and if so, did the new release seem to eliminate this issue.  thx


I did not have that problem - my problems were mostly related to incorrect recordings.  Either programs were not recorded completely or they weren't recorded at all. 

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Message 497 of 534 (26,077 Views)

Re: Momentary Black Screen / RNG 200N DVR

Can u tell me if you had the random 5 sec black screen problem, and if so, did the new release seem to eliminate this issue.  thx

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Message 498 of 534 (26,081 Views)

Re: Momentary Black Screen / RNG 200N DVR

I have some of these problems with my Cisco RNG-200N DVR's.  I received a recent email from Comcast and was told the following:

 

"The software patch that is being released now begins with S25p3 and ends with .r-27.  The .r-27 release will be consistent for all SA and Cisco branded cable boxes."

 

My update took place two days ago - it seems to have fixed the issue I was having with recording two shows simultaneously while watching one I had recorded previously.

 

You can check the software version on Cisco boxes by going into the menu and selecting "configuration" on the cable box setup option,

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‎11-17-2011 01:37 PM

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Message 499 of 534 (26,093 Views)

Re: Momentary Black Screen / RNG 200N DVR

[ Edited ]

Keisha cannot confirm anything because then comcast would be accepting responsiblily for faulty CISCO RNG200N boxes they are pushing on us.    You are all wasting your time calling customer service or having a tech come out to your house and waste your time.   IT IS A BOX ISSUE!   Keisha....use your status as an admin to get this issue resolved.

 

 

                                           -------------CISCO RNG200N = COMCAST JUNK-----------

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‎11-17-2011 04:09 PM

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Message 500 of 534 (26,221 Views)

Re: Momentary Black Screen / RNG 200N DVR

[ Edited ]

I have the same issues. It seem to have some relation to the video format.  With SD 480 channels like History or Military it will happen every 2 mins.  It occurs less on HD and may go an entire program without a drop on HD local network stations like ABC/NBC/CBS.  It happens constantly on HDMI and and with 2 different tvs hooked up.  Using a component hookup still gives problems, but far fewer and they are pixelation and breakup, rather than complete drop-outs.  Another tv hooked direct to cable and viewing the Clear QAM stations never shows any drops.

 

Comcast techs have been out 4 times, taken readings from drop box to tv - all were very good.

Comcast has run a new cable from the house box to the room (at my expense). All cable ends and splitters replaced - took more readings.  Still having the same Black-Out problems. Replaced my Motorola DCH3200 box with another (refurbished) which didn't work, then put in a RNG110 (refurbished).  By that time he had been here about 2 hrs and wanted to go home - after a quick test, he declared it fixed and left.  When I watched later that night, the problems were still there.  Watching tv while as I write this - had 5-6 drops during that time - make that 7 - just had another one!

 

I have monitored the In Band Status on different channels and over several days.

SNR can be between 34 and 40.  Signal dBmV can really vary - recorded levels between +4.0 and -11.7

 

So - new wiring and connections, 3 different cable boxes tried, 2 TVs tried, signal strength very good according to all the techs, HDMI and component both effected by glitches.

 

Interesting that the problem occurs so often on niche channels like Military & History and far less on popular HD channels.  Could Comcast be dropping the data rate so low on less popular channels that video buffers are running dry and causing the drop-outs??

 

UPDATE:

 

Latest tech was a "lead" - he was able to watch the problem occur, took all the usual readings and couldn't figure it out either.  He concluded that I shouldn't be using HDMI - stick to component cables.  He also felt that the pixelation and breakups on component are due to old underground cables in my neighborhood.

 

Found the solution to the HDMI issue myself. 

There seems to be a bug in Comcast's implementation of the Consumer Electronic Control part of the HDMI protocol.  The CEC is supposed to allow the cable box to communicate with the HDMI device (tv) and read what capabilities the tv can handle.   I went into the cable box HDMI setup menu and changed "Auto Detect" to Disabled - then went into the HDMI Display Capability settings and turned off 480i and 480p, leaving 1080i and 720p on.

Switched back to viewing and watched for 2 hrs without a drop-out.  Went back into the cablebox and turned "Auto Detect" and the 480 res on - lots of dropouts again.   Changed the settings back and problem fixed.   It would seem that the periodic "Auto Detection" is the culprit.

 

Now if I can just get Comcast to dig up my neighborhood and run new cables, I'll be all set!