Motorola Cable Box and DVI Error

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Motorola Cable Box and DVI Error: I upgraded to HD from Comcast a few weeks ago. I received a new HD box (Motorola DCH-3200) to be able to get 1080i programming. However, when I plugged in the HDMI cable into the TV and cable box, the cable box would always power on, go through the power on self-tests, and then lock up, displaying DUI / DU1 in the display. This, I found out, is the digital display of the word 'DVI'. I googled the error, and only found a few people who experienced it, although there was enough information to infer that this appeared to be some sort of handshake issue between the components. Since HDMI is a digital spec (complete with copyright management -- yay), there is more than just a signal output from the box to the TV. The two have to speak with each other before it will work.

I'd seen issues with people putting a receiver in between the cable box and the TV, and that causing issues because the receiver didn't propagate the signal correctly between devices, but I had a straight connection. However, after much fussing and the arrival of the Comcast technician, we did try an alternate HDMI input on the back of the TV, and that worked like a champ.

I have no idea why another input would work. There is no mention of different specs for the various HDMI inputs on my TV, but all I know is HDMI1 doesn't work, while HDMI2 does. Incidentally, HDMI1 works with my DVD player, just not with the cable box. By the way, I have a Phillips LCD (I forget the exact model number).

/shrug; posted on Monday, March 24, 2008 9:55 AM Print

Comments

# re: Motorola Cable Box and DVI Error: Aaron; 3/24/2008 1:43 PM; Don't you just love 'standards'? And they wonder why anybody older than 45 is TOTALLY intimidated by this stuff!

# re: Motorola Cable Box and DVI Error: John Workman; 3/24/2008 9:43 PM; This sounds very similar to the problem I have with my XBox. I have it set up with HDMI. When I power it off, and then power it back on, it gets the red circle of death if the tv is not set to DVD input. The problem is that I can't switch my tv to the DVD input unless it detects the DVD (my xbox). The xbox fails if it doesn't detect the tv. I then have to power up the xbox. get the error, switch the tv to dvd input, then power down and back up the xbox. What a pain.

your note above about the "handshake" with HDMI helped me realize what was going on with this. Thanks for the enlightenment.
John

# re: Motorola Cable Box and DVI Error: David Barrett; 3/25/2008 12:05 PM; @ John: Yep, I've heard of this happening, too. Quite annoying. At least there's a workaround. :)

@ Aaron; What kills me is that HDMI is an agreed-upon specification! (http://en.wikipedia.org/wiki/HDMI). Oh well, so much for interoperability.

# re: Motorola Cable Box and DVI Error: Naomi Santiago; 6/24/2008 6:10 AM; I found this by putting my error code in my google search bar. Lucky me! I too have a Phillips HDTV. not LCH though. 52" Plasma. I was going to go exchange the cable box, but after your blog I think I'll try option A before packing it up and making the trip. Thanks!

# re: Motorola Cable Box and DVI Error: Mishelle; 8/31/2008 7:49 PM; So glad you had this posted. I was on the phone tonight with one of Comcast's "brilliant" techs for twenty minutes. He asked what it said, I told him "dUI, digital under the influence." He had NO sense of humor. After explaining to him that I had already tried to reset the box, he told me it meant I need a new box. I knew this just could not be right. So I have a tech coming out Saturday (almost a week away) to bring a new box. I knew someone would have a message on this error, and low and behold, here you are! I d/c my HDMI cable from the cable box, reset and *POOF* I have cable again. I will let the tech set up my HDMI cable, but what a joke! I had no really bad internet service for four weeks. I was on the phone with them daily. The fourth tech that came to my house was finally man enough to go into the crawl space (the others had refused.) He found that recent flooding had messed up the connectors. Anyhow, thank you so much for posting this!

# re: Motorola Cable Box and DVI Error: Ben; 11/30/2008 7:39 PM; I am currently having the exact same problem. I get the same error code. The only problem with me is if I switch around the HDMI1 and HDMI2 I get a picture but no sound. I have a new Sylvania 42"flat screen. And the audio outputs are ONLY on the HDMI1 jack. The back of the TV set doesn't have any other place that I can see for switching off the audio to another plug. HELP!

# re: Motorola Cable Box and DVI Error: David Barrett; 12/2/2008 12:09 PM; Sorry, Ben. I got nothing. Perhaps the audio outputs can be switched in an on-screen menu somewhere?

# re: Motorola Cable Box and DVI Error: Ben; 12/3/2008 11:06 AM; Called Sylvania and they told me that(HDMI1)is the only option that TV offers. You can't re-route the RCA jacks to anywhere else on that TV. BUMMER! If I unplug the cable box for a few seconds and then let it sit, it resets itself and is fine again. But this happenes everytime I shut down the cable box. Maybe it's the box itself?

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