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Screen tearing with HDMI switcher
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| Topic: | Screen tearing with HDMI switcher This thread has 8 replies. Displaying all posts. |
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| Post 1 made on Friday January 12, 2018 at 06:44 |
Krassyg Long Time Member |
Joined:
Posts: | April 2005
264 |
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I have a problem with a FIOS cable box and an HDMI switcher. The bottom half of the screen tears once in a while similar to a PC game running on underpowered GPU. The other devices are fine with the same switcher and TV. Swapped the cable, same thing. At this point I am thinking problem with the cable box. I can't easily swap it since the client has a lot of content that he wants to keep. Before I start looking into HDMI or Component recording for him do you guys think this might be caused by something else? The bottom half of the image moves to the right for a second every once in a while.
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| Post 2 made on Friday January 12, 2018 at 07:23 |
3PedalMINI Loyal Member |
Joined:
Posts: | July 2009
7,860 |
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Have you tried the cable box directly to the tv? Did you try swapping the inputs on the switcher and TV? Is it on all devices or just the cable box? What brand is the switcher and TV?
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The Bitterness of Poor Quality is Remembered Long after the Sweetness of Price is Forgotten! - Benjamin Franklin |
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| Post 3 made on Friday January 12, 2018 at 09:23 |
highfigh Loyal Member |
Joined:
Posts: | September 2004
8,322 |
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On January 12, 2018 at 06:44, Krassyg said...
I have a problem with a FIOS cable box and an HDMI switcher. The bottom half of the screen tears once in a while similar to a PC game running on underpowered GPU. The other devices are fine with the same switcher and TV. Swapped the cable, same thing. At this point I am thinking problem with the cable box. I can't easily swap it since the client has a lot of content that he wants to keep. Before I start looking into HDMI or Component recording for him do you guys think this might be caused by something else? The bottom half of the image moves to the right for a second every once in a while. Try another TV, too.
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My mechanic told me, "I couldn't repair your brakes, so I made your horn louder." |
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| Post 4 made on Friday January 12, 2018 at 09:36 |
Fred Harding Super Member |
Joined:
Posts: | October 2001
3,459 |
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I tend to blame the cheapest component first. Switcher would be my first look.
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On the West Coast of Wisconsin |
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| Post 5 made on Friday January 12, 2018 at 19:38 |
tweetymp4 Select Member |
Joined:
Posts: | March 2003
2,139 |
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Try different resolutions on the cable box? Worked for me on a recent similar issue with a new tv and a cable box.
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I'm Not an engineer, but I play one on TV.
My handle is Tweety but I have nothing to do with the organization of similar name. I just had a really big head as a child so folks called me tweety bird. |
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| Post 6 made on Friday January 12, 2018 at 20:46 |
Speaking of switchers, does anyone know of a 5X1, 4X1, etc. that doesn't provide a ton of RF noise and make URC and RTI remotes work horribly? Snap AV and Wyrestorm are out.
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See our Youtube page for info about smart homes, great audio and more. [Link: youtube.com] |
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| Post 7 made on Saturday January 13, 2018 at 06:10 |
Brad Humphrey Super Member |
Joined:
Posts: | February 2004
2,597 |
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On January 12, 2018 at 20:46, punter16 said...
Speaking of switchers, does anyone know of a 5X1, 4X1, etc. that doesn't provide a ton of RF noise and make URC and RTI remotes work horribly? Snap AV and Wyrestorm are out. LOL, I had the exact same problem when I used a Binary 5x1 HDMI switch awhile back. I swaped it out for Brent's Ethereal 5x1 HDMI switch and it worked perfect with no interference to the URC antenna.
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| OP | Post 8 made on Sunday January 14, 2018 at 17:04 |
Krassyg Long Time Member |
Joined:
Posts: | April 2005
264 |
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The TV is Samsung LED 1080p from about 10 years ago; don't remember the brand of the HDMI switcher. The other cable box, apple tv and blu ray work fine with the same TV and switcher. The only other thing I haven't tried yet is swapping the HDMI inputs of the two cable boxes just to rule out a bad HDMI input on the matrix. It just doesn't look like an HDMI issue; the problems that I've seen in the past would affect the entire screen(sparkles, green screen, flickering etc). This feels like an internal issue with the cable box since only the bottom of the screen is affected.
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| Post 9 made on Thursday February 1, 2018 at 10:07 |
Thx!
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See our Youtube page for info about smart homes, great audio and more. [Link: youtube.com] |
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