So I got my DB8e mounted in my attic and found that I wasn't getting any signal to my tuner when running through the CM7777. I removed the CM7777 from the chain and 32 channels showed up. I went through the process of testing the voltage on the power inserter, cables, etc... everything looked good at ~22 VDC all the way up to the preamp connection point. So either the amp was dead over overloading (I'm leaning towards overloading). In any event, it was returned.
I've swapped it out for an RCA TVPRAMP1R. Here's what I see when testing the signals in the hdhomerun config (gui) app:
Channel | Signal Strength w/o Preamp | Signal Quality w/o Preamp | Symbol Quality w/o Preamp | Signal Strength w/ Preamp | Signal Quality w/ Preamp | Symbol Quality w/ Preamp
2.1 80%/98%/100% 100%/98%/100%
4.1 73%/98%/100% 100%/98%/100%
5.1 78%/98%/100% 100%/100%/100%
7.1 50%/51%/100% 91%/57%/100%
9.1 61%/45%/0% 46%/41%/0%
So... it is clear that the TVPRAMP1R is helping my UHF channels. 9.1 (WMUR) isn't coming in, so I'll have to set up something separate to get VHF.
Now, on to my problems! I have pixelation/stutter on my UHF channels. They're very nice looking, but every now and then the screen will show a few jaggies and/or the sound will break up. It reminds me of when my signal was too weak on my Ceton cableCARD tuner. I see this even on 5.1 which seems to be my highest-quality channel. What could be causing this?
I'd like to get my 7.1 stats up as well. I'm still hoping to keep the DB8e inside. I could try a CM7778 and see if that changes things, but I was attracted to the TVPRAMP1R because I will have to run a separate VHF antenna, and this preamp combines the signals for me.
Any ideas? Thanks!
EDIT: I'll throw an idea out there... could my network traffic be causing the pixelation? According to the hdhomerun gui, it appears the streams are around 16 mpbs. I have a surveillance system on the same network consisting of six 720p cameras. These devices are all 100 base-T, but they exist on my gigabit network.
Last edited by pburgh; Yesterday at 01:33 PM.