Originally Posted by johnbon
Hello everyone. I just discovered this SR604-specific thread, so my apologies to all if my previous postings of my problem were not properly placed. I apologize also for the length of this post, but I tried to be as specific as I could be in hopes that somebody could help.
Here's my setup:
Samsung FP-T5084 50" 1080p Plasma TV
Onkyo TX-SR604 Receiver
Motorola DCH6200 HD Digital Cable Box (from Charter Communications)
PS3 (used as my Blu-Ray and regular DVD device as well as games)
Home Theater Master MX-600 RF Universal Remote
The PS3 and the Motorola box are connected via the two HDMI inputs on the Onkyo, and the Samsung TV is connected to the Onkyo's single HDMI output.
Here's the problem:
While watching an HD channel in 1080i, everything looks and sounds great. As soon as I turn my TV off and back on again, however, the Motorola box switches from 1080i resolution to 720p. I can then set the Motorola back to 1080i, and it will stay that way until the next time I turn the TV off and back on again. When I do turn the TV on, I can watch the resolution indicator on the front of the Motorola box switch from 1080i to 720p, and it appears to happen during the HDMI handshaking that apparently takes place when the TV attempts to acquire the audio\\video signal from the Onkyo.
Thinking that this was a probably a problem with the Motorola box (DCH6200), I visited my local (St. Louis) Charter office and swapped it for the only other one they offer that has an HDMI output - a DCH3200. The problem remained the same.
Next, I took the Onkyo out of the equation by connecting the new Motorola box directly to the Samsung TV via HDMI. The problem disappeared. I could turn the TV on and off to my heart's content and the resolution setting on the Motorola remained at 1080i. The Onkyo, which I understood to do a straight pass-through of the HDMI signal, apparently doesn't, and it appears to be the source of my problem.
I called Onkyo support for assistance and got none, other than a vague explanation that there are "known problems" between Onkyo receivers and Motorola and Scientific-Atlanta HD boxes. Unfortunately, Charter offers only Motorola boxes here in St. Louis
This isn't a huge problem since I now know that I need to reset my Motorola box to 1080i everytime I turn on my TV, but what I'm really wondering is this:
1. Am I kidding myself that the Onkyo is really passing a 1080i signal to the TV just because I change the Motorola setting back to 1080i after turning on the TV?
2. Is my PS3 (also connected to the Onkyo via HDMI) really displaying
at 1080p when I play a PS3 game or watch a Blu-Ray movie, or is the Onkyo knocking it down to 720p and I just don't recognize it?
Any thoughts anyone has on why the reset from 1080i to 720p is happening or how I might correct the problem short of replacing the Onkyo would be appreciated. I'd also appreciate your opinions on items #1 and #2 above as I'm really aggravated by the thought that my 1080p TV may never see a 1080 signal from my cable box or my PS3 as long as the Onkyo is serving as the middleman. Thank for your replies.