Causes for video lag?

[solleyman]

Originally posted in Tech Support, but suggested to be moved to Video...

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I've got a 61" InFocus DLP, a Series 2 TiVo, an Onkyo HT-S780 HT system, and an Onkyo DV-CP702 DVD player.

Here are the connections:
DVD Player - component vid to TV, digital coax audio to receiver
Tivo - S-video to TV (audio handled by optical output from TV to receiver)
OTA antenna for HD - coax to TV (audio same as above)
Analog cable - split, one into TiVo, one into TV (audio same as above)

Problem is that sometimes, the audio leads the video by about .5 seconds. I'm pretty sure I've noticed it on all sources, and I'm pretty sure all sources don't have the problem full time. Can't find any pattern, i.e. fine at power up, worse later, or anything like that.

I was hoping that maybe I had some connection wrong...?? Or is there some setting in the receiver that would fix this....??

Any ideas???

Much thanks.
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- Thanks.

 

[solleyman]

Anyone?

 

[phaxmohdem]

Hmmm very odd if there is no real pattern to it. Perhaps its an issue with the Audio reciever? Turn it on for like 30 seconnds before the other components in your sweet setup???

 

[solleyman]

I'll give that a shot.

Any other suggestions out there? Any chance the TV has some audio processing issues?