I read the manual for your Yammy receiver and here's a couple things it said:
"The analog video signals output at the COMPONENT VIDEO jacks can be deinterlaced from 480i to 480p. Set CMPNT I/P to ON in
MANUAL SETUP to activate this feature (see page 83)."
Page 83 "Video conversion V CONV.
Use this feature to activate or deactivate the component
interlace/progressive conversion as well as the HDMI
interlace/progressive up-conversion of the analog video
signals input at the composite video, S-video and
component video jacks.
Choices: ON, OFF
• Select ON to activate the component interlace/
progressive conversion as well as the HDMI interlace/
progressive up-conversion of the analog video signals."
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It also appears you must select to upconvert to 480P or not. If your DVD player is sending a 480P signal through the component video outputs, this function may need to be turned off. Granted, you will need this feature to upconvert S-video and composite inputs.
To be honest, your not really gaining much by using the component video cable to HDMI conversion of the receiver if you are only getting a 480p signal. Just three less cables running to the TV. Standard component video cables with any progressive scan DVD player will give that same quality (and the cables aren't that expensive). The advantage of the upconversion feature with the receiver is with the lesser video signals.
For less than $200 you can get a quality DVD player that upconverts the signal to 720p or 1080i (not just 480P).
