Да у 668 выход немного урезанный.
ниже описание поддерживаемых стандартов.
DV-868/668 OPERATION INSTRUCTIONS
"Resolution
Since HDMI has the capacity to support many different high-definition video formats, you may want to change the resolution depending on the monitor you’re using. The options that appear will depend on the video format of the current disc (NTSC or PAL).
•
VGA
– 640x480 pixel progressive-scan
video (NTSC only)
•
720 x 480 P
(NTSC)/
720 x 576 P
(PAL)
–
720x480/576 pixel progressive-scan video
•
720 x 480 I
(NTSC)/
720 x 576 I
(PAL)
–
720x480/576 pixel interlace video
•
1280 x 720 P
– 1280x720 pixel
progressive-scan video
•
1920 x 1080 I
– 1920x1080 pixel interlace
video
• A message will appear if you select an
incompatible resolution.

•

DV-668AV only – Only the720 x 480 P and720 x 576 P options are available in the Resolution settings."