Add Component input use your D-4 sub
 

I have a dpx-1 HD projector and I was finally able to
use the d-4 sub connector for my DVD component
output. D-4 is the Japanese standard for component
video. After months of search I found one on line at
Digital Connection:
Thank you for your order with Digital Connection. For your convenience, we have included a copy of your order below. If you have any questions about your order status, you can contact us directly by E-mail at: sales@digitalconnection.com, or call 1-800-327-8049.
Order Summary:

1 - D4 to Component Female Cable(AVPD4CF) - $29.00

WORKS GREAT!