How to Change the Output Signal Format of the Sony DVP-S7700 CD/DVD Player – This is a place for the community to provide tips and advice on How to Change the Output Signal Format of the Sony DVP-S7700 CD/DVD Player. This topic was created by Lytle Ross and the tips are provided by the community. The tips you add here can be your own or referred from another site. The best tips are then ranked at the top when up-voted by members of the community.