Samsung DVD-HR773 Training Manual page 17

7. A/ V SW I TCHI NG I C
• DVD- HR773 has the one RCA Video input(FRONT IN) and two SCART Jack.
• AV1 Scart jack IN(CVBS) ,AV2 Scart jack IN((RGB Input, CVBS )
• AV3 RCA input in Front Panel .