Sanyo LED-22XR10F Service Manual page 15

b) Communication connection
RS232 connective line must have dual female terminals (2#, 3# of one terminal should be
exchanged commonly), only communication pin 2#, 3# and 5# need to be used;
4.4.2.4 Connect VG848 signal output terminal to TV signal input terminal
There are several signal input terminals, such as AV, YPbPr, VGA and HDMI, connect them
according to needs, if there are several input terminals of AV, YPbPr, VGA or HDMI, only need to connect
the first terminal respectively;
Fig. 12