5 6 7 8 CMX-5000, CU-V160 A I FLK1 ASSY (DWG1538) EARTH LUG ASSY B KEY MATRIX ENCODER ON/OFF C NOTE DIODE 1SS355 UNLESS OTHERWISE DIODES SWITHES J PHT1 ASSY (DWG1535) D M CN2203 5 6 7 I J 8 37