■ CIRCUIT BOARDSNote: See parts list for details of circuit board component parts.CONTENTSDSR112/DSR115/DSR215• ACIN Circuit Board (YC305C0) ...................................................30• AMPS1 Circuit Board (YA924D0) ...................................................32• BRG1 Circuit Board (YC022D0) ...................................................36• BRG2 Circuit Board (YC022D0) ...................................................36• BRG3 Circuit Board (YC022D0) ...................................................36• DSP Circuit Board (YC023D0) ...................................................38• IN1 Circuit Board (YC022D0) ...................................................39• IN2 Circuit Board (YC022D0) ...................................................39• IN3 Circuit Board (YC022D0) ...................................................39• LED Circuit Board (YC301B0)....................................................36DSR118W• ACIN Circuit Board (YC305C0) ...................................................30• AMPS2 Circuit Board (YA924D0) ...................................................32• ASP Circuit Board (YC025C0) ...................................................31• BRG4 Circuit Board (YC024D0) ...................................................37• IN4 Circuit Board (YC024D0) ...................................................40• LED Circuit Board (YC301B0)....................................................36DSR112/DSR115/DSR215/DSR118W29