241SCHEMATIC DIAGRAM TS-990SX41-380 1/1■ Schematic DiagramA B C D E2134567OPTIONAL ACCESSORIES: SP-990 (EXTERNAL SPEAKER)R456R1100R58.2R356 J1198732456R2100C1100u 35C247u 25S3S2S1R6100S6L2560uL11200uS5S4R81kR71kJ2J3J4 R91kW212345W312345W11234SP(RED)FIL(WHITE)PHONESGND(BLACK)SPG(BLACK)SWITCH UNIT (X41-3800-00) (A/3)LOW2HIGH2GND (BLACK)HIGH1FIL (WHITE)A (YELLOW)B (RED)LOW1FILMUTEINPUTLINE OUTBA (YELLOW)INPUTALOUT (ORANGE)B (RED)GND (BLACK)GND (BLACK)LOUT (ORANGE)SWITCH UNIT (X41-3800-00) (B/3)SWITCH UNIT (X41-3800-00) (C/3)SP