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STR-DA4ES/DA7ES/VA333ES VIN4 SDCIN4 SW4 SDCOUT3 VOUT3 VEE SDCOUT2 VOUT2 SW2 VOUT1 SDCOUT1 GND IC203 NJM2596M (S-VIDEO BOARD) 1 2 3 4 5 6 7 8 9 10 11 12 75Ω VEE DRIVER SW4 SW2 75Ω SW2 DRIVER 75Ω DRIVER 6dB AMP 6dB AMP SW5 SW1 6dB AMP SW1 SW2 SW5 COMP SW1 SW4 SW3 SW2 SW1 SW4 SW3 T2 8 T2OUT T1IN 13 T1 NC 14 7 V- BIAS CIRCUIT PROTECTOR REG DRIVE R1 4 C13 V+ GND 18 2 C1+ VCC 19 SD 20 70 VCC 1 EN 1 2 MUTE R1IN 16 +VOUT1 –VOUT1 COMP1 5 C2+ T1OUT 17 SDCIN1 µPC2581V (A-CLASS BOARD) µPC2581V (A-CLASS BOARD) µPC2581V (AMP BOARD) µPC2581V (AMP BOARD) 6 C2- R1OUT 15 13 VIN1 VCC T2IN 12 14 3 4 PRE DRIVE 5 PRE DRIVE DRIVE 6 7 8 9 10 11 12 13 14 15 VEE VIN3 9 R2IN NC 11 15 VCC1 VCC2 SDCIN3 10 R2OUT R2 IC601 IC701 IC501 IC651 16 –VOUT2 +VOUT2 SW5 IC401 ADM3222 (E-VOL BOARD) 17 SW1 18 IN2 NF2 COMP2 19 IN1 20 GND 21 NF1 22 IN2 23 SW1 SDCIN2 24 VIN5 VCC SDCIN5 SW5 SW3 SW3 SW2