Sony MZ-R900 Service Manual - Page 28

MZ-R900 6-2. BLOCK DIAGRAM - AUDIO Section - (Page 27) A DIN1 VIF B+ B+ SWITCH Q302 OPTICAL RECEIVER J301 LINE IN (OPT) (LINE IN JACK) ADDT (Page 27) B (Page 27) C DADT (Page 29) G SDO0, SDI0, SCK0 SDO0 SCK0 SDTO 15 AUDIO I/F CONTROL 16 SDTI 17 BCLK 20 LRCK 21 CDTI 22 CCLK 23 CSN 25 SSB CONTROL REGISTER I/F A/D CONVERTER & HPF A/D, D/A CONVERTER IC301 GAIN AMP LIN2 6 LIN1 4 RIN2 7 RIN1 5 LOUT1 26 D/A CONVERTER ROUT2 28 CLOCK DIVIDER MCLK 19 OPGAL 27 1 OPGAR GAIN AMP LOUT2 2 ROUT2 3 MIC AMP IC303 OUT2 16 IN2 2 OUT1 13 IN1 11 REGULATOR STBY 5 4 GV BEEP MUTE HP/L 3 L-IN 1 R-IN MUTING 14 15 HEADPNONE AMP IC302 LOUT 10 GA-L 9 ROUT 12 GA-R 13 HP/LINE SWITCH 16 J303 MIC (PLUG IN POWER) J302 i/LINE OUT F801 VC B+ RVDD CDWM 2V DTCK KEY-R CDWM DATA RGND 70 69 XBCK LRCK SDI0 SDO0 SCK0 179 SIO 180 SO0 181 SCK0 XCS NV 219 SCK0 SDO0 SDIO XCS SK DI DO 4321 EEPROM IC804 71 FS256 OSCI OSCO 24 25 SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR 16M BIT D-RAM IC801 (2/3) X801 45.1584MHz XOPT CTL XJAC DET OPT DET MIC SENSE XMIC DET BEEP XMUTE 215 192 191 2 193 183 186 178 AOUT SEL TSB SLV CHK 210 TSB SLV VDD 143 RMC DTCK 142 TSB SLVI 144 TSB SLVO 145 TSB SLAVE DETECT Q803 RMC KEY F (Page 29) • SIGNAL PATH : PLAYBACK : REC (ANALOG IN) : REC (DIGITAL IN) 28 28