Sony HCD-C990 Service Manual - Page 33

7-2. BLOCK DIAGRAM - AUDIO (DSP) Section - HCD-C770/C990 D5V REFERENCE VOLTAGE GENERATOR IC402 (2/2) WARFI (Page 32) A (Page 32) G WCK (Page 32) C SD0 - SD7 SDEF, XSHD, (Page 32) E XDCK, XSAK AV DATA BUS XDCK XSAK SDEF XSHD LEVEL SHIFT IC812 LEVEL SHIFT IC813 (Page 32) H 768FS MSDATO, MSDATI, MSCK, (Page 32) M XMSLAT, SHRRDY, SHRMUT (Page 32) J XRST_DSD XSRQ (Page 32) K TDOSA, TDISA, (Page 35) N TCK, TMS, TRST MSDATO MSDATI MSCK XMSLAT SHRRDY SHRMUT TDOSA TDISA TCK TMS TRST 169 - 176 SD0 - SD7 127 WAVRB 126 WARFI 123 WCK 166 SDCK 167 XSAK 168 SDEF 165 XSHD DSAL 64 DSAR 66 DSAC 69 DSALFE 71 DSALS 74 DSARS 76 PHREFO 62 EXCKO1 13 DSD DECODER 11 MCKI IC801 6 MSDATO 4 MSDATI 3 MSCK 2 XMSLAT 7 MSREADY 10 SMUTE 9 XRST 164 XSRQ 29 TDO 27 TDI 26 TCK 30 TMS 31 TRST XWE 143 XRAS 145 XCAS 144 DCKE 142 DCLK 141 A0 - A11 162-159, 157-154, 152, 151, 149, 148 DQ0 - DQ7 139-136, 134-131 19-24, 27-32 A0 - A11 2, 3, 5, 6, 8, 9, 11, 12 DQ0 - DQ7 16Mbit SD-RAM IC808 15 WE 17 RAS 16 CAS 34 CKE 35 CLK EXID1 EXIMCK EXIBCK EXILRCK EXID2 BCK2 LRCK2 CDDOUT (Page 32) B SPDIF (Page 35) O J205 (1/4) VIDEO 1 L AUDIO IN R OPTICAL DIGITAL IN VIDEO 2 OPTICAL RECEIVER IC204 R-CH X600 12.288MHz 5 DIN2 DATA 16 4 DIN1 3 DIN0 CKOUT 13 BCK 14 LRCK 15 DIGITAL AUDIO INTERFACE IC606 DI 36 DO 35 22 XIN CL 38 CE 37 21 XOUT 20 XMCK XSTATE 17 XMODE 48 ERROR 34 AUDIO 24 EXID1 EXIMCK EXIBCK EXILRCK PLOCK DIGDI DO DIGCLK CSDIR XST RSTDIR J206 (1/3) VIDEO 2 L AUDIO IN R R-CH AUDIO INPUT SELECTOR IC202 A/D CONVERTER IC602 COAXIAL FM 75Ω FM/AM TUNER PACK FM ANT L-CH GND R-CH R-CH AMP Q221 2 Y2 1 Y0 Y 3 5 Y1 AB 10 9 LOW-PASS FILTER IC603 R-CH 1 LIN DOUT 15 BCK 14 5 RIN LRCK 13 EXID2 BCK2 LRCK2 AV2 AV0 SYSCLK RSTB AM ANT AM GND DI TUDI TUDO Q205 Q206 DO TUCLK CK TCE CE TUN TUNED FM-DET DET AMP Q201 (AEP) 4 MUX X1 13 X201 4.332MHz RDATA 2 RCLK 16 RDSD RDSC X0 RDS DECODER 14 IC201 16 6 (AEP) TUDI TUDO TUCLK TCE TUN RDSD RDSC 33 AD-RST 52 TUN-DI 54 TUN-DO 55 TUN-CLK 53 TUN-CE 51 TUNED 88 RDS-DATA 94 RDS-CLK (Page 35) P AV0 - AV2 (Page 34) S RSTAD AV0 AV1 AV2 95 AV-SEL0 96 AV-SEL1 48 AV-SEL2 65 98 DFIL RST2 DF-SYNC DF-SW DIG-DI DI DIG-CLK DIR-CE DIR-XMODE DIR-XST DIR-ZERO DSP-DO DSP-HACN DSP-GP9 DIR-ERR DIR-AD 63 DSIFL 64 DSIFR 65 DSICT 66 DSISW 67 DSISL 68 DSISR 62 DSBCKF 52 MCK F2FLREX1 47 F2CSWEX2 46 F2SLR 45 CKOUT 49 F2BCK 43 F2LRCK 44 DIGITAL AUDIO PROCESSOR IC612 58 EXID1 59 EXIMCK 55 EXIBCK 56 EXILRCK 18 SDI1 30 SDI2 114 SDI3 SDO4 26 SDO1 23 SDO2 24 SDO3 25 22 KFSIO 17 BCKI1 15 LRCKI1 SCKOUT 14 BCKO 20 LRCKO 19 GP10 67 DIGITAL AUDIO SIGNAL PROCESSOR IC607 D4 D1 D2 D3 SCK BCKO LRCKO D1 - D4, SCK, BCKO, LRCKO Q (Page 34) • R-ch is omitted due to same as L-ch. • SIGNAL PATH : AUDIO : CD PLAY : DVD PLAY : SACD PLAY : AUX IN : OPTICAL DIGITAL IN : TUNER 7-10, 13-16, 29-32, 35-38 D0 - D15 D0 - D15 108, 107, 105-102, 99 98, 80-77, 75-72 57 EXID2 29 BCK2 28 LRCK2 79 INIT 78 SYNC 77 SELEXT ENABLE SWITCH Q908 - 910 DIGDI DO DIGCLK CSDIR RSTDIR XST PLOCK S-RAM IC604 5-1, 44-42, 27-24, 21-18 A0 - A15 A0 - A15 112, 110, 109, 97-92, 82-85, 66-64 X601 13.5MHz DIGDI DIGCLK 9 MCLK1 12 MCLK2 CS0 44 WE0 45 33 HDIN 34 HCLK 35 HDOUT 32 HACN 68 GP9 PM 113 HCS 36 BST 56 XRST 2 EXLOCK GP8 59 69 41 OE 17 WE PM HCS BST RSTDSP LEVEL SHIFT IC900 Q903 12V D490 POWER ON MUTING Q490, 492 D903 DIGDI, DIGCLK T (Page 34) NSMUTE R (Page 34) PM HCS BST RSTDSP 97 7 25 8 20 24 22 18 6 15 17 19 23 28 13 14 16 12 DSP-PM DSP-CS DSP-BST DSP-RST DAMP-MUTEN SYSTEM CONTROLLER IC901 (1/3) 33 33