Sony HCD-C990 Service Manual - Page 81

HCD-C770/C990 IC612 CXD9633Q VSS6 EXIMCK EXID1 EXID2 EXILRCK EXIBCK TEST3 TEST2 MCK VDD5 VSS5 CKOUT TEST1 F2FLREX1 F2CSWEX2 F2SLR F2LRCK F2BCK FMT2FS VDD4 VDD6 61 DSBCKF 62 FL DSIFL 63 FR DSIFR 64 DSICT 65 CT DSISW 66 SW SL DSISL 67 DSISR 68 SR DIRDSCK1 69 DIRDSCK2 70 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 TEST/MONITOR CONTROL 2FS EXT. CLOCK SELECT 2FS I/F 2FS EXT. DATA SELECT CLOCK GENERATOR & TIMING CONTROL INTERNAL CLOCK 40 VSS4 39 DIR2CK 38 SELDH1 37 SELDH2 BCK WCK CKB CK FL FR CT SW SL SR SELRAM 71 SELFIR1 72 SELFIR2 73 XMTPCM 74 XMTDSD 75 SEL8FS 76 SELEXT 77 SYNC 78 INIT 79 VSS7 80 FIR FILTER & DOWN SAMPLING UNIT FL FR CT PCM SW MUTE SL SR COEF. SELECT RAM ROM 29bit x 240 24bit x 720 INTERNAL CONTROL CPU I/F CONTROL 1 234 5 6 7 8 9 10 11 SR 8FS SW/SB SELECT 36 F8FL 35 F8FR 34 F8CT 8FS 33 F8SW I/F 32 F8BL 31 VDD3 30 VSS3 29 F8BR 28 F8SL 27 F8SR SL CT DSD MUTE DSD SW/SB SELECT 12 13 14 15 16 17 18 19 20 FR FL WCK 26 F8WCK BCK 25 F8BCK 24 FMT8WCK 23 FMT8FS CK 22 DIR8CK 21 VDD2 DSOBR SW DSOBL VDD1 MSHIFT MLATCH MDATA DSGAIN SELSBSW SELSBR SELMCU MONTOR VSS1 CKB DSBCKB VSS2 DSOFL DSOFR DSOCT DSOSW DSOSL DSOSR 81