Sharp CD-XP120 Service Manual - Page 38

CD-XP120 IC401 VHiMN6627482W: CD Signal Control (MN6627482WA) STAT X1 X2 MSEL CSEL PMCK(PLAY) GIO2(FCLK) SMCK BYTCK(TRVSTP) VCOF VCOF2 MDATA MCLK MLD PSEL RSEL(GIO3) ARF DRF IREF DSLF PLLF2 PLLF EFM(CK384) PCK(DSLB) AVDD2 AVSS2 SUBQ SOCK(GIO0) SSEL FLAG6(RESY) DEMPH SUBC SBCK GIO1(/CLDCK) BLKCK CRC CLVS IOSEL SRDATAIN(PSEL) BCLKIN(SSEL) LRCKIN(MSEL) VDD VSS DVDD1 DVSS1 /RST /TEST FE TE RFENV TRCRS VDET BDO /RFDET OFT INPUT PORT A/D CONVERTER TIMING GENERATOR VCO PITCH CONTROL MICRO COMPUTER INTERFACE SERVO CPU OUTPUT PORT D/A CONVERTER DSL • PLL VCO SUBCODE BUFFER EFM DEMODULATION CD-TEXT SYNC INTERPOLATION BUFFER SUBCODE DEMODULATION CIRC ERROR CORRECTION DEINTERLEAVE 16k SRAM INTER POLATION SOFT MUTING DIGITAL ATTENUATION CLV SERVO DIGITAL AUDIO INTERFACE DIGITAL DEEMPHSIS 8TIMES OVER SAMPLING DIGITAL FILTER 1 BIT DAC PWMLOGIC PWM (L) PWM (R) +- +- SERVO TIMING GENERATOR OUTL SENSE WVEL LDON /FLOCK /TLOCK FBAL TBAL FOD TRD TVD VREF TRV KICK TOFS DMUTE BCLK SRDATA LRCK PC ECS ECM TX IPFLAG FLAG Figure 38 BLOCK DIAGRAM OF IC OUTR AVDD1 AVSS1 - 38 -