Sharp XL-HP515 Service Manual - Page 45

IC1 VHiLC78648E-1: CD Digital Signal Processor(LC78648E) XL-HP515 VVDD VVSS PCKIST PD02 PD01 CONT4 CONT5 MONI3 MONI4 MONI5 CONT6/SBCK C2F/SBCK DRF *RES *WRQ DO DI CL CE DVSS 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 AVDD1 1 SLCO 2 EFMIN 3 RF 4 LPF 5 JITTC 6 AIN 7 CIN 8 BIN 9 DIN 10 FEC 11 PHLPF/RFMON 12 VREF 13 EIN 14 FIN 15 TEC 16 TE 17 TEIN 18 LDD 19 LDS 20 LC78648E 60 DVDD 59 DATA 58 DATACK 57 LRSY 56 ASDFIN 55 ASDACK 54 ASLRCK 53 F16MOUT 52 OUT1 51 F16MIN 50 IOMODE 49 XVDD 48 XIN 47 XOUT 46 XVSS 45 RVDD 44 RCHO 43 LRVSS 42 LCHO 41 LVDD 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 FDO TDO SLDO SPDO AVSS AVDD2 DVDD DVSS VPB DEFECT FSEQ EFLG FSX CONT1 CONT2 CONT3 MONI1 MONI2 DOUT TEST PHLPF/RFMON VREF LDD LDS LPF RF AIN CIN BIN DIN FEC EIN FIN TEC TE TEIN JITTC SLCO EFMIN PDO1 PDO2 PCKIST VVDD VVSS XVDD XVSS XIN XOUT F16MIN F16MOUT ASLRCK ASDACK ASDFIN RVDD RCHO LRVSS LCHO LVDD RESB TEST IOMODE MONITOR VREF APC RF SIGNAL PROCESSOR FOCUS ERROR PROCESSOR TRACKING ERROR PROCESSOR JITTER/DETECT A/D AUTO ADJUST TRACK JUMP SETVO PROCESSEROR A/D RAM RUPTURE DEFECT CLV CAV CONTROL DRF CPU I/F SLICE LEVEL CONTROL PLL RAM CLOCK GENERATOR EXTERNAL AUDIO IN LPF ERROR CORRECTION INTERPOLATION MUTE ATTENUATION 8FS DIGITAL FILTER DEEMPHASIS 1bit DAC PORT FRAME SYNC DETECT,PROTECT, INSERT, EFMDECODE MONITOR SIGNAL SELECTOR SUBCODE DECODE CRC & TEXT AUDIO OUT SERIAL OUT Figure 1 BLOCK DIAGRAM OF IC 8 - 3 FDO TDO SPDO SLDO AVDD1 AVSS AVDD2 DEFECT DRF VPB CL CE DI DO WRQB CONT1~6 OUT1 FSEQ FSX EFLG C2F MONI1~5 DOUT LRSY DATACK DATA DVDD DVDD DVSS DVSS