Sharp XL-HP500 Service Manual - Page 41

IC1 VHiLC78646E-1: CD Servo (LC78646E) XL-HP500 LDD LDS FR VVDD PCKIST VVSS PD02 PD01 CONT1 CONT2 CONT3 VSS VDD5 DRF *RES *WRQ DO DI CL CE 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 SLCO 1 SLCIST 2 EFMIN 3 RF 4 RFVDD 5 RFVSS 6 FIN1 7 FIN2 8 TIN1 9 TIN2 10 VREF 11 REF1 12 FE 13 TEC 14 TE 15 RFMON 16 JITTC 17 ADAVDD 18 ADAVSS 19 TDO 20 LC78646E 60 DATA 59 DATACK 58 LRSY 57 ASDFIN 56 ASDACK 55 ASLRCK 54 16MOUT 53 EFLG 52 C2F 51 XVSS 50 FSX/16MIN 49 XIN 48 XOUT 47 XVDD 46 RVDD 45 RCHO 44 RVSS 43 LVSS 42 LCHO 41 LVDD 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 TEST DOUT VDD (3.3V)VSS MONI5 MONI4 MONI3 MONI2 TEC MONI1 FSEQ V/*P DEFECT SBCK/FG SBCK/CONT6 CONT5 CONT4 GPDAC SLDO SPDO FDO RF TE FE FIN1 FIN2 TIN1 TIN2 REF1 DEFECT ADIN ADAVDD ADAVSS JITTC SLCO EFMIN SLCIST PCK PDO1 PDO2 FR PCKIST VVDD VVSS SBCK/FG XIN XOUT 16MOUT XVDD XVSS *RES *WRQ CL CE DI DO VDD5V CONT1, 2, 3 CONT4, 5, SBCK/CONT6 TEST - + MIX EQ - + -+ LPF + - TBAL +- - + TBAL LEVEL SET RAM AGC LPF SW LPF + - - + PH BH MNI CONT - + - + RFVDD RFVSS RFMON VREF A/D SERVO PROCESSOR SLICE LEVEL CONTROL JITTER DETECT PLL VCEC CLV,CAV CONTROL TRACK JUMP AUTO ADJUST APC SW D/A S/H DRF RUPTURE DEFECT VDD5V FRAME SYNC DETECT,PROTECT INSERT, EFM DECODE CLOCK GENERATOR SUBCODE DECODE CRC MONITOR SIGNAL SELECTOR COMMAND INTERFACE GENERAL-PURPOSE PORTS 8FS DIGITAL FILTER 1bit DAC ERROR CORRECTION AUDIO CD C1-2,C2-2 INTERPOLATION MUTE ATTENUATION DEEMPHSIS LPF RAM AUDIO OUT SERIAL OUT EXTERNAL AUDIO IN LDD LDS FD0 TD0 SLD0 SPD0 GPDAC DRF FSEQ V/*P VDD VSS MONI1~5 FSX/16MIN C2F EFLG DOUT LRSY DATACK DATA ASLRCK ASDACK ASDFIN LVDD LVSS LCHO RCHO RVDD RVSS Figure 41 BLOCK DIAGRAM OF IC - 41 -