Sony HCD-ED2 Service Manual - Page 9

HCD-ED2 6-16. IC BLOCK DIAGRAMS • BD Board IC101 CXD2587Q PCO FILI FILO CLTV AVSS3 RFAC BIAS ASYI ASYO AVDD0 IGEN AVSS0 ADIO RFDC CE TE VDD VSS AVDD3 DOUT LRCK 61 PCMD 62 BCK 63 EMPH 64 XVDD 65 XTAI 66 XTAO 67 XVSS 68 AVDD1 69 AOUT1 70 AIN1 71 LOUT1 72 AVSS1 73 AVSS2 74 LOUT2 75 AIN2 76 AOUT2 77 AVDD2 78 RMUT 79 LMUT 80 60 DIGITAL OUT D/A INTERFACE INTERNAL BUS 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 ERROR CORRECTOR DIGITAL PLL 16K RAM EFM DEMODULATOR ASYMMETRY CORRECTION 43 42 41 OPERATIONAL AMPLIFIER ANALOG SWITCH A/D CONVERTER TIMING LOGIC PWM PWM 3rd ORDER NOISE SHAPER OVER SAMPLING DIGITAL FILTER SERIAL IN INTERFACE SUBCODE PROCESSOR SERVO INTERFACE SERVO AUTO SEQUENCER SERVO DSP FOCUS SERVO TRACKING SERVO SLED SERVO CLOCK GENERATOR PWM GENERATOR FOCUS PWM GENERATOR TRACKING PWM GENERATOR SLED PWM GENERATOR DIGITAL CLV MIRR, DFCT, FOK DETECTOR CPU INTERFACE 40 SE 39 FE 38 VC 37 XTSL 36 TES1 35 TEST 34 VSS 33 FRDR 32 FFDR 31 TRDR 30 TFDR 29 SRDR 28 SFDR 27 SSTP 26 MDP 25 LOCK 24 FOK 23 DFCT 22 MIRR 21 COUT 12 3 4 5678 9 10 11 12 13 14 15 16 17 18 19 20 SQSO SQCK XRST SYSM DATA XLAT CLOK SENS SCLK VDD ATSK SPOA SPOB XLON WFCK XUGF XPCK GFS C2PO SCOR IC103 CXA2568M-T6 • POWER AMP Board HOLD 1 AGCVTH 2 LD 3 PD 4 A5 B6 C7 D8 VEE 9 F 10 APC PD AMP VEE VEE VREF VEE VC IC505 LA5617 VCC 24 VCC VCC 23 LC/PD 22 LD_ON APC LD AMP 21 HOLD_SW VC VCC 20 AGCCONT (50%/30% OFF) 19 RF_BOT VC VEE RF SUMMING AMP RF_EQ_AMP VC VC VC VC ERROR AMP FOCUS 18 RFTC 17 RF_1 16 RFO 15 RFE 14 FE ON/OFF CURRENT LIMITER CURRENT LIMITER ON/OFF VMUTE VCC _~140uA COMPARATER VREF VCC START CIRCUIT VREF OVER HEAT PROTECT ERROR AMP VREF ~_1.8V ERROR AMP 1 2 34 56 7 8 9 10 E 11 VC VC BUFFER VC 12 VC 13 TE VC TRACKING ERROR AMP VCC VC VEE 28 VO1 VCC CN1 EN EN DISPLAY GND NC CN2 VEE VO2 • FUNCTION Board IC301 M62442 VOLOUT2 BBA2 BBB2 BUFIN2 BUFOUT2 DGND LATCH DATA CLOCK DVDD PORTA BUFOUT1 BUFIN1 BBB1 BBA1 VOLOUT1 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 MICON INTERFACE A BC SW3-2 B A SW4-2 VOLIN2 41 SW15-2 FOUT2 42 SW13-2 F6F2 43 F5F2 44 12k F4IN2 45 F4O2 46 F4F2 47 F3IN2 48 12k 5 ELEMENT GRAPHIC EQUALIZER F3O2 49 F3F2 50 F2IN2 51 F2O2 52 F2F2 53 F1IN2 54 F1O2 55 F1F2 56 RECB2 57 SW6-2 RECA2 58 SW5-2 DOUT2 59 20K 20K 10K KEYIN2 60 LPFO 61 LPFIN 62 LROUT 63 INF2 64 SW7-2 SW8 SW10-2 A B C BA 20K 20K 20K 20K B SW11-2 A SW11-1 A B SW14-2 SW2-2 SW2-1 AB SW9 AB SW12-1 SW14-1 C BA SW4-1 A BSW3-1 B A C SW10-1 SW7-1 24 VOLIN1 SW15-1 23 FOUT1 SW13-1 22 F6F1 21 F5F1 12k 20 F4IN1 19 F4O1 18 F4F1 17 F3IN1 5 ELEMENT GRAPHIC EQUALIZER 16 F3O1 12k 15 F3F1 14 F2IN1 13 F2O1 12 F2F1 11 F1IN1 10 F1O1 9 F1F1 20K 20K 10K SW12-2 SW6-1 SW5-1 A BC 8 RECB1 7 RECA1 6 DOUT1 5 KEYIN1 4 DELAYOUT AB 3 DELAYIN 2 MICIN 1 INF1 SW1-1 A B F E D C B A SW1-2 F E D C 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 INE2 IND2 INC2 INB2 INA2 AVDD REFO2 REFIN REFO1 AVSS KEYOUT INA1 INB1 INC1 IND1 INE1 • RELAY Board IC650, 651 SN74HC74ANS 28 14 13 12 11 10 VCC PR D CK CLR 98 Q Q PR D Q 123 CK Q CLR GND 456 7