Sony STR-K7100 Service Manual - Page 42

STR-K7100 • IC Block Diagrams IC401 BD3451KS (MAIN Board (1/2)) INCC INCSL INCSR INCSBL INCSBR INCSW AGND7 DGND CLK DATA AGND8 PORTA PORTB AGND9 AGND10 VCC AGND11 VEE AGND12 GOUTSW VINSW AGND13 GOUTSBR VINSBR AGND14 GOUTSBL VINSBL AGND15 GOUTSR VINSR INCR 50 INCL 49 AGND6 48 ROUTBR 47 ROUTBL 46 ROUTAR 45 ROUTAL 43 AGND5 42 AOUTR 41 AOUTL 40 AGND4 39 INIR 38 INIL 37 INHR 36 INHL 35 INGR 34 INGL 33 INFR 32 INFL 31 INER 30 2CH INPUT SELECTOR MASTER VOLUME CONTROL OUTPUT GAIN CONTROL 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 8CH INPUT 3 LOGIC INPUT GAIN SW SBR SBL SR SL C R L 2CH INPUT SELECTOR 8CH INPUT 2 8CH INPUT 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 81 OUTSW 82 OUTSBR 83 OUTSBL 84 OUTSR 85 OUTSL 86 OUTC 87 OUTR 88 OUTL 89 AGND16 90 VINL 91 GOUTL 92 AGND17 93 VINR 94 GOUTR 95 AGND18 96 VINC 97 GOUTC 98 AGND19 99 VINSL 100 GOUTSL IC1301 LC89056W-E (DIGITAL Board (1/3)) A.GND AVDD LPF VIN AGND R SDIN DVDD D.GND DIN2 DIN1 DIN0 DOUT DISEL 12 11 10 9 8 7 6 5 4 321 CKOUT 13 BCK 14 LRCK 15 DATAO 16 XSTATE 17 DGND 18 DVDD 19 XMCK 20 XOUT 21 XIN 22 EMPHA 23 AUDIO 24 PLL INPUT X'TAL1 TIMING DATA DEMODULATOR LOCK DETECTION fs CALCULATION Pa,Pb DETECTION C BIT DETECTION MICROPROCESSOR INTERFACE 48 XMODE 47 CKSEL1 46 CKSEL0 45 DOSEL1 44 DOSEL0 43 DVDD 42 DGND 41 MODE1 40 MODE0 39 XSEL 38 CLK 37 CE 25 26 27 28 29 30 31 32 33 34 35 36 INEL INDR INDL INCR INCL INBR INBL INAR INAL AGND3 BOUT2 BOUT1 AGND2 INBSW INBSBR INBSBL INBSR INBSL INBC INBR INBL AGND1 INASW INASBR INASBL INASR INASL INAC INAR INAL CSFLAG F0/P0/C0 FJ/FSB0 F1/P1/C1 F1/FSB1 F2/P2/C2 F2/DLMP F3/P3/C3 VF/DATA02 DVDD DGND AUTO VREF BPSYNC ERROR DOUT DI IC501 µPC2581V-S (MAIN Board (2/2)) IC601 µPC2581V-S (MAIN Board (2/2)) IC701 µPC2581V-S (MAIN Board (2/2)) PROTECTOR BIAS CIRCUIT REG DRIVE PRE DRIVE PRE DRIVE DRIVE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 MUTE +VOUT1 -VOUT1 COMP1 NF1 IN1 GND IN2 NF2 COMP2 -VOUT2 +VOUT2 VCC VCC VEE STR-K7100 IC1503 TC7WH157FU(TE12R) (DIGITAL Board (1/3)) A1 B2 Y3 GND 4 8 Vcc 7 ST 6S 5Y 42 42 IC1502 IS61WV6416BLL-12TLI (DIGITAL Board (1/3)) A9 1 A12 2 A15 3 A14 4 A13 5 CS 6 CHIP ENABLE BUFFER D15 7 D14 8 D13 9 D12 10 VDD 11 VSS 12 D11 13 D10 14 D9 15 D8 16 WE 17 WRITE ENABLE BUFFER A11 18 A10 19 A8 20 A7 21 GND 22 ROW/COLUMN DECODER 64K x 16 MEMORY ARRAY LOW BYTE I/O BUFFER SENSE AMP & WRITE PRIVER HIGH BYTE I/O BUFFER 44 A5 43 A6 42 A7 OUTPUT ENABLE BUFFER 41 OE BYTE ENABLE BUFFER 40 BHE 39 BLE 38 D7 37 D6 36 D5 35 D4 34 VSS 33 VDD 32 D3 31 D2 30 D1 29 D0 28 NC 27 A2 26 A1 25 A0 24 A6 23 GND