Sony STR DA2400ES Service Manual - Page 76

STR-DA2400ES/DG920 • IC Block Diagrams - DIGITAL Board - IC2208 LC89057W-VF4A-E TXO/PIOEN TDATA/PIO3 TLRCK/PIO2 TBCK/PIO1 TMCK/PIO DVDD DGND XMODE CL CE DO DI RXOUT 1 RX0 2 RX1 3 RX2 4 RX3 5 DGND 6 DVDD 7 RX4 8 RX5/V1 9 RX6/U1 10 DVDD 11 DGND 12 48 47 46 45 44 MODULATOR & PARALLEL PORT 43 42 41 40 39 38 MICROCONTROLLER INTERFACE INPUT SELECTOR DATA DEMODULATOR & LOCK DETECT C bit, U bit DATA SELECTOR 37 36 RERR 35 INT 34 CKST 33 AUDIO/VO 32 EMPHA/UO 31 DGND 30 DVDD PLL CLOCK SELECTOR 13 14 15 16 17 18 19 20 1/N 21 22 23 29 XIN 28 XOUT 27 XMCK 26 DVDD 25 DGND 24 SDIN SBCK SLRCK RDATA RLRCK DVDD DGND RBCK RMCK AGND AVDD LPF IC2210 SN74HC595ANS SERIAL DATA RESET CLOCK SHIFT LATCH CLOCK OUTPUT ENABLE SERIAL DATA INPUT OUTPUT PARALLEL DATA QA A 16 15 14 13 12 11 VCC SHIFT REGISTER 10 9 SQH QB LATCH QH QG QF QE QD QC GND 1 2 34 5 67 8 PARALLEL DATA OUTPUT STR-DA2400ES/DG920 OUTPUT IC2211 TC74VHC393FT (EL) 14 13 12 11 10 9 8 VCC QA QB QC QD CLEAR A CLEAR A QA QB QC QD GND 1234567 IC2212 TC74VHC157FT (EL) SELECT 111 1A 2 INPUT 1B 3 OUTPUT 1Y 4 2A 5 INPUT 2B 6 OUTPUT 2Y 7 GND 8 S 1A G 1B 4A 1Y 4B 2A 4Y 2B 3A 2Y 3B 3Y 16 VCC 15 STROBE 14 4A INPUT 13 4B 112 4Y OUTPUT 11 3A INPUT 10 3B 9 3Y OUTPUT CK VCC D PR Q CLR IC2226 TC7WH74FU (TE12R) 8765 SRQ CDQ 1234 GND Q IC2230 TK11150CSCL-G 5 4 OVER HEAT & OVER CURRENT PROTECTION CONTROL - CIRCUIT + BANDGAP REFERENCE 1 2 3 VCONT GND NP IC2233 PCM1808PWR VREF 1 AGND 2 VCC 3 VDD 4 DGND 5 SCKI 6 LRCK 7 DELTA-SIGMA MODULATOR REFERENCE DELTA-SIGMA MODULATOR POWER SUPPLY ANTIALIAS LOW-PASS FILTER ANTIALIAS LOW-PASS FILTER s 1/64 DECIMATION FILTER WITH HIGH-PASS FILTER SERIAL INTERFACE & MODE/FORMAT CONTROL 14 VINR 13 VINL 12 FMT 11 MD1 10 MD0 9 DOUT 8 BCK CLOCK & TIMING CONTROL IC2236 TC7W53FU (TE12R) COMMON 1 INH 2 VEE 3 GND 4 LOGIC LEVEL CONVERTER C OUT IN C OUT IN 8 VCC 7 CH 0 6 CH 1 5A IC2237 TC74HC151AF (EL) D3 1 D2 2 D1 3 D0 4 Y5 XY 6 OE 7 GND 8 D2 D3 D4 D1 D5 D0 D6 Y D7 W A SCB 16 VCC 15 D4 14 D5 13 D6 12 D7 11 A 10 B 9C 76 76 VIN VOUT