Sony HCD-C990 Service Manual - Page 50
Schematic, Diagram, Dvd Board 7/10
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HCD-C770/C990 7-19. SCHEMATIC DIAGRAM - DVD Board (7/10) - • See page 71 for Waveforms. • See page 76 for IC Block Diagrams. (Page 46) CDDOUT DSMCK DSBC SDATAL SDATAR SDATAC SDATALF SDATALS SDATARS (7/10) C636 0.1 ERR DO DIGDI R625 3.3k R628 100 R631 100 C608 0.1 C603 22p X600 12.288MHz C604 56p R602 1M R608 3.3k AUDIO-(O) CSFLAG(O) F0(O) F1(O) F2(O) VF(O) DVDD DGND LOCK(O) BPSYNC(O) ERROR(O) DO(O) DI(I) DIGITAL AUDIO INTERFACE IC606 LC89056W EMPHA(O) XIN(I) XOUT(O) XMCK(O) DVDD DGND XSTATE(O) DATA(O) LRCK(O) BCK(O) CKOUT(O) R603 100 R604 100 R605 100 R606 100 R607 100 XST Z1 Z2 Z3 Z4 R600 100 PLOCK R687 1k AGND AVDD LPF(O) VIN(I) R(I) DVDD DGND DIN2(I) DIN1(I) DIN0(I) SPDIF(O) DISEL(I) CE(I) CL(I) XSEL(I) MODE0(I) MODE1(I) DGND DVDD DOSEL0(I) DOSEL1(I) CKSEL0(I) CKSEL1(I) XMODE(I) L602 10µH FL606 0 CSDIR DIGCLK R640 100 RSTDIR R639 100 C648 0.1 C646 0.01 R642 100 LR C671 0.01 C661 0.01 EXD1 R661 100 Z4 Z1 Z2 Z3 256FS R672 100 SLR CW R674 220 R673 220 R675 220 LRCK R676 220 BCK R677 220 C626 0.01 R614 C616 C627 33k 0.1 0.01 R611 100 R615 4.7k R616 5.6k C637 0.01 R623 100 DIN SPDIF R629 100 DOUT C652 220 4V C634 0.1 C612 10 C609 0.1 C668 0.01 R686 10k R688 10k R682 10k R684 10k 2FS/EX SYNC INIT R692 100 R695 100 R699 100 C675 0.01 C676 0.01 DIGITAL AUDIO PROCESSOR IC612 CXD9633Q R956 R700 10k 10k C667 C673 10 0.01 R972 10k R919 10k C679 0.01 C677 0.01 A1 A2 R960 10k R961 10k R962 10k (Page 51) S-RAM IC604 IS61LV6416-15- EL10(ISSI) A4 A3 A2 A1 A0 CS D0 D1 D2 D3 VDD VSS D4 D5 D6 D7 WE A15 A14 A13 A12 NC A5 A6 A7 OE BHE BLE D15 D14 D13 D12 VSS VDD D11 D10 D9 D8 NC A8 A9 A10 A11 NC V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 V16 C611 0.01 C635 0.01 DIN DOUT (Page 52) DIN DOUT DGND SPDIF SPDIF (Page 48) V25 V24 V23 V22 V21 V20 V19 V18 V17 V29 V28 V27 V26 V34 V33 V32 V31 V30 C641 0.01 SLR R634 1k C640 0.01 C617 0.1 C613 10 C642 0.01 RSTDSP R637 100 X601 13.5MHz R645 10k SCK LRCK R648 100 BCK LR LRCKO BCKO R655 100 R658 100 256FS D1 D2 D3 D4 R659 33 R662 100 R664 100 R666 100 R667 100 LRCKI BCKI CW C647 C644 0.01 0.01 C653 0.01 C650 0.01 R689 10k DIGITAL AUDIO SIGNAL PROCESSOR IC607 CXD9617R R679 100 R998 10k R680 100 C670 0.01 C672 0.01 HACN DIGDI DIGCLK DSPDO HCS V4 V21 BST ERR GP9 PM V30 V31 V32 V29 V28 V27 V26 V25 V24 V23 V22 V33 V34 V1 V2 V3 V13 FL605 C639 0.1 DGND DA03V C638 0.1 (Page 53) G O I IC605 NJM2391DL1 -26(TE1) +2.6V REGULATOR V15 V16 V17 V14 V12 V11 V10 V9 V8 V7 V6 V5 R663 100 V18 V19 V20 FL604 FL603 C674 10 C643 220 4V C651 0.01 R671 100 B1 (Page 52) C669 C660 0.01 0.01 B2 B3 B4 50 50
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