Sony HCD-HX7 Service Manual - Page 39

6-21. SCHEMATIC DIAGRAM - AMP Section (HX5) - • See page 41 for Waveforms. • See page 46 for IC Block Diagrams. HCD-HX3/HX5/HX7 (Page 34) INIT OVF R790 100 R789 100 R788 100 R787 100 R786 100 R785 100 R784 100 SCLATCH SCSHIFT SCDT PGMUTE SOFTMUTE NSPMUTE C788 0.1 C787 0.001 /RST /OTW /SD R800 1k R801 1k R704 470 C781 R706 100 0.1 R708 100 C708 0.1 C709 0.1 R709 100 R711 100 R712 100 OVF FLAGR SCLATCH SCSHIFT SCDT PGMUTE SOFTMUTE NSPMUTE DVSS DVDD XOVDD XFSOOUT XOVSS LRCK BCK DOUT R748 47k C740 220 10V C806 0.1 R744 0 R745 100 R746 100 R747 470 C745 0.01 R741 100 R743 R742 100 10k R749 0 C746 0.01 C747 100 10V FLAGL OVF SFLAG INIT MCKSEL LRCK BCK DATA BFVDD BFVSS TEST DVDD XFSIIN STREAM PROCESSOR IC705 CXD9788AR C797 0.01 R750 47k C798 10 50V IC704 NJM2871BF18 VOUT NOISE GND CONT VIN C761 0.01 +1.8V REGULATOR R733 470 C795 10 50V C799 0.01 C779 0.01 CN700 19P A+5V AGND R-IN AGND L-IN D+3.3V INIT NSPMUTE DGND SCLATCH SCSHIFT SCDT /SD DGND /RST SOFTMUTE PGMUTE OVF /OTW C804 0.001 R-IN L-IN L701 10µH C731 100 10V INIT NSPMUTE LRCK SCLATCH SCSHIFT SCDT /SD /RST SOFTMUTE PGMUTE OVF /OTW R-IN L-IN C738 10 50V R730 100 D701 MMDL914T1 C730 0.1 C701 2.2 50V R170001C517004V8 C751 D751 2.2 MMDL914T1 50V R751 100 R723 C733 1k 0.1 C732 0.1 R729 1k C749 0.1 C742 0.01 C743 0.01 FSOCKO FSOI HPOUTR2 HPVSSR HPOUTR1 HPVDDR HPOUTL2 HPVSSL HPOUTL1 HPVDDL XVDD XFSOIN VSSL OUTL1 VDDL OUTL2 VSSL VSSR OUTR1 VDDR OUTR2 VSSR VSUBC XVSS C796 0.1 C704 0.001 C752 0.1 C754 0.001 C753 100 10V C786 0.001 C785 10p R734 10 R794 0 R735 10 R736 10 R737 10 IC709 MC74VHC1GU04 VCC NC GND L704 10µH C780 0.001 A/D CONVERTER R783 22 R782 1M L703 10µH L705 1µH X702 R781 49.152MHz 100 CLOCK BUFFER R795 0 C783 10p C784 0.001 R780 22 C739 0.01 R722 47k C736 0.01 L702 10µH IC702 NJM2871BF33 CONT VIN GND VOUT NOISE IC701 PCM1803DBR LRCK BCL FSYNC DOUT BYPAS DGND PDWN VDD AGND SCKI VCC TEST VREF2 FMT0 VREF1 FMT1 RIN MODE0 LIN MODE1 BCK DOUT C734 0.001 C741 0.1 C735 10 50V R731 470 CLOCK SHIFT IC703 MC74VHC74DTR2 VCC RD2 D2 CK2 SD2 Q2 Q2 RD1 D1 CK1 SD1 Q1 Q1 GND R714 R713 C710 390 22k 47p R754 R752 C757 390 22k 47p C782 R756 100 0.1 R758 100 C758 0.1 R759 100 C759 0.1 R761 100 R762 100 R764 470 +3.3V REGULATOR C793 10 50V C744 0.1 C737 0.0047 D713 UDZW-TE17-2.4B R716 R715 1k 1k EP701 DIGITAL POWER AMP IC707 CXD9774M RGND BP BM /RST RGND GREG M3 DREG DVSS M1 M2 DVDD /SD RESV /OTW AM AP RGND GREG PVDD PVSS BST_B PVDD_B PVDD_B OUT_B OUT_B PVSS PVSS OUT_A OUT_A PVDD_A PVDD_A BST_A PVSS PVDD GREG DIGITAL POWER AMP IC708 CXD9774M RGND BP BM /RST RGND GREG M3 DREG DVSS M1 M2 DVDD /SD RESV /OTW AM AP RGND GREG PVDD PVSS BST_B PVDD_B PVDD_B OUT_B OUT_B PVSS PVSS OUT_A OUT_A PVDD_A PVDD_A BST_A PVSS PVDD GREG C718 C706 0.047 1 L709 C716 C717 R720 0.22 0.22 3.3 D705 P6SMB39AT3 D706 P6SMB39AT3 C714 C715 R719 0.22 0.22 3.3 C713 C712 L708 0.047 1 C703 0.01 R765 0 R793 47k Q701 2SC3052 PROTECT DETECT R792 0 C794 1 C768 C756 0.047 1 L759 C766 C767 R770 0.22 0.22 3.3 D755 P6SMB39AT3 D756 P6SMB39AT3 C764 C765 R769 0.22 0.22 3.3 C763 C762 L758 0.047 1 R717 1k R738 1k C719 2200 35V C702 0.1 L710 10µH R721 10k C720 1 R739 10k C728 1 R740 10k Q702 2SA1235 L711 10µH R718 10k R728 220k R727 100k C726 R726 2.2 220k Q703 2SA1235 Q702,703 OVER LOAD DETECT Q752 2SA1235 C778 R776 2.2 220k R777 100k Q753 2SA1235 Q752,753 C769 2200 35V OVER LOAD DETECT R778 220k C791 0.1 L760 10µH R771 10k C770 1 R772 10k C777 1 R773 10k L761 10µH R768 10k C711 220 16V EP702 (CHASSIS) C722 0.0022 C723 0.0022 R724 4.7 R725 4.7 C724 0.0022 C725 0.0022 C844 0.1 C845 0.1 CN702 2P L+ L- P2 (Page 40) C772 0.0022 C773 0.0022 R774 4.7 R775 4.7 C774 0.0022 C775 0.0022 C846 0.1 C847 0.1 CN703 2P R+ R- Q2 (Page 40) +27V GND +27V GND CN704 4P GND +12V CN705 2P R2 (Page 45) S2 C832 0.1 C831 0.01 EP703 (Page 45) (CHASSIS) HCD-HX3/HX5/HX7 39 39