Pioneer DVL-909 Service Guide - Page 2

DV-505, DVL-909, DV-S9 1. CIRCUIT DESCRIPTION 1.1 OVERALL BLOCK DIAGRAM DV-505 2 Spindle TA Motor FA Slider Loading Motor HA OEIC IC301 TLC5540INS A/D TE GEN IC701 PD4833A LSI-11 IC702 HM514800CJ-7 4M bit DRAM VBR Buffer Sync Demod Spindle control DRAM I/F (bus arbitor) ECC & ID Reg. CPU I/F DMA Sub-CPU I/F CD-ROM Sync gen. Sub-code Buffer IC201 LC78650NE CD DSP CD PCM EFM Decoder CD Digital Out Servo DSP IC501 PD4889A IC601 PD3381A System CPU (32 bit RISC) IC603 VYW1536 FLASH ROM IC604 TC551001BFL-85 RAM Program Stream SREO XSACK CD PCM CD D. OUT SREO XSACK IC802 MB811171622A-100FN 16M bit SDRAM CODE Buffer (Video, Audio, Sub-picture,GUI) Memory Controller CPU I/F SYSTEM Decoder (DMUX) MPEG2 Sub- GUI Video picture Decoder Decoder MIX AV Sync controller NTSC /PAL encode Copy Guard DAC DAC DAC AC3/MPEG1 Audio Decoder DVD/V-CD AV Decoder IC801 (MPEG2 Decoder) MB86371 S/PDIF Mechanism Control CPU IC101 PD4890A Display CPU Video Out Y C Comp. Lt D/A Rt PCM D-Out AC3 D-Out Mechanism sense SW Key-SW & Display