Sharp DV-SL90UM Service Manual - Page 24

Digital Signal Process Block Diagram DATA(VIDEO/AUDIO) SIGNAL VIDEO SIGNAL DATA(AUDIO) SIGNAL *Note: IC103 is not supplied separatery. Be sure to replace with the DVD Main CBA unit when servicing IC103. IC503 (SDRAM) SDRAM IC101 (MICRO CONTROLLER) ~~ 22 26 SDRAM ADDRESS(0-11) 217 SDRAM ADDRESS(0-11) ~ 29 238 35 EXTERNAL MEMORY 2 1 I/F ~~ ~~ 13 SDRAM DATA(0-15) 42 53 18 SDRAM DATA(0-15) 252 256 ECC DECODER I/F DETECTOR CN201 C 16 D 18 A 17 B 15 E 14 F 12 CD/DVD 19 CN201 Q253,Q254 CD-LD 10 AMP DVD-LD 8 AMP Q251,Q252 PD-MONI 7 GND(DVD-PD) 6 GND(CD-PD) 5 GND(LD) 9 13 CD DVD 6 114 115 116 117 RF 132 SIGNAL 131 PROCESS 134 CIRCUIT 133 129 130 DVD/CD FORMATTER INST. 126 ROM 32BIT 124 CPU DATA 125 RAM 123 DMA BCU INTERRUPT CONTROLLER TIMER WATCH DOG TIMER CPU I/F 83 CD/DVD STREAM I/F UMAC READ MEMORY CPU I/F DSP DECODER I/O PROCESSOR DATA RAM INST. ROM DATA RAM INST. ROM SERIAL GENERAL I/O INTERRUPT CONTROLLER TIMER WATCH DOG TIMER REMOTE CONTROL AUDIO I/F VIDEO I/F BCU 32BIT CPU NTSC/PAL ENCODER SPDIF 177 PCM-BCK 170 PCM-DATA 171 PCM-LRCLK 169 TO VIDEO /AUDIO BLOCK DIAGRAM Y D/A 149 VIDEO-Y C D/A 158 VIDEO-C Cr/Pr VIDEO-Cr/Pr D/A 152 Cb/Pb VIDEO-Cb/Pb D/A 151 TO VIDEO /AUDIO BLOCK DIAGRAM D/A Y(I) 156 VIDEO-Y(I) 1-9-2 TS FS 4 IC201 (SW) CN201 FS(+) 2 FS(-) 3 TS(+) 1 TS(-) 4 FS(+) FS(-) TS(+) TS(-) TO SYSTEM CONTROL/SERVO BLOCK DIAGRAM PICK-UP UNIT DVD MAIN CBA UNIT 192~212 DEBUG 23~51 INST RAM DATA RAM FADR (0-19) FDQ (0-15) * IC103 (FLASH ROM) 1 ~~ 9 16 25 48 FLASH ROM ~~ 29 36 38 45 E592ABLD