Sharp DV-S2U Service Manual - Page 25

System Control Block Diagram BLOCK DIAGRAMS FROM/TO RF SIGNAL PROCESS /SERVO BLOCK DIAGRAM FROM/TO DVD SIGNAL PROCESS BLOCK DIAGRAM FG SENSOR FG CBA TFWD TREV TIN TOUT SCK STDIO SEN MUTE PS IC301 (FRONT END PROCESSOR) 42 TFWD 41 TREV 59 TIN 60 TOUT 70 SCK 72 STDIO 10 SEN 46 MUTE 47 PS +3.3V IC605 5 RESET 4 HANG 48 Q701 IC601 (DVD HOST PROCESSOR) 200 TFWD 201 TREV 187 TIN 188 TOUT 124 RESET CD/DVD CFE CAS STANDBY ADDRESS BUS DATA BUS NINT1 NINT2 WAIT /RE /WEL CS1 RESET 71 CD/DVD 62 CFE 63 CAS 64 STANDBY READY 49 /FERS 82 13 ~ ~ ~~ 16 26 CPUADR0 33 35 CPUADR17 40 84 CPUDT0 ~ ~ 91 CPUDT7 76 NINT1 77 NINT2 1 WAIT 2 /RE 3 /WEL 6 CS1 11 RESET OSCI 23 OSCO 24 X301 (16.9344MHz) BUSCLR 53 SDA 52 SDA 51 SCL 50 SCL 79 KEY OUT 44 KEY IN 45 IC606 (INVERTER) 2 4 X601 27MHz +3.3V IC102 (OP AMP) 208 READY 186 /FERS 120 CLOCK VFD-STB 3 VFD-DIN 1 VFD-DOUT 2 VFD-CLK 204 REMOTE 125 22 BUSCLR 20 SDA 21 SCL CN501 21 FP-STB 22 FP-DIN 23 FP-DOUT 24 FP-CLK 26 REMOTE 127 IRQ2 IC607 (INVERTER) /FERS CLK27MHz 2 4 TO VIDEO BLOCK DIAGRAM FG-IN 80 14 12 RELAY CBA CN401 10 FG-IN DVD MAIN CBA UNIT AV CBA CN1001 21 22 23 24 26 RM2001 REMOTE SENSOR IC2001 (FRONT PANEL CONTROL) 1G 23 7G 17 ~ ~ 2 FP-STB 28 FP-DIN 27 FP-DOUT 1 FP-CLK a/KEY-1 7 b/KEY-2 8 c/KEY-3 9 d/KEY-4 10 e 11 f 12 g 13 h 14 i 16 K2 4 K1 3 SW2115 POWER JP1004 1 K2 2 KEY-2 SWITCH CBA JP1003 1 2 1-9-1 1-9-2 GRID FL2001 FIP SEGMENT KEY MATRIX E56B0BLS