Jun,1999 SC-8850 1 2 3 4 5 6 7 8 9 10 10 10 10 11 11 11 11 12 12 12 12 13 13 13 13 14 14 14 14 15 15 15 15 16 16 16 16 17 17 17 17 18 18 18 18 19 19 19 19 20 20 20 20 21 21 21 21 22 22 22 22 23 23 23 23 24 24 24 24 25 25 25 25 26 26 26 26 27 27 27 27 28 28 28 28 +5V/2.5A +15V/0.25A -15V/0.15A D - 15 A +5 D + 15 POWER SUPPLY SWITCHING DU2L3B034 (Black) (Brown) POWER-SW 12 11 13 SW20 DAout1 DAout2 (White) IC46 IC47 1 2 INL-8 AC-INLET (AC100-240V) IC39 IC19 IC53 IC54 IC18 IC20 IC36 IC13 256k-SRAM 20bit/32kHz D/A AK432 4 20bit/32kHz D/A AK432 4 LCD MODULE DMF51026NU-LA (160x64,Amber) (VRAM) 24.576MHz 1 4 1 2 Phones (FRONT) Output1 DAout2 A M P Output2 SDOC SDOD (REAR) (REAR) IC4 IC11 IC8 IC9 IC3 (Tone_Prm.) (System) LCDC SED1335 8bit 16bit 16bit 16bit 16bit RA09-002 (Master) (Slave) IC2 IC7 IC5 IC6 4M-DRAM 128Mbit x2 4M-DRAM (DelayLine) (DelayLine) JK 1 JK2 B JK2 C 1 4 10MHz SDIA SDOA SDIA 2 3 1 A 12 22 11 A 12 22 11 A 8M-Flash Mask-RO M (WAVE) Exclusive Selection (IC8,IC10) IC3 IC2 IC7 IC5 IC1 (Preview) IC12 IC10 (Tone_Prm.) *2 16M-MASK *1 RA09-002 4M-DRAM (DelayLine) A M P 1 2 D VR2 256k-SRAM 16M-Flash 22 A Volume (FRONT) 13 12 21 11 A Note:
PC Mac 4M-DRAM (WORK) 8bit MB87837 (EFX) 20 30 1MHz (forM ac) Input-VR (REAR) IC4 VR1 LPF LPF Comput er I/F 10 6 1 4 24MHz 22 12 1 2 3 4 5 (Sub-Syst em) USB M 3 7 640E 8bit 8bit TC160G22AF 23 13 1 A DAout1 (REAR) JK 3 7 8 IC21 28.224MHz I/O M34051 RS422 Driver 12 11 13 IC1 A M P LINE-IN A A A A TX0,1 RX0,1 CPU SH7016 (64kB-MASK ) 1 2 SW + 15 +5 A Serial Communication Ch.
1 2 1 2 12 22 11 A AN7805F IN 1 OUT 3 A (TO-220) HeatSink) (with BLOCK DIAGRAM ／ブロック図 ／ブロック図 ／ブロック図 ／ブロック図 IC25 IC24 12 11 13 PANEL BOARD SW JK2A IC6 COM 2 5 2 4 1 2 1 2 +5 D 6 4 3 5 +5 D D 6 4 3 5 D JK 4 7.056MHz 1 4 1 2 LED D 5 2 4 D 5 2 4 1 5 2 4 1 (REAR) 10 20 EN1 1 2 (REAR) 1 4 2 5 3 JK 2 1 4 2 5 3 1 4 2 5 3 JK 1 1 4 2 5 3 USB 1 2 3 4 ENC BOARD LED MIDI OUT2 MIDI OUT1 MIDI MIDI 4 5 EN A B 1 2 3 LED IN2 IN1 MIDI (REAR) PC A B C D E F G H I J K L M N O P Q R S T U 12 Serial 2 3 1 2 3 1 A JK 1 A M P 1 2