Jul, 1998 JP-8080 U T S R Q P O N M L K J I H G F E D C B A BLOCK DIAGRAM ／ブロック図 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 PANEL BOARD ASSY [71017556] EXT. IN VOCAL / UPPER MIC.
IN VOCAL / UPPER Input Volume (Lower = VR43) (Upper = VR44) Sig / Limiter Indicator (Lower = D84) (Upper = D85) RN2226 (Q1-Q6, Q15-Q22) OP.AMP 4570 (IC1, IC5, IC9) HC4051 (IC2, IC4, IC6, IC8, IC10,IC11) SW & LED Matrix VR Matrix Decoder & Driver (JK401) Mic Jack 2SC1815 (Q7-Q14) HC273 (IC7) HC138 (IC3, IC13) MIC BOARD ASSY [71017589] MAIN BOARD ASSY [71017534] Upper Lower Lower Upper AMP Gain +24.6dB OP.AMP 4570 (IC44B) Lower Upper AD Section DA Section Mic AMP Gain +30dB OP.AMP 4570 (IC50) (Q7, Q9, Q17, Q18, Q23) Switching Limiter VCA M5241L OP.AMP 4570 (IC48, IC46, IC51) AD/DA PCM3001 (IC32) AMP Gain +24.6dB OP.AMP 4570 (IC44A) CPU HD6413002FP (IC7) X' TAL 16MHz MA-406 (X1) Voltage Follower Gain 0dB OP.AMP 4570 (IC43B) SW BOARD ASSY [71017578] CARD BOARD ASSY [71017567] REMOTE KBD IN EXT.
IN INST / LOWER (MONO) Voltage Follower Gain 0dB OP.AMP 4570 (IC43A) X' TAL 67.7376MHz SG-8002DC (X2) 8M bit FLASH ROM [70ns] LH28F800SUT (IC62) Card Control 7W08, HC32, HC175 (IC38, IC41, IC42) Bus Buffer HCT245 (IC40) Card Connector CN015S-3013-0 (CN202) for 5V SmartMedia [2M or 4M] Divider (1/768) VHC163 (IC59, IC60, IC61) To IC17 - 21 OSC IN [67.7376MHz] Memory Backup CR2032 [3V] (BT1) 1M bit SRAM [70ns] TC551001CFL (IC11, IC13) LCD I/F HC74 & HC574 (IC3, IC4) RCM7044U-1A LCD UNIT [16X2] To IC17 - 21 SYNC IN [2Fs=88.2kHz] MIDI OUT Transmitter HD74LS05 Vocal Morph Sig.
LINE OUT [L(MONO), R] MIDI OUT MIDI IN MIDI IN Receiver PC410 (IC47) DAC uPD63200GS (IC36) ESP2 CHIP TC170C140 (IC21) ESP2 CHIP TC170C140 (IC20) ESP2 CHIP TC170C140 (IC19) ESP2 CHIP TC170C140 (IC18) ESP2 CHIP TC170C140 (IC17) To IC32 XT1 IN 64Fs 256Fs REMOTE KBD IN Receiver PC410 (IC45) To IC32 BCKIN IN 4M bit DRAM [60ns] HM514800DJ6Z (IC64) 4M bit DRAM [60ns] HM514800DJ6Z (IC25) 4M bit DRAM [60ns] HM514800DJ6Z (IC24) 4M bit DRAM [60ns] HM514800DJ6Z (IC23) 4M bit DRAM [60ns] HM514800DJ6Z (IC63) Buffer OP.AMP 4570 (IC37) Master Volume (VR601) LPF & Buffer OP.AMP 4570 (IC55) Headphone AMP OP.AMP 5218 (IC56) For IC32 Reset Reset M51953 (IC67) For Analog Reset Reset M51953 (IC52) For Digital Reset Reset M51953 (IC2) -15V +15V +5V SWITCHING REGULATOR PHONES OUT Phones Jack (JK501) VOLUME BOARD KW1AA265 PHONES BOARD ASSY [71017590] PHONES BOARD AC IN ~ 13 Master Volume (VR601) AMP Gain +24.6dB OP.AMP 4570 (IC44B) AMP Gain +24.6dB OP.AMP 4570 (IC44A)