Apr,1999 VK-77 17 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 CN2 REGISTRATION_L BOARD to CN10 PANEL_A BOARD to to LCD UNIT 1 1 CN13 53253-1110 CN10 IL-FPC-24ST-N CN8 IL-FPC-14ST-N R58 10k 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 C114 0.1 C113 0.1 C411 0.1 C410 33/16 LS2 LS1 LS0 LS3 PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 LLCK SS2 SS1 SS0 SS3 XSSEN XRSTA C171 0.1 C170 33/16 C173 0.1 C172 33/16 1 IC26E TC74VHC32AF 1M(8bit)x2 1 4 7 C417 0.01 C416 0.01 C415 0.01 C418 0.01 C157 0.01 C153 0.01 C152 0.01 C137 0.1 C138 0.1 C139 0.1 1 4 7 XP3 ECS9 Slave XP1 ECS8 Slave XP2 ECS7 Slave XP0 ECS4 Master SRAM ECS1 FLASH ECS0 A1FFFFFh 4M IC24C TC74HC21AF C413 0.01 C414 0.01 C412 0.01 C422 0.01 C151 0.01 C155 0.01 R57 47k R59 6.8k XPWR3 XPWR2 XPWR1 XPWR1 XPWR0 XPWR0 C37FFFFh 6FFFFFFh C300000h C2FFFFFh C280000h C27FFFFh C200000h C0FFFFFh C000000h A27FFFFh A200000h A000000h XXP0WAIT XXP0WAIT XXP1WAIT XXP2WAIT XXP3WAIT RA29 10k C156 0.01 C166 1000p C423 0.01 C165 1000p C154 0.01 C164 1000p R68 1.5k XPWR3 XPWR2 KEY SCAN1 ECS5 KEY SCAN0 2300000h 61/61keys 1 2 3 4 5 6 7 8 9 C163 1000p C162 1000p C161 1000p N2012Z102 Q6 2SC4116GR 2 3 2 3 IC26A 4 5 6 IC26B 9 10 8 IC26C 12 13 11 IC26D TC74VHC32AF *ADDRESS MAP* ECS11 IIC CN *NIU* G/A ECS6 FDC *NIU* *NIU* 23FFFFFh ECS3 XXP1WAIT XXP2WAIT XXP3WAIT C159 1000p C160 1000p C158 1000p L26 L27 L28 L29 L30 L31 L32 L33 1 6100000h 43FFFFFh 41FFFFFh 4380000h 4180000h 417FFFFh 4100000h IC24A TC74HC21AF 4 5 1 2 LCDCONT SS3 SS2 SS1 SS0 LS3 LS2 LS1 LS0 XSSEN LLCK PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 XPRD LCDCONT XXP3CS XXP2CS XXP1CS XXP0CS 6 N2012Z102 N2012Z102 C476 NIU IC10 M60205-0601FP MIDII0 R228 0 L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12 L13 L14 L15 L16 L17 L18 L19 L20 L21 L22 L23 L24 L25 2 4 to FDD UNIT MIDI IN 6 WRHO 4 WRLO 5 WAIT IN 25 PORT7 66 PORT6 65 PORT5 64 PORT4 63 PORT3 62 PORT2 61 PORT1 60 PORT0 59 PWM 2 3 PWM 1 67 ENC B 69 ENC A 68 SS3 74 SS2 73 SS1 72 SS0 71 LS3 78 LS2 77 LS1 76 LS0 75 SSEN 70 LLCK 81 PD7 89 PD6 88 PD5 87 PD4 86 PD3 85 PD2 84 PD1 83 PD0 82 RS/CD 90 R/W 91 LE/RD 92 LCD 7 100 LCD 6 99 LCD 5 98 LCD 4 97 LCD 3 96 LCD 2 95 LCD 1 94 LCD 0 93 J15 0 C477 NIU 5 1 3 IC71 NIU C149 0.1 C150 33/16 C134 0.1 C133 0.1 C132 0.1 C131 0.1 V S S 1 4Q 15 3Q 10 2Q 7 1Q 2 4Q 14 3Q 11 2Q 6 1Q 3 HD STATUS 2 IN USE 4 D SEL3 6 INDEX 8 D SEL0 10 D SEL1 12 D SEL2 14 DIR SEL 18 WR DATA 22 WR GATE 24 TRACK00 26 WR PRTCT 28 RD DATA 30 SIDE SEL 32 READY 34 2 9 5 2 7 9 2 V D D V D D V D D V D D V S S V S S V S S V S S V S S 2 8 3 3 4 0 5 3 8 0 1 6 D4 13 V C C D3 12 D2 5 D1 4 CLR 1 G N D CK 9 8 IC70 NIU CN5 DGND 1 NC 3 DGND 5 DGND 7 DGND 9 DGND 11 DGND 13 DGND 15 MO 16 DGND 17 DGND 19 STEP 20 DGND 21 DGND 23 DGND 25 DGND 27 DGND 29 DGND 31 DGND 33 NIU A21 23 A20 22 A19 21 A5 20 A4 19 A3 18 A2 17 A1 16 A0 15 D7 14 D6 13 D5 12 D4 11 D3 10 D2 9 D1 8 D0 7 XRD 34 XWRH 35 XWRL 36 XDREQ 31 XDACK 32 WAIT OUT 37 CS6 41 CS4 39 CS2 38 XIREQ 24 ECS11 55 ECS10 54 ECS9 51 ECS8 50 ECS7 49 ECS6 48 ECS5 47 ECS4 46 ECS3 45 ECS2 44 ECS1 43 ECS0 42 EXTINT2 58 EXTINT1 57 EXTINT0 56 CLK IN 27 CLK OUT 30 RESET 26 20MHZ R62 NIU XINP FDS3 XINDEX FDS0 FDS1 FDS2 16PIN XHDIR XSTEP XWDATA XWGATE XTRK0 XWPRT XRDATA XHSEL 34PIN C193 NIU C111 NIU XPRD J16 0 FDS1 FDS2 FDS0 FDS3 FDS1 FDS0 RDYCTRL 34PIN XDS0 XRDY 16PIN 16PIN FDS1 XINDEX XINP XWPRT XTRK0 XWGATE XWDATA XSTEP C127 NIU XHSEL XRDATA XGAIRQ XECS11 XFDCCS XXP2CS XXP1CS XXP3CS XSSC1CS XXP0CS XSSC0CS XROMCS RAMCS XSSC0IRQ XSSC1IRQ XINDEXINT R89 0 R88 0 XXP0CS XXP1CS XXP2CS XXP3CS A[0..13] D[0..15] XSSC0CS XSSC1CS 10MHZ XSSC0IRQ XSSC1IRQ J13 NIU J14 NIU 8 A2 5 A1 2 Y2 3 V C C Y1 6 G2 7 G N D G1 1 4 IC67 TC7W126FU 1 8 2 7 3 6 4 5 RA26 NIU J6 NIU J7 NIU XHDIR A19 A20 A21 A0 A1 A2 A3 A4 A5 D0 D1 D2 D3 D4 D5 D6 D7 XRD XWRL RA27 10k 1 8 2 7 3 6 4 5 XWAIT XCS6 XCS4 XCS2 20MHZ 10MHZ XRSTA A[0..13] D[0..15] C430 0.1 C116 NIU 3 IC15 NIU C117 NIU J4 NIU J5 NIU J3 NIU XRD XWRL R110 NIU R108 NIU R109 NIU R106 NIU R107 NIU R64 NIU R63 NIU 5 2 4 5 2 4 3 J2 NIU C119 NIU C120 NIU C122 NIU C123 NIU C121 NIU C125 NIU C126 NIU C128 NIU C129 NIU R212 10k RA30 10k R111 10k 1 2 3 4 5 6 7 8 9 1 8 2 7 3 6 4 5 RA28 10k XINP XTRK0 XWPRT XRDATA XRDY 1 XDS0 XDS3 XDS3 IC14 NIU 1 C118 NIU C124 NIU IC22A NIU 3 5 IC22B NIU 1 7 C169 33/16 C104 0.1 XRSTA C105 0.1 R226 NIU J8 NIU C94 NIU C109 NIU C107 NIU C108 NIU XRDATA XINDEX XTRK0 XWPRT XRDY XINP XWDATA XWGATE XSTEP XHDIR XHSEL XDS0 */DQ15 52 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 DQ14 50 DQ13 48 DQ12 46 DQ11 42 DQ10 40 DQ9 38 DQ8 36 DQ7 51 DQ6 49 DQ5 47 DQ4 45 DQ3 41 DQ2 39 DQ1 37 DQ0 35 NC 11 NC 12 NC 15 NC 16 VPP VPP 17 C167 0.1 VCC 43 VCC 44 GND 33 GND 53 C168 0.1 D8 D9 D10 D11 D12 D13 D14 D15 I/O8 21 I/O7 20 I/O6 19 I/O5 18 I/O4 17 I/O3 15 I/O2 14 I/O1 13 VDD 32 GND 16 TC551001BFL-70L D0 D1 D2 D3 D4 D5 D6 D7 I/O8 21 I/O7 20 I/O6 19 I/O5 18 I/O4 17 I/O3 15 I/O2 14 I/O1 13 VDD 32 GND 16 TC551001BFL-70L C194 NIU IC21 RDATA 35 INDEX 34 TRK0 33 WPRT 32 READY 31 INP 30 WDATA 48 WGATE 47 STEP 50 HDIR 51 HLOAD 52 HSEL 53 DS3 58 DS2 57 DS1 56 DS0 55 MON3 63 MON2 62 MON1 61 MON0 60 NC 38 NC 43 IFS 28 SFORM 29 XTALSEL 2 NUM2 27 NUM1 26 V S S 9 6 4 IC18 LH28F400SUT-60 NC 1 NC 2 RY/BY 18 NC 1 NC 1 C192 NIU 2 5 4 4 4 5 4 6 V C C 1 V C C 2 V C C 3 V C C 4 V S S 3 V S S 4 V S S 5 V S S 6 V S S 7 V S S 8 2 3 4 1 4 2 4 9 5 4 5 9 A17 20 A16 55 A15 3 A14 4 A13 5 A12 6 A11 7 A10 8 A9 9 A8 10 A7 21 A6 22 A5 23 A4 24 A3 25 A2 26 A1 27 A0 31 NC 19 NC 28 NC 29 NC 30 NC 56 CE 32 WE 13 OE 34 BYTE 54 RP 14 IC19 A15 31 A16 2 A14 3 A13 28 A12 4 A11 25 A10 23 A9 26 A8 27 A7 5 A6 6 A5 7 A4 8 A3 9 A2 10 A1 11 A0 12 CE1 22 CE2 30 R/W 29 OE 24 IC20 A15 31 A16 2 A14 3 A13 28 A12 4 A11 25 A10 23 A9 26 A8 27 A7 5 A6 6 A5 7 A4 8 A3 9 A2 10 A1 11 A0 12 CE1 22 CE2 30 R/W 29 OE 24 IC22D NIU RS1 9 RS0 8 D7 19 D6 18 D5 17 D4 16 D3 15 D2 14 D1 13 D0 12 RESET 3 RD 4 WR 5 CS 6 IRQ 21 DREQ 20 DACK 7 DEND 22 8"/5" 1 EXTAL1 40 XTAL1 39 EXTAL2 37 XTAL2 36 1/2EX1 24 V S S 1 V S S 2 1 0 1 1 R215 0 R216 0 1 8 2 7 3 6 4 5 RA117 0 RA114 0 RA115 0 RA116 0 BA1 BA2 BA3 BA4 BA5 BA6 BA7 BA8 BA9 BA10 BA11 BA12 BA13 BA14 BA15 BA16 BA17 BA18 XRD XWRH XROMCS XRSTA A16 A17 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 XRSTA XWRH XRD A16 A17 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 XRSTA XWRL XRD 8 4 IC22C NIU R209 NIU XFDCIRQ XFDCDREQ NIU BA18 BA17 BA1 BA2 BA3 BA4 BA5 BA6 BA7 BA8 BA9 BA10 BA11 BA12 BA13 BA14 BA15 BA16 RA18 10k RA19 10k RA20 10k RA21 10k RA22 10k RA23 10k XWRL XRD R84 10k R83 10k R65 10k R53 10k 6 2 A0 A1 BD0 BD1 BD2 BD3 BD4 BD5 BD6 BD7 FDCRST XRD XWRL XFDCCS XDEND DTR 4 C96 NIU C95 NIU 1 X1 NIU 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 8 2 7 3 6 4 5 XXP0IRQ XXP1IRQ XXP2IRQ XXP3IRQ RA25 10k 5 2 4 3 IC13 TC7S00F A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A0 A1 A2 A3 A4 A5 D15 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 1 8 2 7 3 6 4 5 C175 0.1 1 RAMCS BD0 BD1 BD2 BD3 BD4 BD5 BD6 BD7 C420 NIU C421 NIU C292 0.1 1 RA113 10k 2 3 4 5 6 7 8 9 XECS11 XRD A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 RA9 47 RA10 47 RA11 47 RA12 47 RA13 47 R85 47 R86 D15 RA14 47 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 RA15 47 RA16 47 RA17 47 VPPCTRL FC3 XGAIRQ XXP0IRQ XFDCIRQ XXP3IRQ XXP2IRQ XXP1IRQ XFDCDREQ B8 11 B7 12 B6 13 B5 14 B4 15 B3 16 B2 17 B1 18 RA111 NIU RA112 NIU PB11 D5 D3 D1 D7 A0 A2 10 10 11 11 XWRL 12 12 XIRQ0 13 13 D6 D4 D2 D0 14 14 15 15 16 16 17 17 XRSTA 18 18 A1 19 19 MCTRL 20 20 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 47 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 XWRH XWRL XRD XWAIT XCS6 XCS4 XCS2 DTR XIRQ0 20MHZ HD6437034F20 2 0 A8 9 V C C A7 8 A6 7 A5 6 A4 5 A3 4 A2 3 A1 2 G 19 G N D DIR 1 1 0 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 A[0..9] A[0..9] BD[0..7] CN25 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 NIU IC17 A21 47 A20 46 A19 45 A18 44 A17 42 A16 41 A15 39 A14 38 A13 37 A12 36 A11 35 A10 34 A9 33 A8 32 A7 30 A6 29 A5 28 A4 27 A3 26 A2 25 A1 24 A0(HBS) 23 AD15 21 AD14 20 AD13 19 AD12 18 AD11 17 AD10 16 AD9 14 AD8 13 AD7 11 AD6 10 AD5 9 AD4 8 AD3 7 AD2 6 AD1 5 AD0 4 PA5/WRH 58 WRL 57 RD 59 PA8/BREQ 62 PA7/BACK 60 WDTOVF 78 WAIT/CS7 56 CS6 55 RAS/CS5 54 CS4 53 CASL/CS3 51 CS2 50 CASH/CS1 49 CS0 48 PA9/AH/IREQOUT 63 TP15/IREQ7 2 TP14/IREQ6 1 TP13/SCK1/IREQ5 112 TP12/SCK0/IREQ4 111 DREQ1/IREQ3 69 DACK1/IREQ2 68 DREQ0/IREQ1 67 DACK0/IREQ0 66 NMI 76 CK 71 IC50 TC74VHC245AF BD[0..7] IIC DAUGHTER BOARD to 7 5 8 3 8 4 9 9 V C C V C C V C C V C C V S S V S S V S S V S S V S S 5 2 6 1 7 2 9 6 1 0 6 7 7 1 5 4 3 7 0 V P P V C C V C C V C C RXD0/PB8/TP8 107 TXD0/PB9/TP9 108 RXD1/PB10/TP10 109 TXD1/PB11/TP11 110 PB7/TOCXB4 105 PB6/TOCXA4 104 PB5/TP5/TIOCB4 103 PB4/TP4/TIOCA4 102 PB3/TP3/TIOCB3 101 PB2/TP2/TIOCA3 100 PB1/TP1/TIOCB2 98 PB0/TP0/TIOCA2 97 PA11/TIOCB1 65 PA10/TIOCA1 64 AN7/PC7 95 AN6/PC6 94 AN5/PC5 93 AN4/PC4 92 AN3/PC3 90 AN2/PC2 89 AN1/PC1 88 AN0/PC0 87 AVREF 86 EXTAL 73 V S S V S S V S S V S S V S S 1 2 2 2 3 1 4 0 3 D0 D1 D2 D3 D4 D5 D6 D7 8 IC24B TC74HC21AF 2 4 MD2 82 MD1 81 MD0 80 AVCC 85 AVSS 91 XTAL 74 20.000MHz RES 79 C97 NIU 9 10 XSSC0CS XSSC1CS 12 13 5 C419 0.1 1 XWRL 3 IC47 TC7S02F C147 0.1 C148 33/16 PB11 MIDII0 MIDIO0 MIDII1 ROTSENS FAST SLOW MPX0 MPX1 MPX2 R81 10k R82 10k XDEND Q1 DTA124EK AN0 AN1 AN2 AN3 AN4 AN5 AN6 AN7 C103 0.1 1 4 X2 MA406 R69 0 XECS11 XFDCCS C140 0.1 C141 0.1 C142 0.1 C143 0.1 C144 0.1 C145 0.1 R48 10k R49 10k RDYCTRL FDCRST 1 C77 100p RA24 10k C85 12p C86 10p XRSTA C180 470p C179 470p C178 470p C177 470p MPX[0..2] 2 3 BNDCLK AN[0..7] 1 8 2 7 3 6 4 5 BATTCHK BATTCHK C130 0.1 IC16G TC74HC4050AF MCTRL XSLVRST R224 100 R223 100 R225 100 MPX[0..2] BNDCLK AN[0..7] VPPCTRL DTR XDEND IC27B TL062CPS C90 100p 1 8 IC16E TC74HC4050AF MCTRL R S T IC16F TC74HC4050AF XSLVRST C475 470p 5 7 R52 1k IC27A TL062CPS 3 2 IC16A TC74HC4050AF 5 4 IC16B TC74HC4050AF 11 12 14 15 C437 680p C275 1200p MAIN BOARD CPU C473 100p C472 100p C474 100p C181 33/16 C174 0.1 C438 33/16 C440 0.1 C439 33/16 Q5 RN2421 VPP R61 10k C115 1.0 6 C92 33/16 3 1 XRSTA XRSTB C187 0.1 C188 33/16 MIDI IN1 MIDI IN0 CN8 MIDI JACK BOARD to XRSTA MIDI OUT FC2 FC3 FC1 FC0 C182 0.1 FC[0..2] FC[0..2] 2 3 C106 0.1 2 R50 10k R51 100k BT1 CR2450BH IC16C TC74HC4050AF XRSTA IC16D TC74HC4050AF XRSTB R206 4.7k R211 4.7k C93 1/50 CN12 53253-0610 1 1 2 2 3 3 4 4 5 5 6 6 CN11 52147-1010 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 CN7 B6B-XH-A 1 1 2 2 3 3 4 4 5 5 6 6 C102 0.1 C89 33/16 R60 1 1.5k IC27C TL062CPS 8 4 2 1 SYSTEM RESET & XP MODE Ctr l 7 6 9 10 NC 1 NC 2 NC 3 NC 8 DLY 5 CN4 ANALOG BOARD to from PS BOARD VPP Ctr l VPPCTRL BATTERY DA11 RB715F 1 2 3 C91 33/16 R87 10k 6 VCC 7 GND 4 IC12 M51953BFP CN6 A B C D E F G H J K L M N O P Q R S T U I