POWERFULL RANGECHORDFINGEREDMAXSTARTTEMPOREVERBSYNTHMIXERMEMORYSTEPACCOMPVOLUMESTOPMINCASIO CHORDNORMALFREESESSIONTOUCHRESPONSELAYERSPLITCURSORPITCH B
— 9 —2.2K270PF560PF0.01 µFAG AG AGAGAG22 ΩQ1102SC1740SQ.RAGAVDDAVDD10K18K6.3V 1000 µ22K1KQ1072SC1740SQ.R10 V22 µFrom DACTo main volume+10K10K10K150PFS
— 10 —POWER AMPLIFIER (IC101: TA8248K)The power amplifier is a two-channel amplifier with standby switch.The following table shows the pin function of
— 11 —3) Equipment connection/ProcedureVop voltage settingOutputSet VoltmeterTP2InputConnectionInputPointInputSignalAdjustOutputConnectionOutputPointA
— 12 —MAJOR WAVEFORMS1 NMI signalJE connector pin 162 APO signalJD connector pin 95 Key scan signal KC0JB connector pin 16 Key scan signal KC1JB conne
— 13 —PRINTED CIRCUIT BOARDSSub PCB JCM462-MA2MMain PCB JCM462-MA1MTop ViewTop ViewBottom View569102378141211
— 14 —SCHEMATIC DIAGRAMSMain PCB JCM462-MA1M10978235614
— 15 —Sub PCB JCM462-MA2M/Volume PCB JCM462-MA3M1211
— 16 —Display PCB JCM462-LCD1M
— 17 —Keyboard PCBs JCM617T-KY1M/KY2M
— 18 —LCDCommonSegmentSEG 1SEG 2SEG 3SEG 4SEG 5SEG 6SEG 7SEG 8SEG 9SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25SEG
— 1 —SPECIFICATIONSGENERALKeyboard: 61 standard-size keys, 5 octaves (with touch response on/off)Drum pads: 6Tones: 200 (128 General MIDI, 32 synthesi
— 19 —EXPLODED VIEW202615132127111081R-37361425R-1231217182414162292R-25419
Notes: This parts list does not include the cosmetic parts, whichparts are marked with item No. "R-X" in the explodedview.Contact our spare
Item Code No. Parts Name Specification Q RMain PCB1 6925 8440 Main PCB ass'y, M462-MA1M M240613*1 1 BLSI1 2012 4879 LSI, CPU UPD913GF-3BA(T) 1 AL
Item Code No. Parts Name Specification Q R23 6925 8680Rubber button 462GM240548-11B24 6913 6410Slide contact 12DCSB-12D1B25 6921 5030Slide knobM311859
MA0400571A
— 2 —ELECTRICALCurrent drain with 9 V DC: No sound output 200 mA ± 20 % Maximum volume 810 mA ± 20 %with 12 keys from C3 to B3 pressed in Squa
— 3 —KC0 ~ KC7FI0 ~ FI9SI0 ~ SI9KI0 ~ KI2PB0 ~ PB3P10, P13P14, P17Working StorageRAM (256K-bit)LSI4TC55257DFL-70L(EL)MIDIEA0 ~ EA14EIO0 ~
— 4 —CIRCUIT DESCRIPTIONKEY MATRIXBUTTON MATRIX0AP1AP2AP3AP0BPegnaRlluFdrohCortnIhcuoTesnopseRbreveR1BPderegniF/lamroNnI-lliFnoisseSeerFpmoccAemuloV2B
— 5 —Reset ICIC1RN5VD40AADSPLSI2HG51B277FB-1VDDReset signalTo power supply circuitVDDBattery setRESETVDDPOWERFrom power switchNMIAPOPLECPULSI1UPD913GF
— 6 —CPU (LSI1: UPD913GF-3BA)The 16-bit CPU contains a 1k-byte RAM, three 8-bit I/O ports, two timers, a key controller and serial interfaces.The CPU
— 7 —DIGITAL SIGNAL PROCESSOR (LSI2: HG51B227FB-1)The DSP receives 16-bit serial sound data output from the CPU and adds the selected effect to the so
Pin No. Terminal In/Out Function49 EOEB Out Read enable signal output for the effect RAM50 VSS3 In Ground(0V) source60 EWEB Out Write enable signal ou
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