Casio CTK-611 User Manual

ELECTRONIC KEYBOARDCTK-611CTK-611POWERFULL RANGECHORDFINGEREDMAXSTARTTEMPOREVERBSYNTHMIXERMEMORYSTEPACCOMPVOLUMESTOPMINCASIO CHORDNORMALFREESESSIONTOU

— 8 —LCD DRIVER (LSI401: SED1278F2A)The LCD driver can drive a dot matrix LCD having 40 segment and 16 common lines. The LSI contains 240graphic symbo

— 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 View121156910237814

— 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

CONTENTSSpecifications ...

— 18 —LCDCommonSegmentSEG 1SEG 2SEG 3SEG 4SEG 5SEG 6SEG 7SEG 8SEG 9SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25SEG

— 19 —EXPLODED VIEW252928R-1R-2R-31317167981230111054622232415311426121918202131727

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 PCB/ASS'Y (MA1M) M240613*1 1 BLSI1 2012 4879 LSI/CPU UPD913GF-3BA(T) 1 ALSI2 2012 2

Item Code No. Parts Name Specification Q R17 3831 0833SPEAKERS12J49A 2 B18 6923 4980RUBBER/BUTTONM312122-2 1 B19 6925 8610RUBBER/BUTTONM240543-1 1 B20

CASIO TECHNO CO.,LTD.Overseas Service Division8-11-10, Nishi-ShinjukuShinjuku-ku, Tokyo 160-0023, Japan

— 1 —SPECIFICATIONSGENERALKeyboard: 61 standard-size keys, 5 octaves (with touch response on/off)Drum pads: 6Tones: 200 (128 General MIDI, 32 synthesi

— 2 —ELECTRICALCurrent drain with 9 V DC: No sound output 340 mA ± 20 % Maximum volume 1012 mA ± 20 %with 12 keys from C3 to B3 pressed in Squ

— 3 —KC0 ~ KC7FI0 ~ FI9SI0 ~ SI9KI0 ~ KI2PB0 ~ PB3P10, P13P14, P17Working StorageRAM (256K-bit)LSI4TC55257DFL-70L(EL)MIDIEA0 ~ EA14EIO0 ~

— 4 —KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7FI10Drum Pad Drum Pad Pitch Bend H9 6 + Tone31HEnterKI0Drum Pad Drum Pad Pitch Bend Start/8 3 — Rhythm42GStopKI1Dr

— 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