Casio CTK-750 Service Manual
Also see for CTK-750: Operation manualOperation manual
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— 3 —BLOCK DIAGRAMKC0 ~KC7SI0 ~ SI7FI0 ~ FI7Key Touch LSIHG52E35PWorking StrageRAM (256K-bit)HM62256ALP-10Working StrageRAM (256K-bit)HM62256ALP-107-SegmentLED LO0 ~ LO4LED driverBA612LD0 ~ LD7KO0 ~ KO7ButtonsKI1 ~ KI7VDDPower SwitchMIDIINOUTEA0 ~ EA14ED0 ~ ED7DSPHG51A115A01FDRA0 ~ RA19RD0 ~ RD15Sound Source ROM(16M-bit)TC5316200CP-C081WCK1 SLOP BCKD/A ConverterUPD6376CXFilterFilterMainVolumePower AmplifierLA4620Gate ArrayUPD65005C-578CPUHD6433298A18PKeyboardA0 ~ A15 POWERPower Supply CircuitQ1 ~ Q7VCC AVDD VDDLVDD DVDDVDAPOEffect RAM(256K-bit)HM62256ALP-10D0~D7SpeakersOutputA0 ~ A14 A0 ~ A3A0 ~ A2LEDs |
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