Casio CTK-650 User Manual

(with price)CTK-650ELECTRONIC KEYBOARDRCTK-650

— 8 —KEY MATRIXNote:Each key has two contacts, the first contact1 and second contact .2KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7FI0 C2 1 C#2 1 D2 1 D

— 9 —WIRING DIAGRAMFI1FI2FI0SI0SI1SI2SI3FI3KC0KC1KC2KC3KC4KC5KC6KC7KC0KC1KC2KC3KC4KC5FI4SI4KC6KC7SI5SI6SI7FI5FI6FI7M616T-KY1MJA CONNECTOR117M616T-KY2M

— 10 —IC LEAD IDENTIFICATION AND INTERNAL CIRCUITUPD6376CX (D/A converter) TIMINGGENERATORSHIFT REGISTER LATCHMAIN DACSUB DACSUB DACMAIN DA

— 11 —321OUTVDDVSSS-8053ANO2SB1274M5218APR+-+-12345678VCCGNDS-81350HGS-8053ANO2SB12402SD1858BCE312ECBE C B2SC1740DTA114TS2SA933

— 12 —110 11 12 132 53 64717891615191814PCB VIEW & MAJOR WAVEFORMS

— 13 —181916179814154 73 62 510 11 12 131SCHEMATIC DIAGRAM M5711-MA1M

— 14 —SCHEMATIC DIAGRAM M5711-CN1M

PARTS LISTCTK-650Notes: 1. Prices and specifications are subject to change with-out prior notice.2. As for spare parts order and supply, refer to the&

FOB JapanN Item Code No. Parts Name Specification Q M N.R.Yen R * Unit PricePCB ass'y M5711-MA1M2011 3325 LSI UPD6376CX

FOB JapanN Item Code No. Parts Name Specification Q M N.R.Yen R * Unit Price2765 1344 Slide volume EWA-MJCC25B23 1 1 110 A B2801 7910 Electr

CONTENTSSPECIFICATIONS ...1BLOCK DIAGRAM ...

FOB JapanN Item Code No. Parts Name Specification Q M N.R.Yen R * Unit PriceMechanical PartsN 1 6922 3800 Display window 711 M312128-1

— 19 —EXPLODED VIEW

MA0200941A

— 1 —Number of keys: 61Polyphony: 32-note(max.)Preset tones: 128Magical preset: BREAK BEAT 16 MELODYCOMP 8SHADOW DRUM

— 2 —BLOCK DIAGRAMKeyboardKC0~KC7SI0~SI7FI0~FI7Key Touch LSIHG52E35PD0~D7 RAM-1(64K)MN4464-08L-1 CPUHD6433298A16P (H8/329)7-Segment

— 3 —CIRCUIT DESCRIPTIONCPU(HD6433298A16P : H8/329)The 16-bit CPU contains a 32K-byte ROM, a 1K-byte RAM, an 8-bit A/D converter, timers and I/O ports

— 4 —DIGITAL SIGNAL PROCESSOR, LSI-S (HG51A115A01FD)The LSI-S is a 16-bit DSP(Digital Signal Processor) and accessable to 16M-bit sound source ROM and

— 5 —KEY TOUCH LSI(HG52E35P)By counting the time between the first key input signal FI and the second SI from the keyboard unit, the keytouch LSI dete

— 6 —POWER AMPLIFIER(LA4598)LA4598 is 2-channel power amplifier with standby switch.Pin No. Terminal In/Out Function1 Power GND In Ground(0V) source.2

— 7 —BUTTON MATRIXNomenclature of KeysF#3 G#3A#3 C#4 D#4F#4 G#4A#4C#5D#5F#5 G#5A#5F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5C6D#3C2 D2E2F2G