Casio CTK-650 manual Block Diagram

Page 4

BLOCK DIAGRAM

RAM-1(64K)

MN4464-08L-1

	KC0~KC7	Key Touch	D0~D7
	KC0~KC7	LSI	D0~D7
		LSI
Keyboard			Address Bus
Keyboard
	SI0~SI7	HG52E35P
	FI0~FI7

ROM(16M)	RA0~RA19	LSI-S
ROM(16M)		LSI-S
TC5316200CP-C079		HG51A115A01FD
	RD0~RD15

7-Segment		LO0~LO4
LED		LO0~LO4
LED
La		LED driver
~Lp		BA612
		KO0~4
CPU		KO0~KO5
CPU
HD6433298A16P			Buttons
HD6433298A16P
(H8/329)		KI1~KI7
		KI1~KI7
		VDD
MIDI		100K
OUT IN		Power Switch
EA0~EA12		RAM-2(64K)
		RAM-2(64K)
	MN4464-08L-2
ED0~ED7

WCK1 SLOP BCK

D/A Converter µPD6376CX

Filter		Filter

Main

Volume

Power Amplifier

LA4598

Output

Speakers

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Contents CTK-650 Contents Specifications Block Diagram Circuit Description Specification FULL-RANGE ChordBlock Diagram Circuit Description CPUHD6433298A16P H8/329Digital Signal PROCESSOR, LSI-S HG51A115A01FD GND2KEY Touch LSIHG52E35P Power AMPLIFIERLA4598 Button Matrix KEY Matrix Wiring Diagram M616T-KY2MTC74HC174AP HEX D-TYPE Flip Flop with Clear IC Lead Identification and Internal CircuitTC74HC08AP Quad 2-INPUT and Gate DTA114TS PCB View & Major Waveforms Schematic Diagram M5711-MA1M Schematic Diagram M5711-CN1M Parts List N N FOB Japan Code No Parts Name Specification Yen Unit Price Screws Exploded View MA0200941A