Kenwood YK-88SN, PS-50, SP-430, PS-430, MB-430, AT-440, VS-1 Rese T SE T DAT a Clock, Reset, TOP View

TS-4405

SEMICONDUCTO R

TC4013 (Display unit IC3 )

RESE T
SE T		6		8
DAT A	5 - D	S Q		9 - D S	0 - 13
	3 - CL	R	0 2	I I - CL	0 -12
CL	CL			R
				10
CLOCK	C L
	CL

TC4040BP (Control unit IC55)

		QI	Q2		03		Q4	05	06
			O © ® ®						0
CLOCK 10C'>		LD	D				D
		OOD--CP _	CP _	CP _ ~-CP -			-CP	CP
		R O	R O	RO	R	0		-	-
								R0	R 0
RESET	DO
		R	R	R	R			R	R
		CP	CP	CP	CP			CP	CP
		D	D	D				D	D
			012 Q5)0I	I	(14)Q10		(12)09	(13)08	(4)0 7

TC4069BP (Control unit IC4)

(TOP VIEW)

I

1

28