Sony XR-C440 service manual IC Block Diagrams, BU2624F-E2, IC361, IC651, IC161 LC75373ED

•	IC Block Diagrams
IC1		BU2624F-E2
XOUT		1			20	VSS
	XIN	2	REFERENCE	PHASE
			DIVIDER		19	PD1
				DETECT
					18	VDD
	CE	3	I/O
			CONTROL
					17	FMIN
	CK	4
	DA	5	MAIN		16	AMIN
			COUNT
	CD	6
	P0	7	SHIFT	PRESCALLER
			REGISTER
			LATCH
	P1	8			15	P2
			IF COUNT		14	IF1
	P3	9
			CONTROL
	P4	10	20BIT COUNT		13	IF2
					12	SD
					11	PD2

IC361		MM1322XFBE
GND	1
			8	OUT2
		CIRCUIT	7	VS
IN2	2
VCC	3	CONTROL
IN1	4		6	OUT1
			5	GND

IC651	RN5VD23AA-TL
	CD	NC
	5	4
		VREF
		+
		–
1	2	3
OUT	VDD	GND

IC161 LC75373ED

	LVRIN	LCOM
	33	32
	+	+
		–
	–
LSELO	34
L4	35
L3	36
L2	37	+
L1	38	–
VDD	39
R1	40	–
R2	41	+
R3	42
R4	43
RSELO	44
	–	–
	+
		+
	1	2
	RVRIN	RCOM

LT1

LT2

LT3

LTOUT

LSIN

LS1

LS2

LS3

LSOUT

31 30

29

28 27 26

25 24

23

–

22

LFIN

–

+

+

21

LFOUT

+

–

+

20

LROUT

–

–

+

+

–

19

VREF

+

DECODER

LATCH

SHIFT

CONTROL

18

CE

–

REGISTER

17

DI

+

16

CL

15

VSS

–

–

14

RROUT

+

+

–

13

RFOUT

+

–

+

12

RFIN

–

3

4

5

6

7

8

9

10

11

RT1

RT2

RT3

RTOUT

RSIN

RS1

RS2

RS3

RSOUT

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