Sony XR-C6100 service manual Main Board IC1

•IC Block Diagrams

– MAIN BOARD –

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

IC161

LC75373ED

LVRIN

LCOM

LT1

LT2

LT3

LTOUT

LSIN

LS1

LS2

LS3

LSOUT

33

32

31 30

29

28 27 26

25 24

23

+

+

–

22

LFIN

–

–

–

+

+

21

LFOUT

+

–

LSELO

34

L4

35

+

20

LROUT

L3

36

–

–

L2

37

+

+

+

L1

38

–

–

VDD

39

19

VREF

+

SHIFT

DECODER

LATCH

CONTROL

18

CE

–

REGISTER

17

DI

R1

40

–

16

CL

R2

41

+

+

15

VSS

R3

42

–

–

14

RROUT

R4

43

+

RSELO

44

+

–

13

RFOUT

+

–

–

+

–

+

12

RFIN

–

+

1

2

3

4

5

6

7

8

9

10

11

RVRIN

RCOM

RT1

RT2

RT3

RTOUT

RSIN

RS1

RS2

RS3

RSOUT

– 31 –

IC301

CXA2510AQ-T4

PBEQ1

PBOUT1

GND

TAPEIN1

AUXIN1

DIREF

LINEOUT1

TCH1

NC

MSSW

30

29

28

27

26

25

24

23

22

21

120∝/

NR

70∝

OFF/B

T2

+

–

20

MSMODE

–

+

NR BIAS

PBFB1

31

X1

MS

19

DRSW

MODE

PBRIN1

32

TAPE/AUX

18

TAPESW

PBREF1

33

F2

17

INSW

TAPE EQ

PBFIN1

34

NR

16

NRSW

FWD/RVS

MODE

VCT

35

VCT

PBGND

36

VCC

MS ON/ 15

NC

+

LPF

+

OFF

DETECT

–

PBFIN2

37

14

MSOUT

PBREF2

38

F1

F3

X1

13

DGND

PBRIN2

39

PBFB2

40

12

MSTC

–

+

+

–

OFF/B

11

FF

T1

120∝/

NR

70∝

1

2

3

4

5

6

7

8

9

10

PBEQ2

PBOUT2

VCC

TAPEIN2

AUXIN2

MSLPF

LINEOUT2

TCH2

NC

PLAY

IC361

LB1638M

IC611

TDA7384

GND

1

10

N.C.

LOGIC

DRIVER

DRIVER

DRIVER

DRIVER

IN1

2

9

OUT1

CONTROL

VCC

3

8

VS

7

OUT2

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15 16 17 18 19

20

21 22 23 24 25

IN2

4

TAB

GND

OUT2–

STNBY

OUT2+

VCC

OUT1–

GND

OUT1+

SVR IN1 IN2 S-GND

IN4

IN3 AC-GND

OUT3+

GND OUT3–

VCC

OUT4+ MUTE OUT4–

GND

N.C.

GND

5

6

N.C.

IC671

BA3918-V2

IC701

BA8270F-E2

BUS ON

1

BUS ON

14

VCC

SWITCH

REGULATOR

RST

2

RESET

13

RST

SWITCH

12

BUS ON

BATTERY

11

CLK IN

BATT

3

10

BU IN

SWITCH

OVER VOLTAGE

CLK

4

PROTECT

VREF

5

–

–

–

–

DATA

6

9

DATA IN

+

+

+

+

GND

7

8

DATA OUT

1

2

3

4

5

6

7

8

9

10

11

12

NC

MODE2

MODE1

STB

VDD

AMP

VCC

ANT

COM

AM

FM

GND

– 32 –