Sony MZ-R37 specifications Block Diagram System Control Section, Control B Keyrmc, Audio

6-3. BLOCK DIAGRAM — AUDIO SECTION —

MZ-R37

6-4. BLOCK DIAGRAM — SYSTEM CONTROL SECTION —

2.8V

OPT

CONTROL

Q302

DIN

J301

A/D, D/A

LINE IN

(OPTICAL)

RCH

CONVERTER

IC301

ADC

SERVO

A

SDTO

4

41

SECTION

AUDIO

LRCK

2

(Page 26)

I/F

BCK

3

44

7

MIC AMP

5

CONTROL

SDTI

5

RCH

IC302

DAC

8

MCLK

1

25

XRST

46

26

MIC 2.5V

R-CH

29

CDTI

CDTO CCLK KCS PD

J303

MIC

REG

(PLUG IN POWER)

15 14 13 12 47

IC304

5

XCE

MIC2.5V

3 OUT

IN 2

2.8V

R-CH

SYSTEM CONTROL

17

9

J302

LINE OUT

IC801 (2/3)

90 XPD ADA

LINE/HP AMP

89 XCS ADA

IC303

7

SCK 2

EEPROM

5

SDI2

R-CH

6

SDO2

16

4

IC803

CS

1

96 XCSNV

BEEP

81

21

DO

3

AMUTE

93

23 MUTE VCOM

6

DI

4

SCK

2

OPT CONT

94

J304

XJACK DET

66

OPT DET

67

/REMOTE

XMIC DET

68

XLINE DET

24

RVCC

DTCK

11

DTCK

(+2.8V)

KEY R

KEY RMC

49

		SYSTEM
		CONTROL B KEYRMC
04	Signal path	SECTION
		(Page 29)

:PLAY(DIGITAL)

:REC(DIGITAL)

:PLAY(ANALOG)

:REC(ANALOG)

R-ch : same as L-ch.

AUDIO

B

KEYRMC

SECTION

SYSTEM CONTROL

(Page 27)

POWER CONTROL

IC801 (3/3)

IC901

WP

65

LCD RESET

C

SERVO

45

LCD SCK

FS4 68

FS4

SECTION

44

LCD DATA

VDD

LCD

43

LCD XC D

25 REMKEY

VC 67

(+2.9V)(Page 26)

MODULE

42

LCD STB

KEY ON 91

24 KEY ON

WITH

MRST 38

6 XRST

VLG2 14

+2.8V

SWITCH

VLG20 47

UNIT

VCC

POWER

57

KEY 1

VLG20 48

+2.8V

SWITCH

56

KEY 2

SLEEP 17

72 SLEEP

(+2.8V)

Q801(1/2)

21

HOLD

VB 32

UNREG

VB 33

36

XLCD

23 INMU

VL 37

Q801

VL1 38

D905

41

EXTAL

INMU0 37

VB 39

S804

(2/2)

X801

VB 40

IC971

IC972

SYNCHRO

12MHz

REC

40

XTAL

L4 49

DC-DC CONVERTER

REG

D906

OFF

22

SYNC REC

VDD 61

2

VOUT VCE

1

1

VOUT VIN

3

ON

INMU1 25

Q901

EXT

5

Q971

S805

Digital

23

DBB

MEGA BASS

S803

18

T.MARK

NI MH CHG 16

10 CHG

Q903

T. MARK

FFCLR 95

70 FFCLR

WP 13

69 WAKEO

Q906

71 WAKE

INM4 54

RF4 55

52 RS

Q902

51 CHG SW

D902

D901

T901

DC IN 57

VCC

1

TEMP

4

54

METER

TEMP

IC951

(+2.8V)

IC802

S802

(CHASSIS)

(CHASSIS)

(OPEN 2)

CHG MNT 46

4

1

VDD

S801

(+2.9V)

(OPEN 1)

14

OPEN

BAT VC 60

S881

DISPLAY

HIDC MNT 48

55

KEY3

S882

MODE

D801

WP

Q821

04

Q851

RECHARGEABLE

BATTERY

(NC-AA)

700mAh 2.4V

J901

DC IN 4.5V

´

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