Sony CDX-MP40 service manual Block Diagram - Main Section, Signal path, Ammw/Lw, CD-R/RWMP3

CDX-MP40

3-4. BLOCK DIAGRAM — MAIN SECTION —

PJ401

L

-1

BUS AUDIO IN

R-CH

R

-2

L

-5

AUDIO OUT FRONT

R-CH

R

-6

IC401

-3

L

AUDIO OUT REAR

INPUT SELECTOR,

ELECTRONIC VOLUME,

R-CH

R

SIGNAL PROCESSOR

IC501

-4

5

AUX L

POWER AMP

CNP901

R-CH CDR

8

CD R

OUT LF 19

12

5

1

FL+

3

9

FL-

(Page 21)

TU501

CD

TUNER UNIT

SECTION A

CDL

9

CD L

OUT LR 18

11

9

2

RL+

7

10

RL-

PJ601

2

ANT

L

4

7

RADIO L

Q402

Q401

16

AUX

(ANTENNA)

MUTE

MUTE

4

FR+

R

OUT RF 21

3

R-CH

4

STBY

12

FR-

27 SDA

OUT RR 20

22 MUTE

R-CH

3

RR+

26 SCL

R-CH

11

RR-

25 MUTE

Q904,905

D921

(Page 21)

LINE MUTE

DELAY

BATT

IC801 (1/2)

SWITCH

AEP,UK MODEL

CD

B

A-ATT

D701

SYSTEM CONTROL

SECTION

D819

QUALITY

5

7

QUALITY

ATT 67

70 VOL ATT

BEEP 35

AMP ON 72

Q602

AMP ATT 74

Q901

13

ATT

85

NS_MASK

TEL ATT 40

TEL

NS MASK

ATT

Q902

SWITCH

ACC IN 38

7

ACC

ACC

DETECT

S-METER

TEST IN 37

IC902

15

TEST

6

2

VSM

BU+5V

SDA 14

45 I2C SIO

BU+3.3V

3

+3.3V

Q903,D916

BATT

BATT

Q920

5

AMP R

SCL 13

47 I2C CKO

REG

2

+5V REG

AMP B+

SWITCH

TUNER

+8V

Q922

TU MUTE

7

88

TU MUTE

+8V

6

ANT R

ANT B+

TUNER

Q911,D918,919

Q909,910

Q906,D917

MUTE CONDITION

8

30

TU ATT IN

BATT

SWITCH

TUNER +5V

TUNER ON

8

+5V

+8V REG

GND

REG

SWITCH

SDA(EEP) 17

87

EE SIO

Q921

Q917

BATT

19

SCL(EEP) 16

86

EE CKO

Q907,908

CD

AMP REM

ANT REM

C

17

AEP,UK MODEL

SYSRST

POWER ON

CONTROL

CONTROL

SECTION

CONTROL

SWITCH

SWITCH

F901

IC601

(Page 21)

10A

RDS DECODER

TU ON 69

18

RDS DET

9

16 MPX

POW ON 50

16

+B (BATT)

SDA

9

IC802

SCL

10

D810

4

OSCO

X601

RESET

33

1

2

BU+5V

RESET

4.332MHz

OSCI

DAVN

8

27

DAVN(NIL)

5

CNJ801

IC803

BUS

S801

D808

CONTROL IN

• R-ch is omitted due to same as L-ch.

RESET

BUS INTERFACE

Q802

8

• Signal path

BUSON

1

6

3

SWITCH

SYSRST 24

13 RST

5

2

:FM

BUSON 25

12

BUSON

DATA I/O

6

4

1

:AM(MW/LW)

BUSSI 43

8

DATA OUT

CLK

4

7

BUSCKO 44

11

CLK IN

:CD

BUSSO 42

9

DATA IN

BATT

BU IN 28

10

B/U-C

:CD-R/RW(MP3)

IC701

RST

2

BU-CHECK

BUFFER

D802

D818

BUSON

2

6

BATT

3

BATT

CD

BUS-SI

5

3

Q801,D801

D

BUS-CLK

7

1

BATT

SECTION

BATT DET

Q804

(Page 21)

BUS-SO

BUS-SO

LINK-OFF

SWITCH

Q805,806

LIMNKOFF

SWITCH

22 22