MEX-5DI

4-4. BLOCK DIAGRAM — TUNER SECTION —

 

CN301-1,-2

-1

 

 

L

 

BUS AUDIO

 

 

 

 

 

 

 

 

IN/AUX IN

 

-2

 

 

 

 

 

 

 

 

R

DISPLAYSECTION C

MS-L

MS-R

(Page 26)

 

 

 

 

 

CN101

 

 

 

(ANTENNA)

R-CH

BUS-GND SW

Q352

 

 

 

 

 

MS AMP

 

 

 

TUNER UNIT

IC310

 

 

 

 

R-CH

 

TUX201

 

 

1 AM-ANT

AM DET 8

 

4 AUX-L

43 MD-L

A OUT L 38

9 AM/MPX2

 

 

ADSO1

 

ADSO2

 

 

 

 

 

ELECTRONIC VOLUME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC301

 

 

ADSO SW

 

 

 

 

 

 

 

 

 

 

 

IC309

 

 

 

OUT SW 24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LCH

 

 

 

33 AC IN L

 

 

 

 

ADSO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC302

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT LF 28

MUTE

Q351

MUTE

Q451

-3

 

CN301-3,-4

 

L

-4

 

SUB OUT

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

-1

 

 

 

 

 

 

 

 

 

 

L

CN451-1,-2

-2

 

 

 

 

 

 

FRONT

2 FM-ANT

 

MPX 10

 

 

 

 

EEPROM

SDA SCL S-METER

RDS DET

 

 

 

 

SDA SCL

 

AEP,UK,E MODEL

 

 

 

 

17 18

12 13 14

9

 

 

 

 

 

 

FM AMP

 

NOISE

 

 

6

DET

7

 

 

Q141

 

 

 

 

 

IC102

 

 

 

 

 

 

 

 

 

RDS DECODER

Q142

 

 

 

 

 

 

 

 

 

IC101

 

 

 

16 FM DET

DAVN

8

 

 

4

OSCO

SDA

9

 

 

5

OSCI

SCL 10

 

 

X101

 

 

 

 

 

 

4.332MHz

 

 

 

 

12

MPX1

 

 

OUT LR 27

40

CD-L

MPIN LEVEL

 

SAOUT SACLK

 

SDA SCL

SM

 

19 20 14 13

17

23 21

 

 

 

 

MUTE

 

 

 

 

CONTROL

 

 

 

 

Q363,364

R-CH

MUTE

Q453

R-CH

 

 

 

TEL MUTE

TEL MUTE

 

 

 

Q406

 

 

 

 

 

 

 

 

 

ILLUMI CHECK

ILL

 

 

 

Q404

ACC

 

 

 

 

 

 

 

ACC CHECK

 

 

 

Q405

 

 

 

 

 

TEST

 

R

 

 

 

 

 

 

 

 

 

 

AUDIO

 

-3

 

 

OUT

 

 

 

 

 

 

L

CN451-3,-4

-4

 

 

REAR

 

 

R

 

 

 

SA CLK

DISPLAY

SA OUT

D SECTION

MS MUTE

(Page 26)

CN401

 

 

 

 

14

 

 

15

7

13

CD

 

L-CH

A

R-CH

SECTION

A-ATT

(Page 24)

 

EJECT

• Signal path

 

R-CH

MUTE

 

 

 

 

CONTROL

 

 

 

 

 

 

Q530

 

 

 

 

M

9

MOTOR

3

 

 

DRIVE

4

 

7

IC703

 

M601

 

 

 

6

 

(OPEN/CLOSE)

 

 

 

 

 

I-DET

IC701(1/2)

S601

(OPEN)

S602

98MOTOR+

97MOTOR-

49 FP IDET

100 OPEN SW

99 CLOSE SW

75 56

NS MASK

DAVN

XIA

XOA

 

X502

 

 

 

 

 

 

 

 

BEEP DRIVE

BZ901

 

 

 

 

 

 

 

 

 

BUZZER

 

3.68MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q901

 

 

 

 

 

 

 

 

 

 

 

92

93

10 11

50 32

5

4

70 71 53

31

6

15

 

 

XO

XI

T.ROM SDA T.ROM SCL

QUALITY MNI AU

SDSO2

ADSO1

I2C-SDAI2C-SCL VSM

E VOL ATT

ATT

BEEP

 

TEL ATT 16

 

ILL IN 95

 

ACC IN 81

 

TEST IN 84

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM CONTROL

 

 

 

 

 

 

POW ON 83

 

 

IC501 (2/3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TUN ON 115

 

 

KEY ACK

AD ON

KEY INO

 

 

 

 

FAN

 

DDC-ON57

 

 

 

 

 

 

 

 

 

BATT

 

 

 

 

BATT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AMP POWER

AMP R

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

Q401 (1/2),402

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANT POWER

ANT R

 

 

 

 

CONTROL

 

 

 

 

Q401 (2/2),403

 

 

 

 

 

 

 

 

16

6

5

: CD

(CLOSE)

73

74

72

80

46

46

TU+8.5V

 

 

 

 

TUNER POWER CONTROL

REG

 

POWER

 

CONTROL

Q865

 

BATT

: FM

: AM

R-ch is omitted due to

same as L-ch.

X501

32.768kHz

BU5V

 

AD ON

 

 

 

 

 

 

 

Q504

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN1

AUDIO+8.5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BATT

 

FAM MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q871-873

 

8.5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KEY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S200-208,210

 

 

 

 

 

Q861,862

AUDIO POWER CONTROL Q863,864

 

 

 

Q866,867

 

 

 

 

 

 

 

 

 

 

 

TU+5V

 

+5V REG

 

 

 

Q101

 

 

 

 

 

 

 

+5V +5V REG IC307

BU+5V +5V REG

Q851

TU+8.5V

AUDIO+8.5V

BATT

25 25

Page 3
Image 3
Sony MEX-5DI service manual Block Diagram Tuner Section

MEX-5DI specifications

The Sony MEX-5DI is a versatile and feature-rich in-car audio system designed to elevate the listening experience while driving. Catering to a wide range of audio enthusiasts, this head unit boasts cutting-edge technology and an array of features tailored to meet modern demands.

One of the standout features of the MEX-5DI is its built-in Bluetooth capability. This allows seamless hands-free calling and wireless audio streaming from compatible devices, making it easier for drivers to stay connected while keeping their focus on the road. The Bluetooth functionality extends to dual-phone pairing, allowing two smartphones to stay connected simultaneously for effortless switching between devices.

The MEX-5DI is equipped with a USB port that allows for direct control and playback from USB devices, bringing convenience and flexibility to music playback. It supports a variety of audio formats, ensuring that users can enjoy their favorite tracks without compatibility issues. The unit also features an auxiliary input, further expanding connectivity options.

Another feature that draws attention is the built-in Equalizer with 10 preset sound settings and 7 custom bands, enabling users to tailor their audio experience to their personal preferences. This allows for adjustments based on different genres of music or acoustics within a specific vehicle, resulting in optimized sound quality.

The unit supports High-Resolution Audio playback, ensuring that users experience pristine sound quality. This is complemented by features like DSEE (Digital Sound Enhancement Engine), which restores the quality of compressed audio files, making them sound closer to their original recordings.

The MEX-5DI offers an intuitive user interface with a large, easy-to-read display that enhances visibility while driving. It features customizable illumination options, allowing users to match the display to their vehicle’s interior ambiance. The faceplate is detachable, providing added security against theft.

For those looking to expand their audio setup, the unit includes three sets of preamp outputs, giving users the ability to connect external amplifiers or subwoofers. This feature ensures that the MEX-5DI can evolve with the users’ audio needs.

Overall, the Sony MEX-5DI combines innovative technologies with user-friendly features, making it an ideal choice for anyone seeking a high-quality car audio experience. Its blend of connectivity options, sound customization, and aesthetic appeal solidifies its position as a top contender in the car audio market. Whether for daily commutes or long road trips, the MEX-5DI promises to deliver an unparalleled audio journey.