CDX-M800

4-4. BLOCK DIAGRAM — DISPLAY SECTION —

BUS INTERFACE

SYSTEM CONTROL

IC301

IC303 (3/3)

CNP102

(BUS CONTROL IN)

 

8

 

6

3

 

5

2

 

4

1

 

 

7

 

 

BATT

 

 

 

BATT

 

BATT

BATT DET

 

Q101

DATA

 

8

30

UNI SI

6

 

 

 

 

 

 

9

29

UNI SO

CLK

 

11

31

UNI CKO

4

 

1

BUS

12

64

BUS ON

ON

 

 

 

 

2

RESET

13

65

SYSRST

3

BATT

10

18

BU IN

 

CHECK

 

 

 

 

 

IR

D70

 

 

 

SIRCS 1

7

RECEIVE

1

 

 

IC62

 

 

 

IR

D513

 

 

 

 

7

RECEIVE

1

 

 

IC503

 

KEY IN0 85

 

KEY IN

 

KEY IN1 84

 

MATRIX

AEP,UK,E MODEL

 

 

 

RC IN1 70

 

 

CNJ101

RC IN0 86

 

 

(REMOTE IN)

KEY ACK2 87

 

 

 

KEY ACK0 88

 

 

 

 

 

 

LCD DRIVER

 

 

 

 

 

IC1

 

 

 

 

1

SEG1

 

 

 

 

I

 

 

 

LCD2

 

I

SEG95

INH

117

 

 

103 COM1

 

 

CF 118

 

 

 

I

 

 

 

 

COM8

CLK

119

 

LED SW1

 

 

DIMMER

LED CONTROL

105

 

DATA 120

Q907,908

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

104 106

 

 

LED CONTROL

LED SW2

 

 

 

DIMMER

 

 

 

CONTROL

Q903,904

 

 

 

 

 

 

 

 

Q905

 

 

 

 

 

FL 900

 

 

 

 

 

 

 

 

 

 

 

 

5

 

GCP

 

FL CONTROL

4

 

11

IC301

2

 

 

 

 

 

 

 

 

1

 

T800

 

 

 

 

 

FL+

 

 

 

 

 

 

FL-

 

DC-DC CONVERTER

 

FLVDD

 

 

 

IC800

 

 

 

 

 

 

 

 

 

SUB SYSTEM CONTROL

 

 

IC2

 

X301

11

XOUT

 

 

 

 

 

 

30MHz

13

XIN

 

 

 

SYS CE

1

 

37

LCD INH

 

SYS SO

29

 

36

LCD CE

 

SYS SI

30

 

35

FL CLK

 

SYS CLK

31

 

33

FL DAT1

 

 

 

 

 

 

CNVSS

7

 

21

LAT

 

 

 

22

BK

 

 

 

99

FL DAT2

 

 

 

3

FL DAT3

 

 

 

23

GCP2

 

 

 

25

GCP1

 

 

 

27

GCP4

 

 

 

28

GCP3

 

 

 

93

FL ON

 

 

FL POWER

 

 

 

 

CONTROL

BATT

 

 

 

Q801,802

 

 

 

 

95 DISP CE

98 DISP SI/RX

99DISP SO/TX

100 DISP CKO

7 CNVSS

KEY ACK1

89

IC302

 

RESET

10

1 RESET 2

+5V

RAM BU 91

 

 

 

 

 

 

 

S932

SW501

 

 

 

(RESET)

RESET

 

BATT

1

MOTOR+B REG

3

MT+B

 

 

 

IC306

 

 

M601

 

 

2

 

 

 

 

 

 

(OPEN/CLOSE9

MOT+ 78

 

 

11

MOTOR 3

 

 

DRIVE

14

MOT- 77

 

 

6

IC307

 

 

16

 

 

 

 

 

 

 

 

 

12

 

MT+B

 

VREF

 

 

 

 

CONTROL

 

 

 

 

 

Q306,307

 

 

 

FP CTRL 2

 

 

 

 

 

I-DET76

 

I-DET

7

I-DET

3

 

Q305

IC308

 

 

 

 

 

 

 

 

 

OPEN SW 75

 

SW900

 

 

 

CLOSE SW 74

 

(OPEN/CLOSE)

 

D512

 

 

 

 

 

(DISC IN)

 

 

 

LED CONTROL

 

 

 

 

Q503,504

 

 

 

OPEN KEY 90

 

S931

 

 

 

 

(OPEN)

 

 

 

 

 

 

 

 

23 23

Page 23
Image 23
Sony CDX-M800 service manual Block Diagram Display Section, Clk

CDX-M800 specifications

The Sony CDX-M800 is a standout model in the world of car audio systems, renowned for its combination of high-quality audio performance and user-friendly features. As a part of Sony's lineup, this CD receiver integrates both cutting-edge technology and classic functionalities, ensuring an enhanced listening experience during commutes or long road trips.

One of the key features of the Sony CDX-M800 is its advanced playback capabilities. The device can play a variety of formats including CDs, CD-Rs, and CD-RWs, as well as MP3 and WMA files. This versatility allows users to enjoy their favorite music without compatibility concerns. Additionally, the ability to play MP3 files means that users can store numerous songs on a single disc, reducing clutter and making it easier to switch playlists on the go.

The CDX-M800 features a sleek, user-friendly interface, complete with an LCD display that shows track information, radio stations, and playback modes. This display is designed for clarity, making it easy for users to navigate their audio options without distraction from the road. The rotary volume control and intuitive button layout enhance usability, allowing for quick adjustments while keeping attention on driving.

In terms of sound quality, the Sony CDX-M800 is equipped with a built-in equalizer, enabling users to customize the audio output to suit their preferences. With multiple preset sound modes and a 3-band equalizer, it enhances the clarity and richness of your music. The unit also supports Dynamic Reality Amp technology, which delivers powerful, distortion-free sound, contributing to an immersive listening experience.

Moreover, the CDX-M800 supports FM/AM radio with strong reception capabilities. The device can store up to 18 FM and 12 AM stations, allowing users to easily access their favorite radio shows without having to manually tune in repeatedly.

Connectivity is another essential feature of the Sony CDX-M800. The system is designed with a front-panel auxiliary input, which facilitates connection with external devices such as smartphones and MP3 players. This feature expands the listening options, allowing users to play their personal playlists directly through the vehicle’s sound system.

In summary, the Sony CDX-M800 is a well-rounded car audio solution, offering a blend of versatility, sound quality, and user-friendly features. Whether you're a casual listener or an audiophile, this CD receiver caters to a wide range of audio needs, making it a solid choice for enhancing your in-car entertainment experience.