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Sony CDX-M800 service manual IC2 M30833FJGP-066 Display System Control Display Board

Models: CDX-M800

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CDX-M800

• IC2 M30833FJGP-066 (DISPLAY SYSTEM CONTROL) (DISPLAY Board)

Pin No.

Pin Name

I/O

Pin Description

 

 

 

 

1

SYS RST

I

Main chip enable input

 

 

 

 

2

NC

I

Not used. (Open)

 

 

 

 

3

FL DATA3

O

FL serial data output

 

 

 

 

4

NC

O

Not used. (Open)

 

 

 

 

5

FL CLK IN

I

FL serial clock input

 

 

 

 

6

BYTE

I

L fixed terminal

 

 

 

 

7

CNVSS

I

Flash write-in signal input

 

 

 

 

8

NC

O

Not used. (Open)

 

 

 

 

9

NC

O

Not used. (Open)

 

 

 

 

10

RESET

I

CPU reset signal input

 

 

 

 

11

XOUT

O

Main clock signal output (30MHz)

 

 

 

 

12

VSS

—

Ground

 

 

 

 

13

XIN

I

Main clock signal input (30MHz)

 

 

 

 

14

VCC

—

Power supply pin (+5V)

 

 

 

 

15

NMI

I

Non maskable interrupt signal input

 

 

 

 

16

NC

O

Not used. (Open)

 

 

 

 

17

NC

O

Connecting to pin 20.

 

 

 

 

18

NC

O

Not used. (Open)

 

 

 

 

19

NC

O

Not used. (Open)

 

 

 

 

20

NC

O

Connecting to pin 17.

 

 

 

 

21

LAT

O

FL data LAT output

 

 

 

 

22

BK

O

FL BK output

 

 

 

 

23

GCP2

O

FL GCP2 outpit

 

 

 

 

24

NC

O

Not used. (Open)

 

 

 

 

25

GCP1

O

FL GCP1 output

 

 

 

 

26

NC

O

Not used. (Open)

 

 

 

 

27

GCP4

O

FL GCP4 output

 

 

 

 

28

GCP3

O

FL GCP3 output

 

 

 

 

29

SYS SO

O

Main BUS data output

 

 

 

 

30

SYS SI

I

CPU BUS data input

 

 

 

 

31

SYS CLK

O

Main BUS clock input

 

 

 

 

32

NC

O

Not used. (Open)

 

 

 

 

33

FL DAT1

O

FL serial data output

 

 

 

 

34

NC

O

Not used. (Open)

 

 

 

 

35

FL CLK

O

FL serial clock output

 

 

 

 

36

LCD CE

O

LCD driver chip enble output

 

 

 

 

37

LCD INH

O

LCD driver inhibit output

 

 

 

 

38

NC

O

Not used. (Open)

 

 

 

 

39

HOLD

I

Flash write-in signal input

 

 

 

 

40 – 43

NC

O

Not used. (Open)

 

 

 

 

44

WRI/WR

I

Flash write-in signal input

 

 

 

 

45 – 59

NC

O

Not used. (Open)

 

 

 

 

60

VCC

O

Power supply pin (+5V)

 

 

 

 

61

NC

O

Not used. (Open)

 

 

 

 

62

VSS

O

Ground

 

 

 

 

63 – 93

NC

O

Not used. (Open)

 

 

 

 

94

AVSS

—

Ground

 

 

 

 

95

NC

O

Not used. (Open)

 

 

 

 

96

VREF

—

Power supply pin (+5V)

 

 

 

 

97

AVCC

—

Power supply pin (+5V)

 

 

 

 

98

RXD1

—

Not used. (Open)

 

 

 

 

99

FL DATA2

O

FL serial data output

 

 

 

 

100

FL CLK IN

I

FL serial clock input

 

 

 

 

20

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Sony CDX-M800 service manual IC2 M30833FJGP-066 Display System Control Display Board
Page 19 Page 21

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.