4-19. IC PIN FUNCTION DESCRIPTION

•SERVO BOARD IC301 CXD2652AR

(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER, 2M BIT D-RAM)

Pin No.

 

Pin Name

I/O

 

Description

 

 

 

 

 

 

 

 

1

 

MNT0

O

Focus OK signal output to the MD mechanism controller (IC501)

 

“H” is output when focus is on (“L”: NG)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

MNT1

O

Track jump detection signal output to the MD mechanism controller (IC501)

 

 

 

 

 

 

3

 

MNT2

O

Busy monitor signal output to the MD mechanism controller (IC501)

 

 

 

 

 

 

4

 

MNT3

O

Spindle servo lock status monitor signal output to the MD mechanism controller (IC501)

 

 

 

 

 

 

5

 

SWDT

I

Writing serial data signal input from the MD mechanism controller (IC501)

 

 

 

 

 

 

6

 

SCLK

I

Serial data transfer clock signal input from the MD mechanism controller (IC501)

7

 

XLAT

I

Serial data latch pulse signal input from the MD mechanism controller (IC501)

8

 

SRDT

O (3)

Reading serial data signal output to the MD mechanism controller (IC501)

 

 

 

 

 

 

9

 

SENS

O (3)

Internal status (SENSE) output to the MD mechanism controller (IC501)

 

 

 

 

 

 

10

 

XRST

I

Reset signal input from the MD mechanism controller (IC501) “L”: reset

 

 

 

 

 

 

11

 

SQSY

O

Subcode Q sync (SCOR) output to the MD mechanism controller (IC501)

 

“L” is output every 13.3 msec

Almost all, “H” is output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

DQSY

O

Digital In U-bit CD format subcode Q sync (SCOR) output terminal

 

“L” is output every 13.3 msec

Almost all, “H” is output

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

RECP

I

Laser power selection signal input terminal

 

 

 

 

 

“L”: playback mode, “H”: recording mode (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

14

 

XINT

O

Interrupt status output to the MD mechanism controller (IC501)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Recording data output enable signal input terminal

 

 

 

15

 

TX

I

Writing data transmission timing input (Also serves as the magnetic head on/off output)

 

 

 

 

 

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

16

 

OSCI

I

System clock signal (512Fs=22.5792 MHz) input from the oscillator circuit

 

 

 

 

 

 

17

 

OSCO

O

System clock signal (512Fs=22.5792 MHz) output terminal

Not used (open)

 

 

 

 

 

 

 

 

18

 

XTSL

I

Input terminal for the system clock frequency setting

 

 

 

“L”: 45.1584 MHz, “H”: 22.5792 MHz (fixed at “H” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

 

RVDD

—

Power supply terminal (+3.3V) (digital system)

 

 

 

 

20

 

RVSS

—

Ground terminal (digital system)

 

 

 

 

21

 

DIN

I

Digital audio signal input terminal when recording mode

Not used (fixed at “L”)

 

 

 

 

 

 

22

 

DOUT

O

Digital audio signal output terminal when playback mode

Not used (open)

 

 

 

 

 

 

 

 

23

 

ADDT

I

Recording data input terminal

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

24

 

DADT

O

Playback data output to the PCM1718E (IC101)

 

 

 

 

 

 

 

 

 

25

 

LRCK

O

L/R sampling clock signal (44.1 kHz) output to the PCM1718E (IC101)

26

 

XBCK

O

Bit clock signal (2.8224 MHz) output to the PCM1718E (IC101)

27

 

FS256

O

Clock signal (11.2896 MHz) output to the PCM1718E (IC101)

 

 

 

 

 

 

 

 

 

28

 

DVDD

—

Power supply terminal (+3.3V) (digital system)

 

 

 

 

 

 

 

 

 

 

 

 

 

29 to 32

 

A03 to A00

O

Address signal output to the D-RAM (IC307)

 

 

 

 

 

 

 

 

 

 

33

 

A10

O

Address signal output to the external D-RAM

Not used (open)

 

 

 

 

 

 

 

 

 

34 to 38

 

A04 to A08

O

Address signal output to the D-RAM (IC307)

 

 

 

 

39

 

A11

O

Address signal output to the external D-RAM

Not used (open)

40

 

DVSS

—

Ground terminal (digital system)

 

 

 

 

 

 

 

 

 

 

 

41

 

XOE

O

Output enable signal output to the D-RAM (IC307)

“L” active

 

 

 

 

 

 

 

42

 

XCAS

O

Column address strobe signal output to the D-RAM (IC307)

“L” active

 

 

 

 

 

 

 

 

 

 

43

 

A09

O

Address signal output to the D-RAM (IC307)

 

 

 

 

 

 

 

 

 

 

 

44

 

XRAS

O

Row address strobe signal output to the D-RAM (IC307)

“L” active

 

 

 

 

 

 

 

45

 

XWE

O

Write enable signal output to the D-RAM (IC307)

“L” active

 

 

 

 

 

 

 

 

 

 

 

40

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Sony MDX-C6500RV service manual IC PIN Function Description
Page 39 Page 41

MDX-C6500RV specifications

The Sony MDX-C6500RV is an advanced car audio receiver that combines cutting-edge technology with a user-friendly interface to enhance your driving experience. Designed for audiophiles and casual listeners alike, this model supports a plethora of formats and offers a range of features that ensure high-quality sound reproduction.

One of the key features of the MDX-C6500RV is its compatibility with the MiniDisc format, which allows for high-quality digital audio recording and playback. This makes it an ideal choice for music enthusiasts who appreciate finer sound details. The receiver also supports traditional CD playback, giving users the flexibility to enjoy their favorite albums and compilations effortlessly.

Equipped with a built-in FM/AM tuner, the MDX-C6500RV offers access to a vast array of radio stations. The tuner is enhanced with features such as RDS (Radio Data System), which provides additional information like station name and song details, making it easier to find your desired content.

The MDX-C6500RV comes with a powerful 52 Watts x 4 amplifier, ensuring that your music plays at optimal levels without distortion. It also features customizable equalizer settings with multiple presets, allowing users to tailor the sound profile to their unique listening preferences.

Another standout characteristic is the unit's front-facing auxiliary input, which enables direct connections to external devices such as smartphones and portable media players. This enhances versatility and allows for seamless integration of modern devices into your audio system. Additionally, the MDX-C6500RV is equipped with a USB port for convenient playback of digital files.

In terms of connectivity, the MDX-C6500RV includes options for both Bluetooth and wired integration, supporting hands-free calling and audio streaming. This ensures that drivers can stay connected and focused on the road while enjoying their favorite tracks.

The display is easy to read, featuring a vibrant backlight that ensures visibility even in low-light conditions. The user interface is intuitive, allowing for quick navigation through various functions and settings.

In summary, the Sony MDX-C6500RV blends functionality with high-performance audio features. With its MiniDisc support, powerful amplifier, customizable sound settings, and modern connectivity options, it stands out as a premium choice for car audio enthusiasts looking to enhance their in-car entertainment experience.
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