•MAIN BOARD IC501 MB90574BPMT-G-266-BND (MASTER CONTROLLER)

Pin No.

Pin Name

I/O

 

 

Description

 

 

 

 

 

 

 

 

 

 

1

 

TUNON

O

 

Tuner system power supply on/off control signal output to the BA4908 (IC671)

 

 

“H”: tuner power on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

ANT CUT

O

 

Tuner system power supply on/off control signal output terminal “H”: tuner power on

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

BUSON

O

 

Bus on/off control signal output to the MD mechanism controller (IC501) and SONY bus

 

 

interface (IC701) “L”: bus on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 to 6

 

NCO

O

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

7

 

ILLON

O

 

Power on/off control signal output of the illumination LED and liquid crystal display driver

 

 

(IC901)

“H”: power on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

VCC

—

 

Power supply terminal (+5V)

 

 

9

 

E2P SIO

I/O

 

Two-way data E2P bus with the FM/AM tuner unit (TU1)

 

 

 

 

 

 

 

 

 

 

 

10

 

E2P CKO

O

 

E2P bus clock signal output to the FM/AM tuner unit (TU1)

 

 

 

 

 

 

 

 

 

 

11

 

SYSRST

O

 

System reset signal output to the MD mechanism controller (IC501) and SONY bus interface

 

 

(IC701)

“L”: reset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

DOORSW

I

 

Front panel open/close detection signal input terminal

 

 

 

“L” is input when the front panel is closed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

LCDSO

O

 

Serial data output to the liquid crystal display driver (IC901)

 

 

14

LCDCKO

O

 

Serial data transfer clock signal output to the liquid crystal display driver (IC901)

 

 

 

 

 

 

 

 

15

 

LCDCE

O

 

Chip enable signal output to the liquid crystal display driver (IC901)

“H” active

 

 

 

 

 

 

 

 

16

 

BEEP

O

 

Beep sound drive signal output to the power amplifier (IC611)

 

 

 

 

 

 

 

 

 

 

17

 

UNISI

I

 

Serial data input from the SONY bus interface (IC701)

 

 

 

 

 

 

 

 

 

 

18

 

UNISO

O

 

Serial data output to the SONY bus interface (IC701)

 

 

19

 

UNICKO

O

 

Serial clock signal output to the MD mechanism controller (IC501) and SONY bus interface

 

 

(IC701)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

UNICKI

I

 

Serial clock signal input from the MD mechanism controller (IC501) (for SONY bus)

 

 

 

 

 

 

 

 

 

21

 

CD MD

I

 

Setting terminal for the internal mechanism CD or MD

 

 

 

 

“L”: CD, “H”: MD (fixed at “H” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

FLASHW

I

 

Internal flash memory data write mode detection signal input terminal

“L”: data write mode

 

Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

 

NCO

O

 

Not used (open)

 

 

 

 

 

 

 

 

 

24

 

SIRCS

I

 

Sircs remote control signal input from the remote control receiver (IC951)

25 to 28

 

NCO

O

 

Not used (open)

 

 

29

DOORIND

O

 

LED drive signal output of the MD disc slot illumination and Zindicator (LED810, LSW810)

 

“H”: LED on “H” is output to turn on LED when front panel is opened

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30, 31

 

NCO

O

 

Not used (open)

 

 

 

 

 

 

 

 

32

NS MASK

O

 

Discharge control signal output for the noise detection circuit “H”: discharge

 

 

 

 

 

 

 

 

33

 

VSS

—

 

Ground terminal

 

 

 

 

 

 

 

 

 

 

34

 

C

—

 

Connected to coupling capacitor for the power supply

 

 

 

 

 

 

 

 

A/D converter power control signal output terminal

 

 

35

 

AD ON

O

 

When the KEYACK (pin uh) that controls reference voltage power for key A/D conversion input

 

 

 

 

 

 

is active, “L” is output from this terminal to enable the input

 

 

 

 

 

 

 

 

 

 

36

 

REIN0

I

 

 

 

 

 

 

Dial pulse input of the rotary encoder (RE901)

 

 

 

 

 

 

 

 

(for VOLUME/BASS/TREBLE/BALANCE/FADER control)

 

 

37

 

REIN1

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

 

DVCC

—

 

Power supply terminal (+5V) (for D/A converter)

 

 

39

 

DVSS

—

 

Ground terminal (for D/A converter)

 

 

40, 41

 

NCO

O

 

Not used (open)

 

 

42

 

AVCC

—

 

Power supply terminal (+5V) (for analog system)

 

 

 

 

 

 

 

 

 

 

 

 

46

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Sony MDX-C6500RV Buson, Illon, E2P SIO, E2P CKO, Sysrst, Doorsw, Lcdso, Lcdcko, Lcdce, Beep, Unicko, Flashw, Sircs, REIN0
Page 45 Page 47

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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