Pin No.

 

Pin Name

I/O

 

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

78

 

ILLIN

I

 

Auto dimmer control illumination line detection signal input terminal

 

 

“H” is input at dimmer detection

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

79

 

TELATT

I

 

Telephone detection signal input terminal

At input of “H”, the signal is attenuated by –20 dB

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

NCO

O

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

81

 

TEST IN

I

 

Setting terminal for the test mode

“L”: test mode, Normally: fixed at “H”

 

 

 

 

 

 

 

 

 

 

82

 

ACC IN

I

 

Accessory detection signal input terminal

“L”: accessory on

 

83

 

NCO

O

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

84

 

LOCKIN

I

 

Mini-disc lock detection signal input from the MD mechanism controller (IC501) “H”: lock

 

 

 

 

 

 

 

 

 

 

 

85

 

RCIN1

I

 

Rotary remote commander shift key input terminal

“L”: shift

 

 

 

 

 

 

 

 

 

 

 

 

86

 

HSTX

I

 

Hardware standby input terminal

“L”: hardware standby mode

Reset signal input in this set

87

 

MD2

I

 

Setting terminal for the CPU operational mode (fixed at “L” in this set)

88

 

MD1

I

 

Setting terminal for the CPU operational mode (fixed at “H” in this set)

89

 

MD0

I

 

Setting terminal for the CPU operational mode (fixed at “H” in this set)

 

 

 

 

 

 

 

 

 

90

 

RSTX

I

 

System reset signal input from the reset signal generator (IC652) and reset switch (SW503)

 

 

“L”: reset “L” is input for several 100 msec after power on, then it changes to “H”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

91

 

VSS

—

 

Ground terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

92

 

X0

I

 

Main system clock input terminal (3.68 MHz)

 

 

 

93

 

X1

O

 

Main system clock output terminal (3.68 MHz)

 

 

 

94

 

VCC

—

 

Power supply terminal (+5V)

 

 

 

 

 

 

95 to 97

 

NCO

O

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

98

 

DIM SEL

I

 

Setting terminal for the dimmer

“L”: dimmer in, “H”: no dimmer (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

99

 

TAP CD

I

 

Setting terminal for the internal mechanism tape or CD

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100, 101

 

NCO

O

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

102

 

AMTL IN

I

 

Auto metal detection signal input terminal “L”: auto metal Not used (open)

103

 

AMS IN

I

 

Input terminal of whether a music is present or not is detected at auto music sensor

 

 

“L”: music is present, “H”: music is not present

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

104

 

REEL

I

 

Rotation detect signal input terminal Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

105

 

POS0

I

 

 

 

 

 

 

 

 

 

 

Tape position (EJECT/FF/REW/REV/

 

POS0: “L”: EJECT mode, “H”: others mode

 

 

 

 

 

 

 

106

 

POS1

I

 

 

FWD mode) detect input from the tape

 

POS1: “L”: FF and FWD mode, “H”: others mode

107

 

POS2

I

 

operation switch on the deck mechanism

 

POS2: “L”: REW mode, “H”: others mode

 

 

 

 

 

 

Not used this function (open)

 

 

POS3: “L”: REV and EJECT mode, “H”: others mode

108

 

POS3

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

109

 

LM EJ

O

 

Loading motor control signal output terminal

“H” active

 

 

 

(For the eject direction and reverse side operation)

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

110

 

LM LD

O

 

Loading motor control signal output terminal

“H” active

 

 

 

(For the loading direction and forward side operation) Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

111

 

CM ON

O

 

Capstan/reel motor control signal output terminal

“H”: motor on

Not used (open)

 

 

 

 

 

 

 

 

112

 

TAPON

O

 

Tape system power supply on/off control signal output terminal “H”: tape on Not used (open)

 

 

 

 

 

 

 

 

 

 

113

 

N ROUT

O

 

Forward/reverse direction control signal output terminal

 

 

 

“L”: forward direction, “H”: reverse direction

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

114

 

AMSON

O

 

Tape auto music sensor control signal output terminal

 

 

 

“L” is output to lower the gain for audio level at FF/REW mode

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

METAL control in/out terminal

 

 

 

 

 

 

115

 

MTLON

I/O

 

At initial mode: auto/manual mode selection input of METAL function (manual at “L” input)

 

 

At manual mode: METAL on/off control signal output terminal (METAL on at “H” output)

 

 

 

 

 

 

 

 

 

 

 

 

Not used this function (open)

 

 

 

 

 

 

 

 

 

 

 

 

Dolby control in/out terminal

 

 

 

 

 

 

116

 

DOLON

I/O

 

At initial mode: valid/invalid selection input of dolby function (valid at “L” input)

 

 

At normal mode: dolby on/off control signal output terminal (dolby on at “H” output)

 

 

 

 

 

 

 

 

 

 

 

 

Not used this function (open)

 

 

 

 

 

 

48

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Image 48
Sony MDX-C6500RV service manual Illin, Test, Acc, Lockin, RCIN1, Rstx, Dim Sel, Reel, POS0, POS1, POS2, POS3, Lm Ej, Lm Ld
Page 47 Page 49

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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