Sony MDX-C6500RV Avrh, Avrl, KEYIN1, RCIN0, Dstsel, Quality, Vsm, Volatt, Colsw, Colsel, Davn

Page 47

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

 

43

AVRH

I

Reference voltage (+5V) input terminal (for A/D converter)

44

AVRL

I

Reference voltage (0V) input terminal (for A/D converter)

45

 

AVSS

—

Ground terminal (for analog system)

 

 

 

 

 

 

 

 

 

 

Key input terminal (A/D input) (LSW901 to LSW908, S901 to S904)

46

KEYIN0

I

OFF, SOURCE, SOUND, MENU, PTY DSPL, LIST, ENTER, MODE,

 

 

 

 

SEEK/AMS - .m+ >M, DISC/PRST +, PRST/DISC - keys input

 

 

 

 

 

47

KEYIN1

I

Key input terminal (A/D input) (LSW810, LSW909 to LSW917)

Z, D-BASS, TA, AF, 6 to 3 SHUF 2, REP 1 keys input

 

 

 

 

 

48

RCIN0

I

Rotary remote commander key input terminal (A/D input)

 

 

 

 

 

49

DSTSEL

I

Destination setting terminal (fixed at “L” in this set)

50

QUALITY

I

Noise level detection signal input at SEEK mode (A/D input)

51

FMAGC

I

FM AGC detection signal input from the FM/AM tuner unit (TU1) (A/D input)

 

 

 

 

 

52

MPTH

I

Multi-path detection signal input from the RDS decoder (IC51) (A/D input)

 

 

 

 

 

53

 

VSM

I

FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1)

 

(A/D input)

 

 

 

 

 

 

 

 

 

 

 

 

54

 

VCC

—

Power supply terminal (+5V)

 

 

 

 

 

 

 

 

 

 

Internal RAM reset detection signal input terminal

55

RAMBU

I

Input terminal to check that RAM data are not destroyed due to low voltage

 

 

 

 

This checking is made within 100 msec after reset Not used (fixed at “H”)

56

TUNATT

O

Muting on/off control signal output of the FM/AM tuner signal “H”: muting on

 

 

 

 

 

57

VOLATT

O

Pre amplifier muting on/off control signal output to the electrical volume (IC151)

“L”: muting on

 

 

 

 

 

 

 

 

 

 

 

58

 

ATT

O

Audio line muting on/off control signal output terminal “H”: muting on

 

 

 

 

 

59

AMPON

O

Standby on/off control signal output to the power amplifier (IC611)

“L”: standby mode, “H”: ampifier on

 

 

 

 

 

 

 

 

 

 

 

60

AMPATT

O

Power amplifier muting on/off control signal output to the power amplifier (IC611)

“L”: muting on

 

 

 

 

 

 

 

 

 

 

 

61

COLSW

I

Setting terminal for the illumination color

“L”: 2 color, “H”: 1 color (fixed at “H” in this set)

62

COLSEL

I

Setting terminal for the illumination color

“L”: amber, “H”: green (fixed at “L” in this set)

63

 

VSS

—

Ground terminal

 

 

 

 

 

64

DAVN

I

Data transmit completed detection signal input from the RDS decoder (IC51) “H” active

 

 

 

 

 

65

 

FILE

I

Setting terminal for the custom file “L”: unavailable, “H”: available (fixed at “H” in this set)

 

 

 

 

 

66

 

TEXT

I

Setting terminal for the CD text “L”: unavailable, “H”: available (fixed at “H” in this set)

 

 

 

 

 

67

NOSESW

I

Front panel block remove/attach detection signal input from the nose detection switch (SW504)

“L”: front panel is attached

 

 

 

 

 

 

 

 

 

 

 

 

68, 69

 

NCO

O

Not used (open)

 

70

I2C SIO

I/O

Two-way data I2C bus with the FM/AM tuner unit (TU1), RDS decoder (IC51) and electrical

volume (IC151)

 

 

 

 

 

 

 

 

 

 

 

71

I2C CKO

O

I2C bus clock signal output to the FM/AM tuner unit (TU1), RDS decoder (IC51) and electrical

volume (IC151)

 

 

 

 

 

 

 

 

 

 

 

 

72

 

NCO

O

Not used (open)

 

 

 

 

 

 

73

 

X1A

O

Sub system clock output terminal (32.768 kHz)

74

 

X0A

I

Sub system clock input terminal (32.768 kHz)

75

 

NCO

O

Not used (open)

 

76

KEYACK

I

Input of acknowledge signal for the key entry Acknowledge signal is input to accept function

and eject keys in the power off status On at input of “H”

 

 

 

 

 

 

 

 

 

77

 

BUIN

I

Battery detection signal input from the SONY bus interface (IC701) and battery detect circuit

 

“L” is input at low voltage

 

 

 

 

 

 

 

 

 

 

 

 

47

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Contents 870-087-12 SpecificationsFlexible Circuit Board Repairing Table of Contents GeneralElectrical Adjustments DiagramsSection General Setting the clockPage Page Page Page Page Mechanism Deck MG-164NZ-138 Section DisassemblySUB Panel ASS’Y Main Board Servo BoardHeat Sink MD Cover ASS’YLO Motor ASS’Y Loading M903 Float BlockHolder ASS’Y Lever LE ASS’YOptical PICK-UP KMS-241C/J1NP Chucking ARM ASS’YSL Motor ASS’Y Sled M902, SP Motor ASS’Y Spindle M901 Tuner Section Section Electrical AdjustmentsMD Section Signal Path MDX-C6500RV Section DiagramsBlock Diagram Servo Section MDX-C6500RV Block Diagram Tuner SectionBUS Audio Block Diagram Main SectionMD Play MW/LWBlock Diagram BUS CONTROL/POWER Supply Section Sensor board Servo board SUB board KEY board Main board Circuit Boards LocationComponent Side Semiconductor LocationConductor Side Printed Wiring Board Servo Board Conductor Side See21 for Circuit Boards Location MDX-C6500RV MDX-C6500RV Semiconductor Location ATT Batt GND RL+ FL+ FR+ RR+ REM ACC MDX-C6500RV Schematic Diagram Main Board 2/3 See page 31 for Waveforms MDX-C6500RV KEY Board Waveforms Servo BoardMain Board MDX-C6500RV Schematic Diagram SUB Board Semiconductor Location Conductor Side Semiconductor Location Component SideSchematic Diagram KEY Board See page 31 for Waveforms IC302 IC Block Diagrams Servo Board IC101 PCM1718E/2KIC301 CXD2652AR IC307 MN41V4400TT-08S IC303 BH6511FSIC305 BA6287F IC671 BA4908-V3 Main Board IC51 SAA6588T/V2-118IC701 BA8270F-E2 IC151IC PIN Function Description Avdd MvciAsyo AsyiSprd FS4Srdr SfdrEqadj XlatXstby VrefDfctsel ResetEject NCOMD-SI UnireqUnisi UnisoE2P CKO BusonIllon E2P SIORCIN0 AvrhAvrl KEYIN1Lockin IllinTest ACCPW on TU1 General Section3294-866-A Main BOARD, Complete Fuse Blade Type Auto Fuse 10ALCD901 1-803-889-11 Display PANEL, Liquid Crystal Front Panel Section54 3-041-003-01 Button LIST/ENTER DSPL. LIST. Enter 60 1-694-660-11 Conductive BOARD, ConnectionMechanism Deck MG-164NZ-138 159 161 152 157156 162 158KEY Section Electrical Parts ListKEY Main Double Layer CN701 1-580-907-31 PLUG, Connector BUS ControlElect MylarShort JC4 Jack RemoteResister JC1 Short JC2R56 216-817-11 Servo BOARD, Complete Capacitor Main Sensor ServoVibrator Sensor BOARD, CompleteCXA2523AR CXD2652ARServo SUB 505506 Parts for Installation and Connection501502 503504Memo Revision History

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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