Sony MDX-C6500RV Eject, Nco, Dfctsel, Dpllsel, Emphsel, Lock, Reset, Extal, Vss, Avref, Do-Sel

Page 44

•SERVO BOARD IC501 CXP84340-217Q (MD MECHANISM CONTROLLER)

Pin No.

 

Pin Name

I/O

Description

 

 

 

 

 

 

 

 

 

 

 

1 to 5

TIN3 to TIN7

I/O

Input of the 4⋅ 8 matrix test keys (“L” is always output, except in test mode)

Not used (open)

 

 

 

 

 

 

 

 

 

6

 

LOAD

O

Loading motor control signal output to the motor driver (IC305)

“H” active

*1

 

 

 

 

 

 

 

 

 

7

 

EJECT

O

Loading motor control signal output to the motor driver (IC305)

“H” active

*1

 

 

 

 

 

 

 

 

 

 

 

 

8, 9

 

NCO

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

10

 

MDMON

O

Power supply on/off control signal output of the MD mechanism deck section main power supply

 

and loading motor drive (IC305) power supply

“H”: power on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

 

E-SW

I

Inputs the disc loading completion detect switch detection signal

 

 

 

 

“L”: When completed of the disc loading operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

AG-OK

O

Output of aging status in test mode “L”: under aging, “H”: aging completed

Not used (open)

 

 

 

 

 

 

 

 

13

 

ADJ-OK

O

Output of status when aging completed in test mode

“L”: aging NG, “H”: aging OK

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14 to 17

 

NCO

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

 

DFCTSEL

I

Select whether defect function is used for the CXD2652AR (IC301)

 

 

 

“L”: used this function , “H”: not used this function (fixed at “H” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

 

DPLLSEL

I

Select whether digital PLL function is used for the CXD2652AR (IC301)

 

 

“L”: used this function , “H”: not used this function (fixed at “H” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

EMPHSEL

I

Select whether emphasis signal output from pin or unilink data

 

 

 

 

“L”: outputs from both pin and unilink data, “H”: output from pin only (fixed at “H” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

LOCK

O

Mini-disc lock detection signal output to the master controller (IC501)

“H”: lock

 

 

 

 

 

 

 

 

 

 

 

22

 

NCO

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

23

 

2M/4M

I

Select whether D-RAM capacitance 2M bit or 4M bit

“L”: 4M bit (external D-RAM) , “H”: 2M

 

bit (internal D-RAM of CXD2652AR) (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24, 25

 

NCO

O

Not used (open)

 

 

 

 

 

26

 

MNT0

I

Focus OK signal input from the CXD2652AR (IC301)

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

 

MNT1

I

Track jump detection signal input from the CXD2652AR (IC301)

 

 

 

 

 

 

 

 

 

 

 

28

 

MNT2

I

Busy monitor signal input from the CXD2652AR (IC301)

 

 

 

 

 

 

 

 

 

29

 

MNT3

I

Spindle servo lock status monitor signal input from the CXD2652AR (IC301)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System reset signal input from the master controller (IC501), reset signal generator (IC652) and

30

 

RESET

I

reset switch (SW503) “L”: reset

 

 

 

 

 

 

 

 

 

 

 

For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

 

 

 

 

 

 

 

 

 

 

31

 

EXTAL

O

Main system clock output terminal (10 MHz)

 

 

 

 

 

32

 

XTAL

I

Main system clock input terminal (10 MHz)

 

 

 

 

 

33

 

VSS

—

Ground terminal

 

 

 

 

 

34

 

TX

O

Sub system clock output terminal (32.768 kHz)

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

35

 

TEX

I

Sub system clock input terminal (32.768 kHz)

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

 

36

 

AVSS

—

Ground terminal (for A/D converter)

 

 

 

 

 

 

 

 

 

 

 

 

 

37

 

AVREF

I

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

 

 

 

38

 

INIT

I

Initial reset signal input terminal (A/D input) (fixed at “H”)

 

 

 

39

 

TEMP

I

Temperature sensor (TH501) input terminal (A/D input)

 

 

 

40

 

ACNT

I

Select the number of load/eject aging times (A/D input)

 

 

 

 

0H – 54H (30 times), 55H – OA9H (20 times), OAAH – OFFH (10 times)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

 

DO-SEL

I

Select the digital output bits (A/D input)

 

 

 

 

 

 

 

 

 

 

 

42

 

EE-CS

O

Chip select signal output to the external EEPROM device Not used (open)

 

 

 

 

 

 

 

43

 

EE-CKO

O

Serial data transfer clock signal output to the external EEPROM device

Not used (open)

44

 

EE-SIO

I/O

Two way data bus with the external EEPROM device

Not used (open)

 

 

45

 

MD-SO

O

Writing serial data signal output to the CXD2652AR (IC301) and CXA2523AR (IC302)

46

 

LINKOFF

O

Unilink on/off control signal output for the SONY bus

“L”: link on, “H”: link off

 

 

 

 

 

 

 

 

 

 

 

 

44

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Contents Specifications 870-087-12Table of Contents General Electrical AdjustmentsDiagrams Flexible Circuit Board RepairingSetting the clock Section GeneralPage Page Page Page Page Mechanism Deck MG-164NZ-138 Section DisassemblySUB Panel ASS’Y Servo Board Main BoardMD Cover ASS’Y Heat SinkFloat Block LO Motor ASS’Y Loading M903Lever LE ASS’Y Holder ASS’YChucking ARM ASS’Y Optical PICK-UP KMS-241C/J1NPSL 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 Block Diagram Tuner Section MDX-C6500RVBlock Diagram Main Section MD PlayMW/LW BUS AudioBlock Diagram BUS CONTROL/POWER Supply Section Circuit Boards Location Sensor board Servo board SUB board KEY board Main boardSemiconductor Location Component SideConductor 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 Component Side Semiconductor Location Conductor 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 Main Board IC51 SAA6588T/V2-118 IC671 BA4908-V3IC151 IC701 BA8270F-E2IC PIN Function Description Mvci AsyoAsyi AvddFS4 SrdrSfdr SprdXlat XstbyVref EqadjReset EjectNCO DfctselUnireq UnisiUniso MD-SIBuson IllonE2P SIO E2P CKOAvrh AvrlKEYIN1 RCIN0Illin TestACC LockinPW on General Section 3294-866-A Main BOARD, CompleteFuse Blade Type Auto Fuse 10A TU1Front Panel Section 54 3-041-003-01 Button LIST/ENTER DSPL. LIST. Enter60 1-694-660-11 Conductive BOARD, Connection LCD901 1-803-889-11 Display PANEL, Liquid CrystalMechanism Deck MG-164NZ-138 157 156162 158 159 161 152Section Electrical Parts List KEYKEY Main CN701 1-580-907-31 PLUG, Connector BUS Control ElectMylar Double LayerJack Remote Resister JC1Short JC2 Short JC4R56 216-817-11 Main Sensor Servo VibratorSensor BOARD, Complete Servo BOARD, Complete CapacitorCXD2652AR CXA2523ARServo SUB Parts for Installation and Connection 501502503504 505506Memo 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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