Sony MDX-C6500RV service manual Xlat, Xstby, Vref, Eqadj, Vcc, Wbladj, Csled, Addc, Opo, Opn, Rfo

Page 43

•SERVO BOARD IC302 CXA2523AR (RF AMP, FOCUS/TRACKING ERROR AMP)

Pin No.

Pin Name

I/O

 

 

Description

 

 

 

 

 

1

 

I

I

I-V converted RF signal I input from the optical pick-up block detector

 

 

 

 

 

2

 

J

I

I-V converted RF signal J input from the optical pick-up block detector

 

 

 

 

 

3

 

VC

O

Middle point voltage (+1.65V) generation output terminal

 

 

 

 

 

4 to 9

 

A to F

I

Signal input from the optical pick-up detector

 

 

 

 

 

10

 

PD

I

Light amount monitor input from the optical pick-up block laser diode

11

 

APC

O

Laser amplifier output terminal to the automatic power control circuit

12

APCREF

I

Reference voltage input terminal for setting laser power

13

 

GND

—

Ground terminal

 

 

 

 

 

 

 

 

14

TEMPI

I

Connected to the temperature sensor

Not used (open)

 

 

 

 

 

15

TEMPR

O

Output terminal for a temperature sensor reference voltage Not used (open)

 

 

 

 

 

16

SWDT

I

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

 

 

 

 

 

17

 

SCLK

I

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

18

XLAT

I

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

 

 

 

 

 

19

XSTBY

I

Standby signal input terminal “L”: standby (fixed at “H” in this set)

 

 

 

 

 

20

F0CNT

I

Center frequency control voltage input terminal of internal circuit (BPF22, BPF3T, EQ) input

terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

VREF

O

Reference voltage output terminal

Not used (open)

 

 

 

 

22

EQADJ

I

Center frequency setting terminal for the internal circuit (EQ)

 

 

 

 

23

3TADJ

I

Center frequency setting terminal for the internal circuit (BPF3T)

24

 

VCC

—

Power supply terminal (+3.3V)

 

 

25

WBLADJ

I

Center frequency setting terminal for the internal circuit (BPF22)

 

 

 

 

 

26

 

TE

O

Tracking error signal output to the CXD2652AR (IC301)

 

 

 

 

27

CSLED

I

Connected to the external capacitor for low-pass filter of the sled error signal

 

 

 

 

 

28

 

SE

O

Sled error signal output to the CXD2652AR (IC301)

 

 

 

 

 

 

29

ADFM

O

FM signal output of the ADIP

 

 

30

 

ADIN

I

Receives a ADIP FM signal in AC coupling

31

ADAGC

I

Connected to the external capacitor for ADIP AGC

 

 

 

 

 

32

ADFG

O

ADIP duplex signal (22.05 kHz ±

1 kHz) output to the CXD2652AR (IC301)

 

 

 

 

 

33

 

AUX

O

Auxiliary signal (I3 signal/temperature signal) output terminal Not used (open)

 

 

 

 

 

34

 

FE

O

Focus error signal output to the CXD2652AR (IC301)

 

 

 

 

35

ABCD

O

Light amount signal (ABCD) output to the CXD2652AR (IC301)

36

BOTM

O

Light amount signal (RF/ABCD) bottom hold output to the CXD2652AR (IC301)

37

PEAK

O

Light amount signal (RF/ABCD) peak hold output to the CXD2652AR (IC301)

 

 

 

 

 

38

 

RF

O

Playback EFM RF signal output to the CXD2652AR (IC301)

 

 

 

 

39

RFAGC

I

Connected to the external capacitor for RF auto gain control circuit

 

 

 

 

 

40

 

AGCI

I

Receives a RF signal in AC coupling

 

 

 

 

 

41

COMPO

O

User comparator output terminal

Not used (open)

42

COMPP

I

User comparator input terminal

Not used (fixed at “L”)

43

ADDC

I

Connected to the external capacitor for cutting the low band of the ADIP amplifier

 

 

 

 

 

44

 

OPO

O

User operational amplifier output terminal Not used (open)

 

 

 

 

 

45

 

OPN

I

User operational amplifier inversion input terminal Not used (fixed at “L”)

 

 

 

 

 

 

 

46

 

RFO

O

RF signal output terminal

 

 

 

 

 

 

47

MORFI

I

Receives a MO RF signal in AC coupling

48

MORFO

O

MO RF signal output terminal

 

 

43

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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 SUB Panel ASS’Y Section DisassemblyMechanism Deck MG-164NZ-138 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 MD Section Section Electrical AdjustmentsTuner Section Block Diagram Servo Section MDX-C6500RV Section DiagramsSignal Path 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 Location21 for Circuit Boards Location Printed Wiring Board Servo Board Conductor Side SeeConductor Side 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 Main Board Waveforms Servo BoardKEY Board MDX-C6500RV Schematic Diagram SUB Board Semiconductor Location Conductor Side Semiconductor Location Component SideSchematic Diagram KEY Board See page 31 for Waveforms IC301 CXD2652AR IC Block Diagrams Servo Board IC101 PCM1718E/2KIC302 IC305 BA6287F IC303 BH6511FSIC307 MN41V4400TT-08S 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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