Sony MDX-C6500RV service manual Block Diagram BUS CONTROL/POWER Supply Section

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MDX-C6500RV

4-4.

BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –

 

 

 

 

CN701

 

 

 

 

REMOTE CONTROL

 

MASTER CONTROLLER

 

BUS CONTROL IN

 

 

 

 

RECEIVER

 

 

 

 

 

 

 

IC501 (3/3)

 

 

 

 

 

IC951

 

 

(FOR SONY BUS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

D708

 

SIRCS BUFFER

 

 

 

 

SIRCS

 

 

 

24

SIRCS

 

 

 

 

 

 

 

 

 

Q704

 

 

 

 

 

 

 

 

 

 

 

 

BU B+

RESET SIGNAL

 

90

RSTX

 

 

 

GENERATOR

 

 

 

 

 

 

IC652

 

 

86

HSTX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW503

 

 

 

 

 

 

 

 

 

RESET

 

 

 

 

 

 

 

 

 

D301

 

 

 

 

 

 

SONY BUS INTERFACE

 

 

 

 

 

 

 

 

IC701

 

 

 

 

 

RESET

2

2

RST

RESET

RST

13

11

SYSRST

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

DATA

5

6

DATA

DATA IN

9

18

UNISO

 

 

 

 

 

 

 

 

 

 

DATA OUT

8

17

UNISI

 

CLK

4

4

CLK

 

CLK IN

11

19

UNICKO

 

 

 

 

BUS ON SWITCH

 

 

 

 

 

 

BUS ON

 

 

 

20

UNICKI

 

 

Q705

 

 

BUS

 

 

BUS ON

6

1

OUT

BUS ON

ON IN

12

3

BUSON

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PW ON 120

 

7

 

BATT

BATTERY

BU IN

 

 

TUNON

1

BATT

3

10

77

BUIN

 

 

 

 

 

SWITCH

 

 

TUNER +8.7V

TUNER +5.6V

RDS DECODER

(IC51) B+

COM +8V

(AUDIO CIRCUIT B+)

BU B+

PULL UP +5V

D677

U-COM +5V

D2

D1

D676

6AMP+B

8ANT+B

REGULATOR

IC671

11TU8.7V

10TU5.6V

9

COM8V

 

5

BU+B

SW

 

STB

5.6VON

 

4

3

 

 

CN601 (2/2)

 

 

(POWER CONNECTOR)

D673

 

6

ANT-R

 

 

 

 

 

 

D674

 

 

 

 

 

5

AMP-R

 

 

 

 

 

BACK-UP B+

POWER AMP

(IC611) B+

VCC 7

SW8.7VON 2

TH701

D702

 

 

 

 

 

 

D701

BATTERY

 

BACK-UP B+

 

 

 

DETECT

 

 

 

Q701

7

 

 

ILLON

 

 

ACC IN

82

 

 

DOORIND

29

LCD B+

LCD DRIVER

(IC901) B+

LED901 – 904,

LSW901 – 917

REGULATOR

CONTROL SWITCH

Q633

ACCESSORY CHECK

Q661

LED810

(MD DISC SLOT) LED810,

LSW810LSW810

Z

FU601

16

REGULATOR

+B

Q631

 

D662

7

 

 

ACC

REGULATOR

Q551

 

MD MECHANISM CONTROLLER

 

 

IC501 (2/2)

 

60

BU-IN

MD-ON 65

 

61

BUS-ON

 

 

30

RESET

MDMON 10

 

 

 

49

UNISI

 

 

48

UNICKIO

 

LEVEL SHIFT

50

UNISO

 

Q706

 

 

 

 

 

46

LINKOFF

 

05

 

 

 

 

20

20

 

REGULATOR

CONTROL SWITCH

Q363

REGULATOR

CONTROL SWITCH

Q250

LO +12V

LOADING MOTOR

DRIVER (IC305) B+

VCC

+3.3V

+3.3V REGULATOR IC401, Q401

B+ SWITCH

Q402, 403

DRIVER +5V

MOTOR/COIL DRIVER

(IC303) B+

+12V

REGULATOR

Q361

+5V

REGULATOR

Q362

Image 20
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.