Sony MDX-C6500RX service manual Block Diagram BUS CONTROL/POWER Supply Section

Page 20

MDX-C6400R/C6500R/C6500RX

 

 

 

 

 

 

 

 

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,

LED910-915,

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 NEWTable of Contents General Electrical AdjustmentsDiagrams DisassemblySection General Location of controlsPage 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 MD Play Section DiagramsSignal Path Block Diagram Tuner Section MW/LW BUS AudioBlock Diagram BUS CONTROL/POWER Supply Section Circuit Boards Location Semiconductor Location Ref. No Location IC307 Q402 Q403 MDX-C6400R/C6500R/C6500RX MDX-C6400R/C6500R/C6500RX Semiconductor Location RL+ FL+ FR+ RR+ ATT 13 5 Remamp REM ACC MDX-C6400R/C6500R/C6500RX Schematic Diagram Main Board 2/3 See page 31 for Waveforms MDX-C6400R/C6500R/C6500RX Main Board MDX-C6400R/C6500R/C6500RX Schematic Diagram SUB Board Ref. No Location D901 D902 D903 D904 D951 D952 IC901 Schematic Diagram KEY Board See page 31 for Waveform CXA2523AR IC305 BA6287F Main Board IC51 SAA6588T/V2-118 TDA7402TR IC PIN Function Description Mvci AsyoAsyi AvddFrdr FS4Srdr SfdrXstby VrefVCC WbladjReset EjectDfctsel DpllselUnireq UnisiUniso EJT-KEYBuson IllonE2P SIO E2P CKOAvrh AvrlKEYIN1 RCIN0DIM SEL ACCRstx PW on TU1 Section Exploded ViewsGeneral Section 60 1-694-660-11 Conductive BOARD, Connection Front Panel Section54 3-041-003-01 Button LIST/ENTER DSPL. LIST. Enter Mechanism Deck MG-164NZ-138 155 152 A-3326-034-A Sensor BOARD, CompleteSection Electrical Parts List KEYAmber ResistorMetal Chip RES, ChipKEY Main CN701 1-580-907-31 PLUG, Connector BUS Control MylarDouble Layer RD6.8ESB2TDA7402TR Jack Remote Resistor JC1Short JC2 Short JC4Carbon Main Sensor Servo Ferrite Bead Ferrite Bead Inductor ChipCXD2652AR CXA2523ARServo SUB Parts for Installation and Connection Ver 1.1Revision History

MDX-C6500R, MDX-C6500RX specifications

The Sony MDX-C6500R and MDX-C6500RX are distinguished models in the realm of automotive audio systems, known for their innovative features and superior sound quality. Designed to enhance the driving experience, these units combine functionality with state-of-the-art technology, making them popular choices among car audio enthusiasts.

One of the standout features of the MDX-C6500R and MDX-C6500RX is their impressive sound output. Both models are equipped with a high-quality amplifier that delivers clear and powerful audio performance. The incorporation of advanced equalization options allows users to fine-tune the sound to their specific preferences, ensuring an optimal listening experience no matter the genre of music.

The connectivity options are another highlight of these models. The MDX-C6500R and MDX-C6500RX come with built-in CD players, enabling users to enjoy their favorite albums while on the road. Additionally, these units support a variety of audio formats, ensuring compatibility with a wide range of media. For those who prefer digital music, the inclusion of USB ports and auxiliary inputs allows for seamless integration of smartphones and other devices, making it easy to access personal playlists or streaming services.

User interface and functionality have not been overlooked in these models. Both the MDX-C6500R and MDX-C6500RX feature an intuitive control panel with a clear display, allowing for easy navigation through tracks and settings. The rotary volume control provides a tactile experience that enhances usability, while preset functions enable users to save their favorite stations for one-touch access.

In terms of design, both models boast a sleek and modern aesthetic that fits well with the interior of various vehicle types. They are built to withstand the rigors of daily use while maintaining a refined look, making them suitable for both casual listeners and audiophiles alike.

Moreover, these models prioritize safety and convenience. They are designed with features that minimize distractions, ensuring drivers can focus on the road while still enjoying high-quality audio. Some models may also include compatibility with steering wheel controls, further enhancing the user experience.

In summation, the Sony MDX-C6500R and MDX-C6500RX stand out as reliable and feature-rich car audio solutions. With high-quality sound performance, extensive connectivity options, and user-friendly controls, they are ideal for anyone looking to elevate their in-car audio experience. As drivers continue to seek better sound systems, these Sony models remain relevant and desirable choices.