Sony MDX-C6500RX service manual Block Diagram Tuner Section

Page 18

MDX-C6400R/C6500R/C6500RX

4-2.

BLOCK DIAGRAM – TUNER Section –

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BU B+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TUNER +8.7V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TUNER +5.6V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FM/AM TUNER UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1

TU1

 

 

 

 

 

11

5

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(FM/AM ANTENNA)

(E2PROM)SDA

(E2PROM)SCL

AGC-FM

METER-S

DET-RDS

 

(5V)E2PVDD

(8.5V)VCC

(5V)VDD

 

 

 

(12CBUS)SDA (12CBUS)SCL

AM-IF

 

 

 

 

 

 

 

MPX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

(Page 19)

 

2

ANT-FM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MPX

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

ANT-AM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MUTING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q111

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AM-DET

8

 

 

 

 

 

AM

F

(Page 19)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17 18

4

14

9

 

 

 

 

 

 

 

12 13

19

 

 

 

 

 

MUTING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q121

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MUTING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D131

Q131

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IF-AM

G

(Page 19)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA

 

 

 

 

 

 

 

 

DATA, CLOCK

I

(Page 19)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA

CLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RDS DECODER

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC51

 

 

 

SIGNAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QUALITY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DECODER

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

57 kHz

SC

 

 

 

 

 

 

RDS/RDBS

 

IIC BUS

SDA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT

 

 

CIN

CLOCKED

 

INTERFACE

9

 

 

 

 

 

 

 

 

 

 

 

 

16

 

19

 

SCL

 

 

 

 

 

 

 

 

 

 

 

 

BAND-PASS

18

COMPARATOR

DEMODULATOR

REGISTER

SLAVE

10

 

 

 

 

 

 

 

 

 

 

 

 

MPX

FILTER

 

 

 

 

& DECODER

TRANSCEIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MPTH

 

 

 

 

 

 

 

 

 

 

 

 

BUFFER

 

 

 

 

 

 

 

 

 

 

 

LVIN

MULTI

 

 

OSCILLATOR

 

 

 

 

 

 

 

Q1

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

PATH

 

 

 

& CLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DETECTOR

 

 

 

OSCI

 

OSCO

 

DAVN

 

 

 

 

 

FILTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BAND-PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

4

 

8

 

 

 

 

 

IC90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X51

 

 

 

 

 

 

 

 

NOISE DET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISCHARGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.332MHz

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S-METER

H

(Page 19)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

10

51

53

 

 

 

 

52

 

 

 

 

64

 

 

 

 

 

50

32

 

56

 

 

 

 

E2P SIO

E2P CKO

FMAGC

VSM

 

 

 

 

MPTH

 

 

 

 

DAVN

 

 

 

 

 

QUALITY

NS MASK

 

TUNATT

 

 

 

MASTER CONTROLLER

 

IC501 (1/3)

 

 

• SIGNAL PATH

 

 

: FM

05

 

: MW/LW

 

 

 

18 18

Image 18
Contents Specifications NEWDiagrams Table of Contents GeneralElectrical Adjustments DisassemblySection General Location of controlsPage Page Page Page Page Section Disassembly SUB Panel ASS’YMechanism Deck MG-164NZ-138 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 Section Electrical Adjustments MD SectionTuner Section Section Diagrams Signal PathMD Play 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 Asyi MvciAsyo AvddSrdr FrdrFS4 SfdrVCC XstbyVref WbladjDfctsel ResetEject DpllselUniso UnireqUnisi EJT-KEYE2P SIO BusonIllon E2P CKOKEYIN1 AvrhAvrl RCIN0ACC RstxDIM SEL PW on Section Exploded Views General SectionTU1 Front Panel Section 54 3-041-003-01 Button LIST/ENTER DSPL. LIST. Enter60 1-694-660-11 Conductive BOARD, Connection Mechanism Deck MG-164NZ-138 155 152 A-3326-034-A Sensor BOARD, CompleteSection Electrical Parts List KEYMetal Chip AmberResistor RES, ChipKEY Main Double Layer CN701 1-580-907-31 PLUG, Connector BUS ControlMylar RD6.8ESB2Short JC2 TDA7402TRJack Remote Resistor JC1 Short JC4Carbon Main Sensor Servo CXD2652AR Ferrite BeadFerrite Bead Inductor Chip 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.