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

Page 18
Image 18
Sony MDX-C6500RX service manual Block Diagram Tuner Section

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.