Sony MDX-C6500RX service manual TDA7402TR

Page 39

IC151

 

TDA7402TR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACINLR ACINRF

ACINRR

 

 

 

 

OUTLF

OUTLR

OUTRF

OUTRR

OUTSWL

OUTSWR

OUTSSL

OUTSSR

 

 

 

 

 

 

 

 

33 32 31

 

 

 

 

30

29

28

27

26

25

24 23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MIXER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MONO-

MONO-

MONO-

MONO-

MONO-

MONO-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FADER

FADER

FADER

FADER

FADER

FADER

 

 

 

ACINLF

34

 

 

 

 

 

 

 

 

 

 

FRONT

 

 

 

SUBWOOFER

 

 

 

SWINR

35

 

 

 

 

 

ACIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT

 

 

 

 

 

+PHASE

 

 

 

SWINL

36

 

 

 

 

 

 

REAR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

SELECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACOUTR

37

 

 

 

 

 

MAIN

 

 

 

 

 

SW

 

 

 

 

 

 

 

 

ACOUTL

38

 

 

 

 

 

SECOND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CREF

39

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

VDD

 

 

 

 

 

VOICE

 

 

 

 

 

-BUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

SCL

 

 

 

 

 

BANDPASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

SDA

 

 

 

HP

 

 

 

 

 

 

 

 

 

IIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUPPLY

19

GND

 

 

 

TREBLE

 

 

 

 

 

 

 

 

 

 

 

HIGH-CUT

 

 

 

18

SM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLUME

 

 

 

 

 

 

 

 

CONTROL

 

 

S&H

 

 

PULSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FORMER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOFTMUTE

 

 

 

 

 

 

 

 

DIGITAL

 

 

25kHz

 

 

QUAL

17

QUAL

 

 

 

 

 

 

COMPANDER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOUDNESS

 

 

 

 

 

LOUDNESS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MULTIPATH

16

MPOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEMODULATOR

 

 

 

MUX

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DETECTOR

15

MPIN

 

 

 

 

 

 

 

 

 

IN-GAIN

 

 

+STEREO ADJUST

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+STEREO BLAND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BEEP

 

 

 

D/A

14

LEVEL

 

 

 

IN-GAIN

 

 

 

 

 

 

MUTE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PILOT

 

CONVERTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+AUTO ZERO

 

 

 

 

 

 

 

 

 

 

 

CANCELATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIL DET

 

 

 

 

 

 

MAIN SOURCE

 

MIXING

SECOND SOURCE

 

 

 

 

 

 

 

 

 

 

SELECTOR

 

SELECTOR

 

 

SELECTOR

 

 

 

 

 

 

 

 

 

MD1

41

MAIN

 

 

 

 

 

 

 

 

 

 

 

 

 

PLL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MD1G

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80kHz

13

MPX

 

 

 

 

 

INPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LP

 

 

 

 

 

 

MULTIPLEXER

 

 

 

 

FM

 

 

 

 

 

 

 

MD2

43

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PHONO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MD2G

44

 

 

 

 

 

 

 

 

 

 

AM/FM

 

 

 

 

 

 

MAIN

 

CH0

 

 

AUX

 

 

AM

 

 

 

 

12

AMIF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOISE BLANKER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

10

 

11

 

 

 

 

 

 

 

 

 

 

SEL

SER

FD1L+

FD1L– FD1R+

FD1R–

FD2L+

FD2L– FD2R+

FD2R–

 

AM

 

 

 

 

 

 

 

 

IC701

BA8270F-E2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BUS ON

1

 

BUS ON

 

 

 

14

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RST 2

RESET

13

RST

SWITCH

 

 

 

12BUS ON

11CLK IN

BATT

3

BATTERY

10

BU IN

SWITCH

 

 

 

 

CLK

4

 

 

 

VREF

5

 

 

 

DATA

6

 

9

DATA IN

GND 7

8 DATA OUT

39

Image 39
Contents NEW SpecificationsDisassembly Table of Contents GeneralElectrical Adjustments DiagramsLocation of controls Section GeneralPage Page Page Page Page Section Disassembly SUB Panel ASS’YMechanism 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 Section Electrical Adjustments MD SectionTuner Section Section Diagrams Signal PathMD Play Block Diagram Tuner Section BUS Audio MW/LWBlock 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 Avdd MvciAsyo AsyiSfdr FrdrFS4 SrdrWbladj XstbyVref VCCDpllsel ResetEject DfctselEJT-KEY UnireqUnisi UnisoE2P CKO BusonIllon E2P SIORCIN0 AvrhAvrl KEYIN1ACC 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-138 152 A-3326-034-A Sensor BOARD, Complete 155KEY Section Electrical Parts ListRES, Chip AmberResistor Metal ChipKEY Main RD6.8ESB2 CN701 1-580-907-31 PLUG, Connector BUS ControlMylar Double LayerShort JC4 TDA7402TRJack Remote Resistor JC1 Short JC2Carbon Main Sensor Servo CXA2523AR Ferrite BeadFerrite Bead Inductor Chip CXD2652ARServo SUB Ver 1.1 Parts for Installation and ConnectionRevision 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.