Sony MDX-C6500RX service manual IC PIN Function Description

Page 40

4-19. IC PIN FUNCTION DESCRIPTION

•SERVO BOARD IC301 CXD2652AR

(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER, 2M BIT D-RAM)

Pin No.

Pin Name

I/O

 

Description

 

1

 

MNT0

O

Focus OK signal output to the MD mechanism controller (IC501)

 

“H” is output when focus is on (“L”: NG)

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

MNT1

O

Track jump detection signal output to the MD mechanism controller (IC501)

 

 

 

 

 

 

3

 

MNT2

O

Busy monitor signal output to the MD mechanism controller (IC501)

 

 

 

 

 

 

4

 

MNT3

O

Spindle servo lock status monitor signal output to the MD mechanism controller (IC501)

 

 

 

 

 

 

5

SWDT

I

Writing serial data signal input from the MD mechanism controller (IC501)

 

 

 

 

 

 

6

 

SCLK

I

Serial data transfer clock signal input from the MD mechanism controller (IC501)

7

 

XLAT

I

Serial data latch pulse signal input from the MD mechanism controller (IC501)

8

 

SRDT

O (3)

Reading serial data signal output to the MD mechanism controller (IC501)

9

 

SENS

O (3)

Internal status (SENSE) output to the MD mechanism controller (IC501)

 

 

 

 

 

 

10

 

XRST

I

Reset signal input from the MD mechanism controller (IC501) “L”: reset

 

 

 

 

 

 

11

 

SQSY

O

Subcode Q sync (SCOR) output to the MD mechanism controller (IC501)

 

“L” is output every 13.3 msec

Almost all, “H” is output

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

DQSY

O

Digital In U-bit CD format subcode Q sync (SCOR) output terminal

 

“L” is output every 13.3 msec

Almost all, “H” is output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

13

 

RECP

I

Laser power selection signal input terminal

 

 

“L”: playback mode, “H”: recording mode (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

14

 

XINT

O

Interrupt status output to the MD mechanism controller (IC501)

 

 

 

 

 

 

 

 

 

 

 

 

Recording data output enable signal input terminal

 

15

 

TX

I

Writing data transmission timing input (Also serves as the magnetic head on/off output)

 

 

 

 

 

Not used (fixed at “L”)

 

 

 

 

 

 

 

16

 

OSCI

I

System clock signal (512Fs=22.5792 MHz) input from the oscillator circuit

 

 

 

 

 

 

17

 

OSCO

O

System clock signal (512Fs=22.5792 MHz) output terminal

Not used (open)

 

 

 

 

 

 

 

18

 

XTSL

I

Input terminal for the system clock frequency setting

 

 

 

 

 

“L”: 45.1584 MHz, “H”: 22.5792 MHz (fixed at “H” in this set)

19

RVDD

—

Power supply terminal (+3.3V) (digital system)

 

 

 

20

 

RVSS

—

Ground terminal (digital system)

 

 

 

 

 

 

 

 

 

 

21

 

DIN

I

Digital audio signal input terminal when recording mode

Not used (fixed at “L”)

 

 

 

 

 

 

 

22

DOUT

O

Digital audio signal output terminal when playback mode

Not used (open)

 

 

 

 

 

 

 

23

ADDT

I

Recording data input terminal Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

24

DADT

O

Playback data output to the PCM1718E (IC101)

 

 

 

25

 

LRCK

O

L/R sampling clock signal (44.1 kHz) output to the PCM1718E (IC101)

26

XBCK

O

Bit clock signal (2.8224 MHz) output to the PCM1718E (IC101)

 

 

 

 

 

 

27

 

FS256

O

Clock signal (11.2896 MHz) output to the PCM1718E (IC101)

 

 

 

 

 

 

 

 

 

28

DVDD

—

Power supply terminal (+3.3V) (digital system)

 

 

 

 

 

 

 

 

 

 

 

 

29 to 32

A03 to A00

O

Address signal output to the D-RAM (IC307)

 

 

 

 

 

 

 

 

 

 

33

 

A10

O

Address signal output to the external D-RAM

Not used (open)

34 to 38

A04 to A08

O

Address signal output to the D-RAM (IC307)

 

 

 

39

 

A11

O

Address signal output to the external D-RAM

Not used (open)

40

 

DVSS

—

Ground terminal (digital system)

 

 

 

 

 

 

 

 

 

 

41

 

XOE

O

Output enable signal output to the D-RAM (IC307)

“L” active

 

 

 

 

 

 

42

 

XCAS

O

Column address strobe signal output to the D-RAM (IC307) “L” active

 

 

 

 

 

 

 

 

43

 

A09

O

Address signal output to the D-RAM (IC307)

 

 

 

 

 

 

 

 

 

 

44

 

XRAS

O

Row address strobe signal output to the D-RAM (IC307)

“L” active

45

 

XWE

 

O

Write enable signal output to the D-RAM (IC307)

“L” active

40

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Contents Specifications NEWTable of Contents General Electrical AdjustmentsDiagrams DisassemblySection General Location of controlsPage Page Page Page Page SUB Panel ASS’Y Section DisassemblyMechanism 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 MD Section Section Electrical AdjustmentsTuner Section Signal Path Section DiagramsMD 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 Mvci AsyoAsyi AvddFrdr FS4Srdr SfdrXstby VrefVCC WbladjReset EjectDfctsel DpllselUnireq UnisiUniso EJT-KEYBuson IllonE2P SIO E2P CKOAvrh AvrlKEYIN1 RCIN0Rstx ACCDIM SEL PW on General Section Section Exploded ViewsTU1 54 3-041-003-01 Button LIST/ENTER DSPL. LIST. Enter Front Panel Section60 1-694-660-11 Conductive BOARD, Connection 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.

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