Sony NEW MNT0 FOK, MNT1 Shck, MNT2 Xbusy, MNT3 Sloc, Srdt, Sens, Xrst, Sqsy, Dqsy, Recp, Xint

Page 49

• IC151 CXD2662R Digital Signal Processor, Digital Servo Signal Processor (BD BOARD)

Pin No.

Pin Name

I/O

 

 

 

 

Function

 

 

 

 

 

 

 

 

1

MNT0 (FOK)

O

 

FOK signal output to the system control (monitor output)

 

“H” is output when focus is on

 

 

 

 

 

 

 

 

 

 

 

 

2

MNT1 (SHCK)

O

 

Track jump detection signal output to the system control (monitor output)

 

 

 

 

 

 

 

 

3

MNT2 (XBUSY)

O

 

Monitor 2 output to the system control (monitor output)

 

 

 

 

 

 

 

 

4

MNT3 (SLOC)

O

 

Monitor 3 output to the system control (monitor output)

 

 

 

 

 

 

 

 

5

SWDT

I

 

Writing data signal input from the system control

 

 

 

 

 

 

 

 

6

SCLK

I (S)

 

Serial clock signal input from the system control

 

 

 

 

 

 

 

 

7

XLAT

I (S)

 

Serial latch signal input from the system control

 

 

 

 

 

 

 

 

8

SRDT

O (3)

 

Reading data signal output to the system control

 

 

 

 

 

 

 

 

9

SENS

O (3)

 

Internal status (SENSE) output to the system control

 

 

 

 

 

 

 

 

10

XRST

I (S)

 

Reset signal input from the system control “L”: Reset

 

 

 

 

 

 

 

 

11

SQSY

O

 

Subcode Q sync (SCOR) output to the system control

 

“L” is output every 13.3 msec. Almost all, “H” is output

 

 

 

 

 

 

 

 

 

 

 

 

12

DQSY

O

 

Digital In U-bit CD format or MD format subcode Q sync (SCOR) output to the system

 

control

 

 

 

 

 

 

 

 

 

 

 

 

13

RECP

I

 

Laser power switching input from the system control “H”: Recording, “L”: Playback

 

 

 

 

 

 

 

 

14

XINT

O

 

Interrupt status output to the system control

 

 

 

 

 

 

 

 

15

TX

I

 

Recording data output enable input from the system control

 

 

 

 

 

 

 

 

16

OSCI

I

 

System clock input (512Fs=22.5792 MHz)

 

 

 

 

 

 

 

 

17

OSCO

O

 

System clock output (512Fs=22.5792 MHz) (Not used)

 

 

 

 

 

 

 

 

18

XTSL

I

 

System clock frequency setting “L”: 45.1584 MHz, “H”: 22.5792 MHz (Fixed at “H”)

 

 

 

 

 

 

 

 

19

DIN0

I

 

Digital audio input (Optical input)

 

 

 

 

 

 

 

 

20

DIN1

I

 

Digital audio input (Optical input)

 

 

 

 

 

 

 

 

21

DOUT

O

 

Digital audio output (Optical output)

 

 

 

 

 

 

 

 

22

DADTI

I

 

Serial data input

23

LRCKI

I

 

LR clock input “H” : Lch, “L” : R ch

 

 

 

 

 

 

 

 

24

XBCKI

I

 

Serial data clock input

 

 

 

 

 

25

ADDT

I

 

Data input from the A/D converter

 

 

 

 

 

 

 

 

26

DADT

O

 

Data output to the D/A converter

 

 

 

 

 

 

 

 

27

LRCK

O

 

LR clock output for the A/D and D/A converter (44.1 kHz)

 

 

 

 

 

 

 

 

28

XBCK

O

 

Bit clock output to the A/D and D/A converter (2.8224 MHz)

 

 

 

 

 

 

 

 

29

FS256

O

 

11.2896 MHz clock output (Not used)

 

 

 

 

 

30

DVDD

 

+3V power supply (Digital)

 

 

 

 

 

31 to 34

A03 to A00

O

 

DRAM address output

35

A10

O

 

DRAM address output (Not used)

 

 

 

 

 

 

 

 

36 to 40

A04 to A08

O

 

DRAM address output

 

 

 

 

 

 

 

 

41

A11

O

 

DRAM address output (Not used)

 

 

 

 

 

 

 

 

42

DVSS

 

Ground (Digital)

43

XOE

O

 

Output enable output for DRAM

 

 

 

 

 

 

 

44

XCAS

O

 

CAS signal output for DRAM

45

A09

O

 

Address output for DRAM

 

 

 

 

 

 

 

 

46

XRAS

O

 

 

 

 

signal output for DRAM

 

RAS

 

 

 

 

 

47

XWE

O

 

Write enable signal output for DRAM

 

 

 

 

 

 

 

 

* I (S) stands for Schmidt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O

49

Image 49
Contents Inputs SpecificationsOutputs Supplied accessories Where purchased Power requirementsSELF-DIAGNOSIS Function GeneralItems of Error History Mode Items and Contents Disassembly Table of ContentsDiagrams Exploded ViewsSafety CHECK-OUT Section Service NotesFlexible Circuit Board Repairing LeakageIOP JIG for Checking BD Board WaveformRecord Precedure Forced Reset Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Bit Binary Retry Cause Display ModeHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal Binary Section General Front Panel Section Section DisassemblyPT BOARD, VOL-SEL Board Main BoardBD Board Mechanism Deck Section MDM-7APrecautions for USE of Test Mode Section Test ModeSetting the Test Mode Exiting the Test ModeDisplay Details Mark Group Selecting the Test ModeMID Operating the Continuous Playback ModeOUT MENU/NOMode display Test Mode DisplaysError rate display Functions of Other ButtonsMeanings of Other Displays When Memory NG is DisplayedAutomatic SELF-DIAGNOSIS Function InformationParts Replacement and Adjustment Section Electrical AdjustmentsCheck before replacement YES Adjustment flowPrecautions for USE of Optical PICK- UP KMS-260B Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Checks Prior to Repairs Using the Continuously Recorded DiscOther Checks Auto CheckTraverse Check Traverse WaveformCD Error Rate Check Play Check MO Error Rate CheckFocus Bias Check Self-Recording/playback CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Iop NV Save Traverse AdjustmentYES Focus Bias AdjustmentAuto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points For schematic diagrams Section DiagramsFor printed wiring boards Circuit Boards LocationMDS-JE440 Block Diagrams BD SectionSclk Cclk Control Generator OSC Main SectionMain Board BD BoardDisplay Board Semiconductor Printed Wiring Board BD SectionPIN PIN Function Printed Wiring Board Main Section Side a Printed Wiring Board Main Section Side B PIN MDS-JE440 Schematic Diagram Main /3 See page 47 for IC Block Diagrams Printed Wiring Board Power Section Printed Wiring Board Display Section Schematic Diagram Display Section See page 34 for Waveforms IC101 CXA2523AR BD Board IC Block DiagramsIC400 LA5643 Main Board Pin No Pin Name Function IC PIN FunctionsMNT1 Shck MNT0 FOKMNT2 Xbusy MNT3 SlocAsyo MvciAsyi AvddFfdr TfdrFrdr FS4IC1 M30805SGP System Control Main Board HLDA/ALE Chassis Section Section Exploded ViewsNot supplied FL771 202 220 201 213 215 216 205 218 207 Mechanism MDM-7A259 Description Remarks Ref. No Section Electrical Parts ListIC TC7WU04FUTE12R Display KEY-SW SWITCH, Keyboard MENU/NOCN1 MainDiode MA8047-TX Vibrator Main VOL-SELSony Corporation

KMS-2608/J1N, MDM-7A, NEW specifications

Sony has long been a leader in the realm of electronic innovation, and the introduction of the NEW MDM-7A and KMS-2608/J1N models further solidifies this position. These devices are a testament to Sony's commitment to delivering cutting-edge technology that enhances user experience across various applications.

The MDM-7A, a multi-channel digital mixer, offers advanced audio processing capabilities, ideal for both studio and live sound environments. One of its standout features is its high-resolution 24-bit audio processing, which ensures crystal-clear sound reproduction and fidelity. The MDM-7A supports a wide range of audio formats, making it compatible with various production environments. Moreover, its intuitive user interface facilitates easy navigation and control over numerous audio channels while maintaining flexibility for complex setups.

On the other hand, the KMS-2608/J1N is a multichannel audio management system designed for more extensive sound setups. One of its primary features is the smart signal routing capability, which allows users to manage audio signals efficiently across different outputs. This is especially beneficial in large-scale events or installations where sound management can become challenging. With support for both analog and digital audio inputs, the KMS-2608/J1N caters to a variety of equipment, ensuring seamless integration with existing systems.

In terms of connectivity, both devices are equipped with multiple input and output options, including XLR and TRS connectors, along with digital interfaces such as AES/EBU and S/PDIF. This flexibility allows users to customize their audio setups according to specific needs and preferences.

Another defining characteristic of the MDM-7A and KMS-2608/J1N is their durability and reliability. Built with robust materials and designed for extensive use, these devices are engineered to withstand the rigors of professional use, making them a smart investment for audio professionals.

In conclusion, the Sony MDM-7A and KMS-2608/J1N embody the future of audio technology, combining superior sound performance with user-friendly features. These models are not only designed to meet current industry standards but are also forward-thinking, making them suitable for a wide array of applications, from studio recordings to live events. As Sony continues to innovate, these devices are sure to play a significant role in shaping the audio landscape for years to come.