Sony NEW, MDM-7A, KMS-2608/J1N specifications IC1 M30805SGP System Control Main Board

Page 52

• IC1 M30805SGP SYSTEM CONTROL (MAIN BOARD)

Pin No.

Pin Name

I/O

Function

 

 

 

 

1

DATA(FL)

O

Serial data signal output to the display driver.

 

 

 

 

2

CLK(FL)

O

Serial clock signal output to the display driver. L: Active

 

 

 

 

3

A1-IN

I

A1 Control input. (Fixed at L)

 

 

 

 

4

SIRCS

I

Remote control input.

 

 

 

 

5 to 7

NC

—

Not used.

 

 

 

 

8

MUTE

O

Line out muting output. L: Mute

 

 

 

 

9

AD/DA RESET

O

Reset signal output to the AK4524. L: Active

 

 

 

 

10

AD/DA LATCH

O

Latch signal output to the AK4524. L: Active

 

 

 

 

11

LD-LOW

O

Loading motor voltage control output L: High voltage H: Low voltage

 

 

 

 

12

LDIN

I

Loading motor control input. H: IN

 

 

 

 

13

LDOUT

O

Loading motor control output. H: OUT

 

 

 

 

14

MOD

O

Laser modulation switching signal output. L: OFF H: ON

 

 

 

 

15

BYTE

I

Data bus changed input. (Connected to ground.)

 

 

 

 

16

CNVSS

—

Ground.

 

 

 

 

17

XIN-T

O

Not used .

 

 

 

 

18

XOUT-T

O

Not used .

 

 

 

 

19

RESET

I

System rest input. L : ON

 

 

 

 

20

XOUT

O

Main clock output. (10MHz)

 

 

 

 

21

VSS

—

Ground.

 

 

 

 

22

XIN

I

Main clock input. (10MHz)

 

 

 

 

23

VCC

—

Power supply. (+3.3V)

 

 

 

 

24

NMI

I

Fixed at H. (Pull-up)

 

 

 

 

25

DQSY

I

Digital in sync input. (Record system)

 

 

 

 

26

P.DOWN

I

Power down detection input. L: Power down

 

 

 

 

27

SQSY

I

ADIP (MO) sync or subcode Q (PIT) sync input from CXD2662R.(Playback system)

 

 

 

 

28

K.B-CLK

I

Keyboard clock input.

 

 

 

 

29

LDON

O

Laser ON/OFF control output. H: Laser ON

 

 

 

 

30

LIMIT-IN

I

Detection input from the limit switch. L: Sled limit-In H: Sled limit-Out

 

 

 

 

31

A1 OUT

O

A1 Control output.

 

 

 

 

32

XINIT

I

Interrupt status input from CXD2662R.

 

 

 

 

33

BEEP

O

Beep output.

 

 

 

 

34

LRCKI

I

LR clock input.

 

 

 

 

35

WR PWR

O

Write power ON/OFF output. L: OFF H: ON

 

 

 

 

36

IIC CLK

I/O

IIC serial clock input/output.

 

 

 

 

37

IIC DATA

I/O

IIC serial data input/output.

 

 

 

 

38

SWDT

O

Writing data signal output to the serial bus.

 

 

 

 

39

VCC

—

Power supply. (+3.3V)

 

 

 

 

40

SRDT

I

Reading data signal input from the serial bus.

 

 

 

 

41

VSS

—

Ground.

 

 

 

 

42

SCLK

O

Clock signal output to the serial bus.

 

 

 

 

43

REC-SW

I

Detection signal input from the recording position detection switch. L: REC

 

 

 

 

44

CLIP DATA

O

CLIP serial data output.

 

 

 

 

45

RX0(CLIP)

I

CLIP serial data input.

 

 

 

 

46

CLIP CLK

O

CLIP serial clock output.

 

 

 

 

47

DIG-RST

O

Digital rest signal output to the CXD2662R and motor driver. L: Reset

 

 

 

 

48

SENS

I

Internal status (SENSE) input from the CXD2662R.

 

 

 

 

49

PLAY-SW

I

Detection signal input from the playback position detection switch. L: PLAY

 

 

 

 

50

XLATCH

O

Latch signal output to the serial bus.

 

 

 

 

51

OUT-SW

I

Detection signal input from the loading out detection switch.

 

 

 

 

52

RDY

I

Fixed at H. (Pull-up)

 

 

 

 

53

ALE/RAS

O

Microprocessor mode output. (Not used.)

 

 

 

 

54

HOLD

I

Fixed at H. (Pull-up)

 

 

 

 

52

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Page 51 Page 53
Contents Inputs SpecificationsOutputs Where purchased Power requirements Supplied accessoriesSELF-DIAGNOSIS Function GeneralItems of Error History Mode Items and Contents Table of Contents DisassemblyDiagrams Exploded ViewsSection Service Notes Safety CHECK-OUTFlexible Circuit Board Repairing LeakageJIG for Checking BD Board Waveform IOPRecord Precedure Forced Reset Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Retry Cause Display Mode Bit BinaryHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal Binary Section General Section Disassembly Front Panel SectionMain Board PT BOARD, VOL-SEL BoardMechanism Deck Section MDM-7A BD BoardSection Test Mode Precautions for USE of Test ModeSetting the Test Mode Exiting the Test ModeSelecting the Test Mode Display Details Mark GroupOperating the Continuous Playback Mode MIDOUT MENU/NOTest Mode Displays Mode displayError rate display Functions of Other ButtonsWhen Memory NG is Displayed Meanings of Other DisplaysAutomatic SELF-DIAGNOSIS Function InformationParts Replacement and Adjustment Section Electrical AdjustmentsCheck before replacement Adjustment flow YESPrecautions for USE of Optical PICK- UP KMS-260B Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Using the Continuously Recorded Disc Checks Prior to RepairsAuto Check Other ChecksTraverse Check Traverse WaveformPlay Check MO Error Rate Check CD Error Rate CheckFocus Bias Check Self-Recording/playback CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Traverse Adjustment Iop NV SaveFocus Bias Adjustment YESError Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Section Diagrams For schematic diagramsFor printed wiring boards Circuit Boards LocationBlock Diagrams BD Section MDS-JE440Main Section Sclk Cclk Control Generator OSCMain Board BD BoardDisplay Board Printed Wiring Board BD Section SemiconductorPIN 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 IC Block Diagrams IC101 CXA2523AR BD BoardIC400 LA5643 Main Board IC PIN Functions Pin No Pin Name Function MNT0 FOK MNT1 Shck MNT2 Xbusy MNT3 SlocMvci AsyoAsyi AvddTfdr FfdrFrdr FS4IC1 M30805SGP System Control Main Board HLDA/ALE Section Exploded Views Chassis SectionNot supplied FL771 Mechanism MDM-7A 202 220 201 213 215 216 205 218 207259 Section Electrical Parts List Description Remarks Ref. NoIC TC7WU04FUTE12R SWITCH, Keyboard MENU/NO Display KEY-SWMain CN1Diode MA8047-TX Main VOL-SEL VibratorSony Corporation
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