Sony KMS-2608/J1N, MDM-7A, NEW specifications IC400 LA5643 Main Board

Page 47

IC400 LA5643 (MAIN BOARD)

 

 

- +

 

 

 

 

 

 

 

 

 

 

 

DELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESET CIRCUIT

 

 

 

 

+ -

+ -

VREF1

VREF2

+ -

 

 

+ -

 

 

 

 

 

 

 

 

 

 

 

DELAY

 

 

- +

VREF3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

10

11 12

13

IC440 LB1641 (MAIN BOARD)

T.S.D

 

 

 

 

 

 

 

 

O.C.P

 

 

MOTOR

 

 

 

 

 

 

 

MOTOR

 

 

DRIVE

 

 

 

 

 

 

 

DRIVE

 

 

 

 

 

FWD/REV/STOP

 

 

 

 

 

 

 

 

 

CONTROL LOGIC

 

 

 

 

 

1

2

3

4

5

6

7

8

9

10

GND

MOTOR DRIVE

NOISE FILTER

CLAMP

FWD.IN

REV.IN

VCC 1

VCC 2

NOISE FILTER

MOTOR

DRIVE

IC480 M5293L (MAIN BOARD)

IC500 AK4524-TP (MAIN BOARD)

GND

2

 

 

 

 

VCOM

1

 

 

 

 

5k

 

 

 

 

 

 

 

5

REFERENCE

AINR

2

 

 

 

 

VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

27k

 

 

 

 

 

 

+

3

OUT

 

 

 

 

 

 

 

 

ON/OFF

4

REFERENCE

–

 

 

AINL

3

VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVERHEAT

OVERCURRENT

 

VREF

4

 

 

 

PROTECTION

LIMITTER

 

 

 

 

 

AGND

5

IN

1

 

 

 

 

 

 

 

 

VA

6

 

 

 

 

 

 

 

 

 

 

 

 

TEST

7

 

 

 

 

 

 

XTAO

8

 

 

 

 

 

 

XTAI

9

 

 

 

 

 

 

XTALE

10

 

 

 

 

 

 

LRCK

11

 

 

 

 

 

 

BICK

12

 

 

 

 

 

 

SDTO

13

 

 

 

 

 

 

SDTI

14

CLOCK

GENERATOR

& DIVIDER

AUDIO

INTERFACE

CONTROLLER

A/D

D/A

28

AOUTR+

27

AOUTR–

CONVERTER

CONVERTER

26

AOUTL+

BLOCK

BLOCK

25

AOUTL–

 

 

 

 

24

DGND

 

 

23

VD

 

 

22

VT

 

 

21

CLKO

 

 

20

M/S

 

 

19

PD

H.P.F.

 

18

CIF

D-ATT

CONTROL

17

CS

 

 

REGISTER

 

16

CCLK

D-ATT,

INTERFACE

15

CDTI

 

S-MUTE

 

 

 

 

47

Page 46 Page 48
Image 47
Page 46 Page 48
Contents Outputs SpecificationsInputs General Where purchased Power requirementsSupplied accessories SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents Exploded Views Table of ContentsDisassembly DiagramsLeakage Section Service NotesSafety CHECK-OUT Flexible Circuit Board RepairingIOP JIG for Checking BD Board WaveformRecord Precedure Main Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset Bit Binary Retry Cause Display ModeHexadecimal Binary Bit When BinaryHigher Bits Lower Bits Hexa Details Section General Front Panel Section Section DisassemblyPT BOARD, VOL-SEL Board Main BoardBD Board Mechanism Deck Section MDM-7AExiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeDisplay Details Mark Group Selecting the Test ModeMENU/NO Operating the Continuous Playback ModeMID OUTFunctions of Other Buttons Test Mode DisplaysMode display Error rate displayInformation When Memory NG is DisplayedMeanings of Other Displays Automatic SELF-DIAGNOSIS FunctionCheck before replacement Section Electrical AdjustmentsParts Replacement and Adjustment YES Adjustment flowPrecautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B Checks Prior to Repairs Using the Continuously Recorded DiscTraverse Waveform Auto CheckOther Checks Traverse CheckSelf-Recording/playback Check Play Check MO Error Rate CheckCD Error Rate Check Focus Bias CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Iop NV Save Traverse AdjustmentYES Focus Bias AdjustmentMO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Circuit Boards Location Section DiagramsFor schematic diagrams For printed wiring boardsMDS-JE440 Block Diagrams BD SectionSclk Cclk Control Generator OSC Main SectionDisplay Board BD BoardMain 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 FunctionsMNT3 Sloc MNT0 FOKMNT1 Shck MNT2 XbusyAvdd MvciAsyo AsyiFS4 TfdrFfdr FrdrIC1 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
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