Sony MDS-JE770 specifications Main Section, IC360 2/2, IC1 2/2

Page 39

MDS-JE770

– MAIN SECTION –

BD SECTION A ADDT (Page 38)

 

 

DADT, BCK,

 

BD SECTION

B

LRCK

DADT

 

BCK

(Page 38)

 

 

 

 

LRCK

 

 

 

BD SECTION

D

SWDT, SCLK

SWDT

 

SCLK

(Page 38)

 

 

 

 

 

BD SECTION C 1024FS (Page 38)

 

 

A/D, D/A CONVERTER

 

 

 

 

 

 

 

 

IC500

 

 

 

 

 

 

 

SDTO

HIGH-PASS FILTER,

A/D

SUB-

AINL

3

LINE AMP

 

13

AINR

 

 

DIGITAL

CONVERTER

TRACKTION

2

IC310

 

 

 

ATTENUATOR

BLOCK

 

 

 

 

 

 

 

 

 

AUDIO

 

 

 

 

 

 

 

 

INTERFACE

 

 

AOUTL+

26

MIX AMP

LOW-PASS

 

 

CONTROLLER

 

 

AOUTL–

FILTER

 

 

DIGITAL

D/A

 

25

IC360 (1/2)

IC370 (1/2)

 

SDTI

 

 

14

ATTENUATOR,

CONVERTER

 

 

 

 

 

BICK

 

 

 

 

 

12

SOFT MUTE

BLOCK

 

AOUTR+

28

MIX AMP

LOW-PASS

 

 

 

 

 

LRCK

 

 

 

AOUTR–

FILTER

 

 

 

 

 

11

 

 

 

27

IC360 (2/2)

 

 

 

IC370 (2/2)

 

 

 

 

 

 

 

15

CDTI

 

 

CLOCK

XTI

9

 

 

CONTROL

 

GENERATOR,

OSC

 

CCLK

 

 

 

16

REGISTER

 

CLOCK DIVIDER

 

 

IC550

 

CS

 

 

 

 

17

INTERFACE

 

 

 

 

X550

 

PD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

 

 

 

 

45.1584MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REMOTE CONTROL

 

 

 

 

 

 

 

 

RECEIVER

IC740

J300

L

ANALOG IN

R

 

 

L

 

 

 

 

ANALOG OUT

 

 

 

 

R

 

 

 

 

RV790

 

 

 

 

PHONE

 

 

 

 

LEVEL

 

 

MUTING

 

 

 

 

Q181, 281

 

 

 

J790

 

 

 

 

 

 

–1

 

PHONES

MUTING

 

HEADPHONE

 

 

 

AMP

 

 

CONTROL SWITCH

IC390

 

 

Q380

 

 

 

 

 

–2

 

 

 

 

MUTING

 

 

 

 

Q190,290

 

 

D382

D381

 

A1 I/O

J851

 

 

 

CONTROL

 

 

 

Q851

 

 

 

A1II

 

 

 

D851

 

 

 

 

 

 

 

 

EXT ON

 

 

 

 

IIC CLK

•SIGNAL PATH

: PLAY (ANALOG OUT) : REC (ANALOG IN)

X15

10MHz

15

XIN

13

XOUT

40

 

 

ADA,LATCH

 

 

FLDT

FLCK

FLCS

1 2 84

39

24

3

 

ADA,RESET

A1 OUT

A1 IN

 

 

 

SYSTEM CONTROLLER

 

 

 

IC1 (2/2)

 

 

 

JOG0

JOG1

 

 

87

88

KEY0 – KEY3

97,95-93

4 SIRCS

TIMER

92

 

38

3

24

81

 

 

 

 

 

 

MUTE

A1-IN

A1-OUT

STB

KB DATA

22

BUFFER

IIC DATA

 

 

Q22,822

 

 

 

IIC DATA

30

 

 

 

 

5

6

 

 

 

 

 

 

 

BUFFER

 

 

 

 

 

KB CLK

21

GND

 

 

 

 

 

 

Q21,821

3

4

 

 

 

 

 

IIC CLK

29

 

 

 

 

 

 

 

 

P DOWN

S.RST

 

 

 

CLK-CTL

34

Q34

1

2

 

 

 

IIC BUSY

23

 

 

 

 

 

KEYBOARD

 

 

 

 

 

IIC POWER

28

 

 

 

 

 

OFF SWITCH

GND

 

 

 

 

 

 

 

19 12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V

J780

PC LINK

(KEY BOARD)

 

 

 

70 69 68

 

 

 

C766, R766

 

DA

CP CS

 

 

 

OSCI

 

 

 

 

 

65

 

 

 

 

 

OSC

 

 

FL/LED DRIVER

 

 

 

 

 

IC760

 

 

66

OSCO

 

 

 

 

 

P1 P2

P4

SEG01 – SEG35

AD1 – AD4

COM01 – COM22

 

 

72 73

75

3 – 37

79, 80, 2,1

39 – 60

D726

LED DRIVE

 

 

 

 

 

STANDBY

 

 

 

 

 

Q726

 

 

 

 

 

 

 

 

 

– S35

– S39

– G22

 

 

 

 

1

3

 

 

 

A

 

B

 

 

 

ROTARY

 

 

 

ENCODER

 

RESET

67

 

 

COM23

COM24

VD1SP1

GND

 

SW

5

 

4

 

 

 

61

62

38

 

S713

 

 

 

lAMS L

 

 

 

PUSH ENTER

FL DRIVE

 

-32V

 

 

 

 

 

 

 

S746

TIMER

REC

OFF

PLAY

 

 

 

 

 

XBUSY

 

6

9

 

 

 

 

RECT

 

 

 

 

D431,432

 

 

 

 

 

 

IC600(2/2)

+3.3V

 

 

+3.3V

RECT

 

 

REGULATOR

BUFFER

 

 

D401-404

(SYS)

 

 

IC401

 

 

D409

D406

 

 

 

 

 

 

 

+3.3V

 

 

 

 

 

 

(BACKUP)

D408

CN406

 

 

 

 

 

 

 

3 RESET

VCC 5

 

 

 

 

AC

 

 

 

 

(TO FL750)

 

 

 

 

 

 

IC406

BT406

LITHIUM

RESET

BATTERY

 

TR950

POWER

TRANSFORMER

TR900

POWER

TRANSFORMER

D733

LED DRIVE

S01

S36

G01

GROUP

Q733

 

 

 

 

 

 

 

Q761, 762

G23

G24

–32V

(FL DRIVER (IC760) B–)

–32V

REGULATOR

IC421

RECT D421

FLUORESCENT INDICATOR TUBE

S701 – 706, 711, 712,

S714-716, 721 – 724,

FL750

S726,S731-733

 

 

 

D775

LED DRIVE

MD LP

Q755

 

AUDIO

CIRCUIT

UNREG +12V

UNREG –12V

RECT

D471, 472

RECT

D466–467

RELAY

DRIVE

Q911

AC IN

S990

IC411

UNREG +12V

LOADING MOTOR

+5V

DRIVER (IC440) B+

REGULATOR

 

+5V

3

OUT

VIN

1

RECT

D411,412

 

 

 

 

 

VT +3.3V

 

 

+3.3V

 

 

 

REGULATOR

 

(TO IC500)

 

 

 

 

 

Q490

 

 

 

 

 

VOLTAGE

SELECTOR

110-120V

220-230V

39 39

Page 38 Page 40
Image 39
Page 38 Page 40
Contents MDM-7A Specifications873-890-11 MDS-S50SELF-DIAGNOSIS Function Genera l Power requirementsSupplied accessories MDS-JE770Items of Error History Mode Items and Contents Exploded Views Table of ContentsDisassembly DiagramsFlexible Circuit Board Repairing MDS-JE770 Section Service NotesIOP JIG for Checking BD Board WaveformRecord Precedure Optical PICK-UP Block Type Discrimination KSN-260EChecks Prior to Parts Replacement and Adjustments Forced ResetMain Board Component Side Bit Binary Retry Cause Display ModeBit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary Button Descriptions MDS-JE770 Section GeneralDisassembly Flow MDS-JE770 Section DisassemblyFront Panel Section Two screws Main BoardOver Light Head HR901, BD Board Mechanism Deck Section MDM-7ALoading Motor Assy M103 Holder AssyOptical PICK-UP Sled Motor Assy M102, SliderSpindle Moter Assy M101 Exiting the Test Mode MDS-JE770 Section Test ModePrecautions for USE of Test Mode Setting the Test ModeSelecting the Test Mode MENU/NO Operating the Continuous Playback ModeFunctions of Other Buttons Test Mode DisplaysMode display Error rate displayInformation When Memory NG is DisplayedMeanings of Other Displays Automatic SELF-DIAGNOSIS FunctionMDS-JE770 Section Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement Auto Gain Control Output Level Adjustment flowTemp Adjust Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B/260E Precautions for AdjustmentsChecks 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 CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Iop NV Save Traverse AdjustmentFocus Bias Adjustment MO 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 MDS-JE770 Section DiagramsMain Board For schematic diagramsFor printed wiring boards BD BoardBlock Diagrams BD Section IC171IC190 Main Section IC360 2/2IC1 2/2 Write Head SemiconductorOVERSemiconductor Optical Pick UP BlockBoard Board Main Main Schematic Diagram Main /2 See page 51 for IC Block Diagrams IC1 Model is printed on diagramHP Board Display BoardKB Board KEY-SW BoardLED Drive Schematic Diagram Display SectionCN921 C924 LF900 C910 RY910C951 C952 D910Main Schematic Diagram Power SectionIC101 CXA2523AR BD Board IC Block DiagramsIC500 AK4524 Main Board IC PIN Function Description IC101 CXA2523AR RF Amplifier BD BoardPin No Pin Name Description Pin No Pin Name Desription Avdd MvciAsyo AsyiFS4 TfdrFfdr FrdrFlck IIC PowerADA.RESET FldtProtect ADA. LatchEPN DINT1/H ClipREC Flcs TimerSTB Beep SWOSC0 ResetVDISP1 VFL1Chassis Section Section Exploded ViewsNot supplied Supplied with J790 FL750 With RV790 FL750 1-517-987-11 Indicator TUBE, FluorescentMechanism MDM-7A Motor ASSY, Loading HEAD, Over LightMotor ASSY, Spindle Motor ASSY, SledMDS-JE770 Section Electrical Parts List Short SwitchMetal Chip Jumper ResistorMDS-JE770 Display HP KB KEY-SW KEY-SW Main MDS-JE770 Main 2SD2144S-TP-UVW Resistor VOL-SEL MDS-JE770 Main PTMemo MDS-JE770 Revision History
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