Sony MDS-NT1 service manual 1AA AA2 AA3

Page 44

MDS-NT1

6-9. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 38 for Waveforms. • See page 48 for IC Block Diagrams.

(1/2)

 

 

 

 

 

 

 

 

 

 

 

 

IC440

 

 

 

 

VCC1

OUT2

 

M54641L

 

OUT1

VCC2

 

IN1

GND

VZ

2N I

LOADING

MOTOR DRIVER

LOAD-OUT

LOAD-IN

TP1

R10

FB1

 

0

0

TP2

 

FB2

 

 

CN4

4P

USB

NC

(Page 41)

(Page 47)

NC

CN105

8P

GND

RESET

RESET

CNVSS

CNVSS

RXD1

RXD1

CLK1

CLK1

+3.5V

RTS1

RTS1

TXD1

TXD1

 

CN101

 

27P

 

MOD

 

MOD

 

IOP

 

IOP

 

LDON

 

LDON

 

LIMIT-IN

 

LIMIT-IN

 

XINIT

 

XINT

 

WRPWR

 

WRPWR

 

DQSY

 

DQSY

 

REC-P

 

REC-SW

RB301

SQSY

10k

SQSY

X4

DIG-RST

 

DIG-RST

 

SENS

 

SENS

 

PLAY-P

 

PLAY-SW

 

SRDT

 

SRDT

XLATCH

XLATCH

XLATCH

SCL

SCLK

SCLK

OUT-SW

OUT-SW

OUT-SW

XBUSY

SWDT

SWDT

SHCK

XBUSY

XBUSY

EEP-WP

SHCK

SHCK

SDA

EEP-WP

EEP-WP

REFLECT

SDA

SDA

PROTECT

SCL

SCL

 

REFLECT

 

REFRECT SW

 

PROTECT

C318

PROTECT SW

0.1

 

D-GND

LOAD-LOW

LD-OUT

LOAD-OUT

LD-IN

LOAD-IN

 

CN104

 

7P

 

SYS+3.3V

 

PANEL.GND

 

LED1

 

LED1

 

LED2

 

LED2

 

LED3

 

LED3

 

KEY1

 

KEY1

UINT

KEY0

UCS

KEY0

 

URESET

CN103

 

14P

 

SYS+3.3V

 

DISP.GND

 

JOG1

 

JOG1

 

JOG0

 

JOG0

 

DIG-RST

 

DIG-RST

 

5V

 

RMC

 

RMC

 

KEY2

 

KEY2

 

FLCS

 

FLCS

 

KEY1

 

KEY1

 

FLDT

 

FLDT

 

KEY0

 

KEY0

 

FLCK

 

FLCK

 

LED4

 

LED

 

RB300

10k

X4

R306

0

TP300

TP301

TP302

TP303

 

 

R441

R442

 

 

 

22k

15k

LOAD-LOW

C441

Q401

C442

R443

Q440

UN5211-TX

0.1

2SA1576-T106-QR

0.1

47k

 

C304

100p

P-PLAY

SENS

RST-DIG

P-REC

RPWRW

IN-IT LIM

 

LDON

MOD

RST-DIG

 

 

LATCH0

RESET.ADA

 

SCLK

CLK1

SCLK

RTS1

1RXD

SRDT

DTSW

DTSW

TXD1

 

 

 

 

 

 

 

 

 

 

 

 

R314

R302

 

 

 

R304

 

 

 

 

R303

 

TP350

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

0

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP351

PLAY-SW

SENSE

 

RESETD.

SW-REC

WRPWR

INLIMIT-

EC

LDON

MOD

NC

NC

EPM

LATCH_ADA

RESET_ADA

MUTE

NC

NC

NC

RTS1

SCLK

SRDT

SWDT

DATAI2C_

CLK_I2C

NC

XLATCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

SCL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

OUT-SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XINT

XBUSY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

SHOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

EEP-WP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

SDA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

REFLECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SQSY

PROTECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P.DOWN

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DQSY

EEPNET-WP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NMI

VSS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC

LOAD-LO

 

 

 

 

 

 

 

 

 

SYSTEM CONTROLLER

 

 

 

 

 

 

 

 

 

XIN

LOAD-OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSS

 

 

 

 

 

 

 

 

 

 

 

IC301

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOAD-IN

 

 

 

 

 

 

 

 

 

 

M30835FJGP-01

 

 

 

 

 

 

 

 

 

XOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S.RESET

TEST1

 

 

 

PLLSWNETMD_

VBUS_NETMD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NETMD_SI

TEST2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

TEST3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CNVSS

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BYTE

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NETMD_CLK

NETMD_INT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NETMD_SO

NETMD_CS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RMC

NETMD_RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

NC

NC

LED4

LED3

LED2

FLCS

LED1

JOG0

JOG1

PO I

SEL1

SEL0

NC

NC

KEY2

KEY1

AVSS

KEY0

VREF

AVCC

NC

FLDT

FLCK

 

 

 

 

 

 

 

 

 

 

1000p

1000p

1000p

10k

 

 

 

1000p

1000p

 

1000p

1.0

1.0

 

 

 

 

 

 

 

 

 

 

 

 

 

C311

C312

C310

R330

 

 

 

C314

C315

 

C313

C319

C320

 

 

C420

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.33

UPLLSW

3.UVBUS3

 

 

LED4

LED3

LED2

FLCS

LED1

JOG0

JOG1

IOP

 

 

 

 

KEY2

KEY1

 

KEY0

 

 

 

FLDT

FLCK

 

 

 

 

 

 

 

 

 

10k

10k

 

 

 

10k

 

10k

10k

 

 

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R320

R321

 

 

 

R329

 

R323

R324

 

 

R325

 

 

 

 

 

Q401,440

REFERENCE

VOLTAGE SWITCH

XINIT

SQSY

DQSY

X301

10MHz

RESET

C309 0.1

C321

CNVSS

R332 10k

UCLK

USI

USO

RMC

RESET SIGNAL

GENERATOR

RESET

IC420

M62016FP-E1

TP1642

RESET INT

CD GND

VCC NC

NCNC

C306 220p

C920

R3500

10k

UVBUS3.3

C307

220p

R351

10k

C900

22p

R308

C903

10k

 

0.1

C308

C904

1000p

0.1

UCLK

USI

USO

C316

0.1R901

UCS 0

UINT

URESET

R902

0

R307

C905

10k

0.1

R915

10k

C906

0.1

R301

100k

UPLLSW

C907

0.1

C453

0.1

C301

10

16VL451

0

C421

0.1

AA2

LF1

0

AA1

TP3

 

C1

 

FB3

TP4

0

0.1

 

 

 

AA3

FB4 0

 

 

1AA

AA2

1AA

 

 

AA3

 

 

 

R907

R906

R905

 

 

R904

D901

 

 

 

 

22k

 

 

1.5k

27

27

 

 

1SS355TE-17

 

 

 

 

 

C918

C917

C916

C915

C922

C913

R913

R903

 

0.1

 

22p

0.1

0.1

0.1

0.1

10k

47k

 

 

 

X550

12MHz

 

10k

 

R911

NET MD SECURITY,

1.0

DIGITAL SIGNAL PROCESSOR,

C912

USB INTERFACE

IC901

 

CXD1873R

 

 

1.0

 

C911

 

R908

 

R951

R952

C910

 

 

0

0

 

10k

 

0.1

 

 

 

 

 

 

 

R950

 

 

 

 

 

0

 

 

L452

DIN1

LRCKI

XBCKI

DADTI

 

0

 

 

 

A1

A2

A3

A4

A5

A6

A7

A8

A9

(Page 45)

R552

220L552

A10

A11

A12

CN102

23P

M+5V

M+5V

MGND

DIN1

DIN1

MGND

DIN0

HGND

H+5V

DOUT

REG +5V

DADTI

DADTI

REG GND

LRCKI

LRCKI

REG GND

XBCKI

XBCKI

(Page 41)

D-GND

MCLK

MCKGND

BCK

BCK

REG GND

DADT

DADT

LRCK

LRCK

ADDT

44 44

Page 43 Page 45
Image 44
Page 43 Page 45
Contents Specifications MDS-NT1Playback Recording Cause/Remedy Indicator Green Red MDS-NT1 SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents MDS-NT1Table of Error Codes Error Code Details of ErrorTable of Contents DisassemblyDiagrams SELF-DIAGNOSIS FunctionFlexible Circuit Board Repairing MDS-NT1 Section Servicing Notes BD Board Conductor SideJIG for Checking BD Board Waveform Record Procedure Checks Prior to Parts Replacement and Adjustments in MD Criteria for Determination Measure if unsatisfactoryService Mode Software ResetMicrocomputer Version Display System RequirementsMDS-NT1 Section General Front ViewMDS-NT1 Section Disassembly Disassembly FlowCase Upper Main Board MD Mechanism Deck MDM-7S2BFront Panel Section BD BOARD, Over Write Head HR901Holder Assy Loading Motor Assy M103Sled Motor Assy M102 Optical PICK-UP KMS-262ESpindle Motor Assy M101 MDS-NT1 Section Test Mode Precautions for USE of Test ModeSetting the Test Mode Releasing the Test ModeSelecting the Test Mode CheckOperating the Continuous Playback Mode Automatic SELF-DIAGNOSIS Function InformationCheck before replacement MDS-NT1 Section Electrical AdjustmentsParts Replacement and Adjustment Adjustment flow YESPrecautions for Checking Laser Diode Emission Precautions for USE of Optical PICK- UP KMS-262A/262EHOW to Identify Optical PICK-UP KMS- 262A/KMS-262E KMS-262A KMS-262EPrecautions for Adjustments Laser power meterUsing the Continuously Recorded Disc Temperature Compensation Offset CheckLaser Power Check Checks Prior to RepairsTraverse Check Auto CheckOther Checks Play Check MO Error Rate Check CD Error Rate CheckFocus Bias Check Self-Recording/playback CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjustmentLaser Power Adjustment Recording and Displaying the IopTraverse Adjustment Iop NV SaveFocus Bias Adjustment ENTER/YES buttonError Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjustment and Checking Loacation MDS-NT1 Section Diagrams Block Diagram Servo SectionBlock Diagram Main Section 36 aWaveforms BD Board 22.7 nsPrinted Wiring Board BD Board Semiconductor Location4AA 3AA Schematic Diagram BD Board 2/2 See page 38 for Waveforms B3B 2BBPrinted Wiring Board Main Board Component Side IC451Printed Wiring Board Main Board Conductor Side Main Board1AA AA2 AA3 GND Printed Wiring Board Panel Board Panel Board Conductor SideSchematic Diagram Panel Board IC Block Diagrams BD Board CXA2523ARIC401 BH6519FS-E2 Main BoardIC440 M54641L BD Board IC101 CXA2523AR RF AMP, FOCUS/TRACKING Error AMP IC PIN Function DescriptionMNT2 Xbusy Xcas APC Main Board IC301 M30835FJGP-01 System Controller PLAY-SW Pin No Extal Section MDS-NT1 Exploded Views Case Section56 4-951-620-01 Screw 2.6X8, +BVTP 104 105 Case B Section102 101 103 317 303 307 311 310 319 304 308302 306 320 301 305 313 314 315 316 359 358 357 360 356364 355 354 362 359 352MDS-NT1 Section Electrical Parts List ResistorsDiode Switch MDS-NT1 MainFB1 MDS-NT1 Main Panel MiscellaneousMotor ASSY, Loading Revision History
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