Sony MDS-NT1 service manual 4AA 3AA

Page 40

MDS-NT1

6-5. SCHEMATIC DIAGRAM – BD Board (1/2) – • See page 38 for Waveforms. See page 48 for IC Block Diagrams.

(1/2)

TP701

CN101

21P

 

C701

TP616

0.1

 

VEE

E

TP615

E

D

TP614

D

 

R707

4.7k

Q704

2SA1576A-T

-1 -2

Q702

FMW1-T-148

R701

Q701-704

R702

HF MODULE

1k

1k

 

SWITCH

 

 

 

 

Q701

Q703

 

UN5214-TX

UN5214-TX

 

C704

0.047

 

L701

 

R703

R705

IC701

1k

10k

TLV2361CDBV

 

 

R710 R713

47k 10k

C702 R706

4.72.2k

 

 

R709

 

 

2.2k

R704

C703

R708

47k

0.1

4.7k

 

R712 100

COMPARATOR

R711

10k

A1

A2

A3

A4

A5

A6

L202

C299

0.1

A7

 

TP613

C

 

 

C

F

 

 

TP612

 

 

F

I

 

 

TP611

 

 

I

 

 

 

VC

A

 

 

TP609

 

 

A

B

 

 

TP608

 

 

B

J

 

 

TP607

 

 

J

 

 

 

TP606

C101

4.7

 

VCC

 

 

 

L601

 

 

 

LD-GND

 

 

 

L602

 

 

 

ILCC

 

 

 

L603

 

 

 

MOD

 

 

 

VR

 

R103

 

TP605

 

4.7k

 

PD

 

 

FLEXIBLE

K

AA1

 

TP604

 

BOARD

FCS+

AA2

 

TP603

 

 

FCS-

AA3

 

 

TP602

 

 

TRK+

 

 

C105

10

6.3V

L201

C106

I

J

A

B

C

C109

TP207

C111

C114

1BB

2BB

2200p

0.047

 

0.01

TP205

 

TP209

C112

TP213

 

 

0.022

TP215

 

OFR OM

FIRO M

OFR

OPN

OPO

ADDC

COMPP

COMPO

AGCI

CGFA R

FR

EAKP

I

 

 

 

 

 

 

 

 

 

 

BOTM

J

 

 

 

 

 

 

 

 

 

 

ABCD

VC

 

 

 

 

 

 

 

 

 

 

FE

A

 

 

 

 

 

 

 

 

 

 

AUX

B

 

 

 

 

 

 

 

 

 

 

ADFG

C

 

 

 

 

RF AMP,

 

 

 

 

ADAGC

TP163

BB3

TP219

BB4

 

BB5

TP218

BB6

TP217

BB9

C119

1

RDR S

RDF S

4AA

3AA

RFD T

RDR T

 

 

 

 

 

 

 

 

 

L401

 

 

 

 

 

C410

 

A8

 

C490

 

 

 

C411

 

 

 

 

 

100

L402

 

0.1

 

 

 

4.7

 

 

 

 

6.3V

 

 

 

 

 

 

A9

 

 

 

 

 

 

 

 

 

 

 

 

C407

 

 

 

2DD

1DD

 

 

0.1

 

 

C406

 

 

 

 

 

 

 

 

 

 

 

 

0.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A10

TP601

AA4

TRK-

 

10D

6.3V

E

F

TP204

C107 0.022

R110

470k

TP203

R105

3.3M

R108

2.2k

C116

D

 

 

 

FOCUS/TRACKING

 

 

 

ADIN

 

 

 

 

ERROR AMP

 

 

 

E

 

 

 

 

 

 

 

ADFM

 

 

 

 

IC101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

CXA2523AR

 

 

 

SE

PD

 

 

 

 

 

 

 

 

 

 

CSLED

APC

 

 

 

 

 

 

 

 

 

 

TE

APCREF

IPM TE

RPM ET

 

 

 

XSTBY

FOCNT

 

EQADJ

3TADJ

WBLADJ

DN G

SWDT

SCLK

XLAT

VREF

CCV

 

C118

 

 

0.0047

 

TP216

BB7

C120

0.068

 

 

 

BB8

 

R120

 

 

33k

 

 

R119

 

 

22k

 

TP214

 

L203

 

 

FOCUS/TRACKING

GND CAPA- VG CAPA+ IN4R

IN2R IN4F IN2F

VM4 VM2 OUT4F

OUT2F PGND4 PGND2 OUT4R OUT2R VM34

VM12 OUT3R OUT1R PGND3 PGND1 OUT3F OUT1F VM3 VM1 IN3F IN1F IN3R

 

 

COIL DRIVE,

A11

SPINDLE/SLED

IN1R PSB VDD

MOTOR DRIVE

 

IC401

 

BH6519FS

 

 

 

 

 

 

 

 

C405

 

 

 

 

 

 

 

0.1

 

 

 

 

 

C409

R405

DFP

DRP

3D

 

 

 

0.1

0

4D

 

(Page 41)

 

 

R

Q201

4.7

S

S

D

D

2A

1A

RD

D

C103

0.01

UN5113

-TX

LASER ON

SWITCH R104 470k

C117

0.01

TP11

 

 

 

 

 

C110

 

 

 

TP212

 

0.001

 

 

 

 

 

 

 

 

 

 

FRT D

FRK C

FRL X

R112

C113

 

100k

0.0068

R111

D101

 

 

 

 

10k

1SS355TE-1

 

 

 

 

R114

R116

C115

R117

4.7k

3.3k

0.1

100k

R113

R115

 

 

10k

10k

 

 

 

 

 

R118

 

 

 

2.2k

A

A

FF

FR

 

 

 

A12

C122

0.033

A13

C121

0.01

 

I+3V

R102

R106

R107

C104

 

C108

 

 

 

1

100k

680

0.1

 

0.1

 

 

 

 

 

 

 

 

IOP

 

 

 

Q203

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

R101

 

 

UN5113

 

 

 

 

TEST PIN

BB8

2.2

 

 

-TX

 

 

 

 

(FOR ADJUSTMENT)

TE

 

 

 

 

 

 

 

 

BB5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R109

 

 

 

FE

Q202

 

 

 

 

 

 

 

 

 

 

 

4.7k

 

 

 

 

 

 

 

 

 

 

 

VC

2SB798

 

 

 

 

 

 

 

 

BB1

-T1D

 

 

 

 

 

 

 

 

 

 

 

Q202,203

 

 

 

 

 

RF

 

 

 

 

 

 

 

 

 

 

 

 

AUTOMATIC

 

 

 

 

CN105

 

 

 

POWER CONTROL

 

 

OVER WRITE

 

7P

 

 

 

 

 

 

 

HEAD DRIVE

 

TP404

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC181

 

DD1

 

 

 

 

 

 

 

M102

 

 

 

 

 

 

 

MC74ACT08D

DD2

 

 

 

 

 

 

 

TR2

(SLED)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q181

 

 

 

 

 

 

 

Q181,182

 

 

 

 

 

 

 

2SJ518ATZR

 

 

 

TP403

 

 

 

OVER WRITE

 

 

 

 

TP402

 

 

 

HEAD DRIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

DD3

TP504 TP503

 

TP502 TP501

 

D501

 

 

M101

 

 

 

 

 

 

F1J6TP

 

 

DD4

 

BG1

 

 

 

 

 

 

(SPINDLE)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R501

C550

D502

 

 

 

TP401

 

 

 

0

22

 

 

 

 

 

 

 

10V

F1J6TP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R551

 

 

 

 

 

 

 

 

 

47k

 

 

 

CN104

 

 

 

 

 

Q182

 

 

 

 

 

 

 

 

2SK2788VYTR

 

 

HR901

2P

 

 

 

C501

 

R552

 

 

 

 

 

 

 

C504

C502

 

 

 

 

470p

 

OVER WRITE

 

 

 

 

 

47k

 

 

 

 

630V

 

10

0.1

 

 

 

 

 

 

HEAD

A14

TP143

A15

A16

47k

1.0

 

R553

C503

C505

 

 

100

6.3V

L550

A17

L502L501

A18

A19

40 40

Image 40
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 InformationParts Replacement and Adjustment MDS-NT1 Section Electrical AdjustmentsCheck before replacement 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 RepairsOther Checks Auto CheckTraverse Check 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 102 101 103 Case B Section104 105 302 306 320 301 305 313 314 315 316 311 310 319 304 308317 303 307 359 358 357 360 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