Sony MDS-NT1 service manual Gnd

Page 45

MDS-NT1

6-10. SCHEMATIC DIAGRAM – MAIN Board (2/2) – • See page 38 for Waveforms. • See page 48 for IC Block Diagrams.

(2/2)

(CHASSIS)

A1

A2

A3

A4

A5

A6

A7

A8

A9

(Page 44)

A10

A11

A12

EP550

R162

R164

C166

10k

10k

100p

C856

0.1

R166

C161

IC501(2/2)

10k

220p

NJM2115V(TE2)

C176

6

R140

R142

R176

22

L178

R178 C177

7

0

0

680

25V

330

220p

CN200

5

ANALOG

R278

8

OUT

D/A CONVERTER

C854

C852

R161

R163

330

0

0

10k

10k

C165

R165

L278

C277

IC505

C523

100p

10k

R170

220p

C507

10k

CXD9627

100

C456

C554

0.1

C451

10V

220

0

0.1

C851

10V

Q170

MCLK

DZFL

C524

0

BCK

R501

220

0.1

MIX AMP

C452

2SD1938(F)

-T(TX)

DZFR

0.1

BICK

DADT

R503 220

VDD

L503

C265

R265

Q170,270

SDTI

(CHASSIS)

100p

10k

IC501(1/2)

MUTING

LRCK

R500

220

NJM2115V(TE2)

VSS

3

LRCK

1

ADA.RESET

2

AOUTL+

R261

R263

PDN

10k

10k

RV301

100

4

R456

R270

LATCH

R506

Q270

20k/20k

C519

AOUTL-

4.7k

10k

CSN

C261

2SD1938(F)

PHONE

1000p

100

-T(TX)

SCLK

R505

220p

LEVEL

CCLK AOUTR+

R504

100

R266

-1

R551

SWDT

10k

CDTI

AOUTR-

R262

R264

C266

R240

R242

-2

R581

C517

C516

C515

10k

10k

220

100p

100p

100p

100p

0

0

C556

R455

R276

C276

C280

0.1

10k

680

22

1

25V

50V

C281

R280

C551

C555

L504

220

10V

L280

2.2

L551

R550

0.1

0.1

0

R450

C459

0.1

1M

100k

1

IC550

GND

C550

C282

VCC

100

TC7WHU04FU

220p

10V

BUFFER

BA05T

GND-C1

VINEC

VOUTC1+

XC6351A120MR

C101

VEE

LIN RIN

BIAS

MUTE

LOUT ROUT VCC

BH3541F-E2

R181

R281

1k

J180

+5V REGULATOR

-5V REGULATOR

HEADPHONE AMP

PHONES

IC451

IC503

IC450

1

1k

I

O

C182

G

220p

Q100

L550

UN5111-TX

C181

MUTING

220

R180

CONTROL

10V

Q451

L180

2.2

SWITCH

UN5211-TX

R420

C450

HEADPHONE

0

C432

C461

C462

C100

MUTING

220

C460

0.1

0.1

0.1

1

C180

10V

47

1

50V

10V

C458

220

10V

D301

DAP202UT106

THP400

T400

J400

V

R471

00 25 4D -BFP

2.2k

C401

R403

0.1

DC

IN

9V

4.7k

S

R470

VOLTAGE

DETECT

2.2k

C402

IC401

0.1

D470

XC61FN3012MR

MA8033-L-TX

VOUT VIN

(CHASSIS)

VSS

C404

+3.3V REGULATOR

0.1

IC402

IC400

BA033FP-E2

L400

MAX1626ESA

C408

C409

(CHASSIS)

O

I

L22∝ H

Q400

0.1

0.1

HAT1020R-E

+V

REF

G

R401

CN420

SWITCHING

0.047

CS

SHDN

2P

71-

SHORT

EXT

3 5

124D

ET553S

16V

SOCKET

C410

GND

OUT

15

D422

S1

S

R421

RB495D-T146

220

C416

C413

C412

C407

R404

C406

BT420

SWITCHING

6800

C415

C414

D402

10k

0.1

LITHIUM

220

1000

47

16V

0.1

0.1

SFPB-52V

REGULATOR

10V

10V

6.3V

BATTERY

45

45

Image 45

Contents MDS-NT1 SpecificationsMDS-NT1 SELF-DIAGNOSIS Function Playback Recording Cause/Remedy Indicator Green RedMDS-NT1 Items of Error History Mode Items and ContentsError Code Details of Error Table of Error CodesDisassembly Table of ContentsDiagrams SELF-DIAGNOSIS FunctionFlexible Circuit Board Repairing BD Board Conductor Side MDS-NT1 Section Servicing NotesJIG for Checking BD Board Waveform Record Procedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and Adjustments in MDSoftware Reset Service ModeMicrocomputer Version Display System RequirementsFront View MDS-NT1 Section GeneralDisassembly Flow MDS-NT1 Section DisassemblyCase Upper MD Mechanism Deck MDM-7S2B Main BoardBD BOARD, Over Write Head HR901 Front Panel SectionLoading Motor Assy M103 Holder AssyOptical PICK-UP KMS-262E Sled Motor Assy M102Spindle Motor Assy M101 Precautions for USE of Test Mode MDS-NT1 Section Test ModeSetting the Test Mode Releasing the Test ModeCheck Selecting the Test ModeOperating the Continuous Playback Mode Information Automatic SELF-DIAGNOSIS FunctionMDS-NT1 Section Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement YES Adjustment flowPrecautions for USE of Optical PICK- UP KMS-262A/262E Precautions for Checking Laser Diode EmissionHOW to Identify Optical PICK-UP KMS- 262A/KMS-262E KMS-262A KMS-262ELaser power meter Precautions for AdjustmentsTemperature Compensation Offset Check Using the Continuously Recorded DiscLaser Power Check Checks Prior to RepairsAuto Check Other ChecksTraverse Check CD Error Rate Check Play Check MO Error Rate CheckFocus Bias Check Self-Recording/playback CheckTemperature Compensation Offset Adjustment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IopIop NV Save Traverse AdjustmentENTER/YES button Focus Bias AdjustmentAuto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjustment and Checking Loacation Block Diagram Servo Section MDS-NT1 Section Diagrams36 a Block Diagram Main Section22.7 ns Waveforms BD BoardSemiconductor Location Printed Wiring Board BD Board4AA 3AA B3B 2BB Schematic Diagram BD Board 2/2 See page 38 for WaveformsIC451 Printed Wiring Board Main Board Component SideMain Board Printed Wiring Board Main Board Conductor Side1AA AA2 AA3 GND Panel Board Conductor Side Printed Wiring Board Panel BoardSchematic Diagram Panel Board CXA2523AR IC Block Diagrams BD BoardMain Board IC401 BH6519FS-E2IC440 M54641L IC PIN Function Description BD Board IC101 CXA2523AR RF AMP, FOCUS/TRACKING Error AMPMNT2 Xbusy Xcas APC Main Board IC301 M30835FJGP-01 System Controller PLAY-SW Pin No Extal Case Section Section MDS-NT1 Exploded Views56 4-951-620-01 Screw 2.6X8, +BVTP Case B Section 102 101 103104 105 311 310 319 304 308 302 306 320 301 305 313 314 315 316317 303 307 358 357 360 356 359364 355 354 362 359 352Resistors MDS-NT1 Section Electrical Parts ListDiode MDS-NT1 Main SwitchFB1 Miscellaneous MDS-NT1 Main PanelMotor ASSY, Loading Revision History