Sony MDS-NT1 358 357 360 356, 364, 355 354 362 359 352, 367, 362 368, 353 352 365, 353 351

Page 63

MDS-NT1

7-5. MD MECHANISM DECK SECTION-2 (MDM-7S2B)

	359
		HR901
	A
	358
357		360
	356	#11
	356	364
		364
355		A
355
354		362
354	359
	359
352
S102

367

#11

362

368

not supplied

353

352

365

M101

366

361

353

M102 363

not supplied

353

M103

353

351

The components identified by mark 0or dotted line with mark 0are critical for safety. Replace only with part number specified.

Ref. No.

Part No.

Description

Remark

351A-4727-982-A BD BOARD, COMPLETE

3524-231-319-01 SCREW (2X6) CZN, +B (P) TRI

3533-372-761-01 SCREW (M1.7), TAPPING

3544-226-993-01 RACK

3554-227-014-01 SPRING (RACK), COMPRESSION

3564-226-992-01 BASE, SL

3571-678-514-11 FLEXIBLE BOARD

0358 A-4672-976-A OPTICAL PICK-UP KMS-262

359 4-988-560-01 SCREW (+P 1.7X6)

360 4-996-265-01 SHAFT, MAIN

361 4-226-989-01 CHASSIS

362 4-211-036-01 SCREW (1.7X2.5), +PWH

363 4-226-990-04 BASE (BU-A)

Ref. No.

Part No.

Description

Remark

3644-230-716-01 SPRING (SPDL), TORSION

3654-227-004-01 GEAR (LC)

3664-227-005-01 GEAR (LD)

3674-227-008-01 GEAR (SC)

3684-227-009-01 GEAR (SD)

HR901 1-500-670-22 HEAD, OVER WRITE

M101 A-4735-757-A MOTOR ASSY, SPINDLE

M102 A-4672-900-A MOTOR ASSY, SLED

M103 A-4672-975-A MOTOR ASSY, LOADING

S102 1-771-957-11 SWITCH, PUSH (2 KEY)

(REFLECT RATE DETECT, PROTECT DETECT)

#11 7-685-204-19 SCREW +KTP 2X6 TYPE2 NON-SLIT

63

Image 63

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 CodesSELF-DIAGNOSIS Function Table of ContentsDisassembly DiagramsFlexible 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 MDSystem Requirements Service ModeSoftware Reset Microcomputer Version DisplayFront 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 Releasing the Test Mode MDS-NT1 Section Test ModePrecautions for USE of Test Mode Setting 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 flowKMS-262A KMS-262E Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-262A/262E HOW to Identify Optical PICK-UP KMS- 262A/KMS-262ELaser power meter Precautions for AdjustmentsChecks Prior to Repairs Using the Continuously Recorded DiscTemperature Compensation Offset Check Laser Power CheckAuto Check Other ChecksTraverse Check Self-Recording/playback Check Play Check MO Error Rate CheckCD Error Rate Check Focus Bias CheckRecording and Displaying the Iop Initial Setting of Adjustment ValueTemperature Compensation Offset Adjustment Laser Power AdjustmentIop NV Save Traverse AdjustmentENTER/YES button Focus Bias AdjustmentMO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD 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 303 307 355 354 362 359 352 359358 357 360 356 364Resistors MDS-NT1 Section Electrical Parts ListDiode MDS-NT1 Main SwitchFB1 Miscellaneous MDS-NT1 Main PanelMotor ASSY, Loading Revision History