Main Board, MD Mechanism Deck MDM-7S2B | Sony MDS-NT1 manual

3-3. MAIN BOARD

1wire (flat type) (7 core)

(CN104)

3 screw (BVTP3 ⋅ 8)

4 MAIN board

MDS-NT1

1wire (flat type) (23 core) (CN102)

1 wire (flat type) (27 core) (CN101)

3screw

(BVTP3 ⋅ 8)

2 screw (BVTT3 ⋅ 8)

3-4. MD MECHANISM DECK (MDM-7S2B)

1 wire (flat type) (23 core) (CN102)

2four screws (BVTTWH M3)

1 wire (flat type) (27 core) (CN101)

3MD mechanism deck (MDM-7S2B)

15

Image 15

Sony MDS-NT1 service manual Main Board, MD Mechanism Deck MDM-7S2B

Contents

MDS-NT1 Specifications MDS-NT1 SELF-DIAGNOSIS Function Playback Recording Cause/Remedy Indicator Green Red MDS-NT1 Items of Error History Mode Items and Contents Error Code Details of Error Table of Error Codes SELF-DIAGNOSIS Function Table of ContentsDisassembly Diagrams Flexible Circuit Board Repairing BD Board Conductor Side MDS-NT1 Section Servicing Notes JIG for Checking BD Board Waveform Record Procedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and Adjustments in MD System Requirements Service ModeSoftware Reset Microcomputer Version Display Front View MDS-NT1 Section General Disassembly Flow MDS-NT1 Section Disassembly Case Upper MD Mechanism Deck MDM-7S2B Main Board BD BOARD, Over Write Head HR901 Front Panel Section Loading Motor Assy M103 Holder Assy Optical PICK-UP KMS-262E Sled Motor Assy M102 Spindle Motor Assy M101 Releasing the Test Mode MDS-NT1 Section Test ModePrecautions for USE of Test Mode Setting the Test Mode Check Selecting the Test Mode Operating the Continuous Playback Mode Information Automatic SELF-DIAGNOSIS Function MDS-NT1 Section Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement YES Adjustment flow KMS-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-262E Laser power meter Precautions for Adjustments Checks Prior to Repairs Using the Continuously Recorded DiscTemperature Compensation Offset Check Laser Power Check Auto Check Other ChecksTraverse Check Self-Recording/playback Check Play Check MO Error Rate CheckCD Error Rate Check Focus Bias Check Recording and Displaying the Iop Initial Setting of Adjustment ValueTemperature Compensation Offset Adjustment Laser Power Adjustment Iop NV Save Traverse Adjustment ENTER/YES button Focus Bias Adjustment MO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level Adjustment Adjustment and Checking Loacation Block Diagram Servo Section MDS-NT1 Section Diagrams 36 a Block Diagram Main Section 22.7 ns Waveforms BD Board Semiconductor Location Printed Wiring Board BD Board 4AA 3AA B3B 2BB Schematic Diagram BD Board 2/2 See page 38 for Waveforms IC451 Printed Wiring Board Main Board Component Side Main Board Printed Wiring Board Main Board Conductor Side 1AA AA2 AA3 GND Panel Board Conductor Side Printed Wiring Board Panel Board Schematic Diagram Panel Board CXA2523AR IC Block Diagrams BD Board Main Board IC401 BH6519FS-E2 IC440 M54641L IC PIN Function Description BD Board IC101 CXA2523AR RF AMP, FOCUS/TRACKING Error AMP MNT2 Xbusy Xcas APC Main Board IC301 M30835FJGP-01 System Controller PLAY-SW Pin No Extal Case Section Section MDS-NT1 Exploded Views 56 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 357 360 356 364 Resistors MDS-NT1 Section Electrical Parts List Diode MDS-NT1 Main Switch FB1 Miscellaneous MDS-NT1 Main Panel Motor ASSY, Loading Revision History