Sony MDS-NT1 service manual Operating the Continuous Playback Mode

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MDS-NT1

4-5-1. Operating the Continuous Playback Mode

1. Entering the continuous playback mode

(1)Set the disc in the unit. (Whichever recordable discs or discs for playback only are available)

(2)Click the [JOG UP] or [JOG DOWN] and display “CPLAY2MODE” (C36).

(3)Click the [ENTER/YES] to change the display to “CPLAY2MID”.

(4)When access completes, the display changes to “C = AD = ”.

Note: The numbers “ ” displayed show you error rates and ADER.

2. Changing the parts to be played back

(1)Click the [ENTER/YES] during continuous playback to change the display as below. “CREC 2MID” t “CREC 2OUT” t “CREC 2IN”

When clicked another time, the parts to be played back can be moved.

(2)When access completes, the display changes to “C = AD = ”.

Note: The numbers “ ” displayed show you error rates and ADER.

3. Ending the continuous playback mode

(1)Click the [MENU/NO]. The display will change to “CPLAY2MODE” (C36).

(2)Click the [EJECT] and take out the disc.

Note: The playback start addresses for IN, MID, and OUT are as follows.

IN 40h cluster

MID 300h cluster

OUT 700h cluster

4-5-2. Operating the Continuous Recording Mode (Use only when performing self-recording/palyback check)

1. Entering the continuous recording mode

(1)Set a recordable disc in the unit.

(2)Click the [JOG UP] or [JOG DOWN] and display “CREC 2MODE” (C37).

(3)Click the [ENTER/YES] to change the display to “CREC 2MID”.

(4)When access completes, the display changes to “CREC 2 ( ”.

Note: The numbers “ ” displayed shows you the recording position addresses.

2. Changing the parts to be recorded

(1)When the [ENTER/YES] is clicked during continuous recording, the display changes as below. “CREC 2MID” t “CREC 2OUT” t “CREC 2IN”

When clicked another time, the parts to be recorded can be changed.

(2)When access completes, the display changes to “CREC 2 ( ”.

Note: The numbers “ ” displayed shows you the recording position addresses.

3. Ending the continuous recording mode

(1)Click the [MENU/NO]. The display changes to “CREC 2MODE” (C37).

(2)Click the [EJECT] and take out the disc.

Note 1: The recording start addresses for IN, MID, and OUT are as follows.

IN

40h cluster

MID

300h cluster

OUT 700h cluster

Note 2: The [MENU/NO] can be used to stop recording anytime.

Note 3: Do not perform continuous recording for long periods of time above 5 minutes.

Note 4: During continuous recording, be careful not to apply vibration.

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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 ErrorDiagrams Table of ContentsDisassembly 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 unsatisfactoryMicrocomputer Version Display Service ModeSoftware Reset 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 Setting the Test Mode MDS-NT1 Section Test ModePrecautions for USE of 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 YESHOW to Identify Optical PICK-UP KMS- 262A/KMS-262E Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-262A/262E KMS-262A KMS-262EPrecautions for Adjustments Laser power meterLaser Power Check Using the Continuously Recorded DiscTemperature Compensation Offset Check Checks Prior to RepairsOther Checks Auto CheckTraverse Check Focus Bias Check Play Check MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjustment Recording and Displaying the IopTraverse Adjustment Iop NV SaveFocus Bias Adjustment ENTER/YES buttonCD Auto Gain Control Output Level Adjustment Error Rate CheckAuto 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 303 307 364 359358 357 360 356 355 354 362 359 352MDS-NT1 Section Electrical Parts List ResistorsDiode Switch MDS-NT1 MainFB1 MDS-NT1 Main Panel MiscellaneousMotor ASSY, Loading Revision History