Sony MDS-JB920 Operating the Continuous Playback Mode, Mid, Non-Volatile Memory Mode EEP Mode

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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)Rotate the [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob and display “CPLAY MODE” (C30).

(3)Press the [YES] button to change the display to “CPLAY MID”.

(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)Press the [YES] button during continuous playback to change the display as below. “CPLAY MID” n“CPLAY OUT” n“CPLAY IN”

When pressed 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)Press the [MENU/NO] button. The display will change to “CPLAY MODE”.

(2)Press the [ÊÊÊÊÊEJECT]¤ button to remove the disc.

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

IN 40h cluster

MID 300h cluster

OUT 700h cluster

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)Rotate the [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob and display “CREC MODE”.

(3)Press the [YES] button to change the display to “CREC MID” (C31).

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

” and

REC

lights up.

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

2. Changing the parts to be recorded

(1)When the [YES] button is pressed during continuous recording, the display changes as below. “CPLAY MID” n“CPLAY OUT” n“CPLAY IN”

When pressed another time, the parts to be recorded can be changed. REC goes off.

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

” and

REC

lights up.

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

3. Ending the continuous recording mode

(1)Press the [MENU/NO] button. The display changes to “CREC MODE” and

(2)Press the [ÊÊÊÊEJECT]¤ button to remove the disc.

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

REC

goes off.

IN

40h cluster

MID

300h cluster

OUT 700h cluster

Note 2: The [MENU/NO] button 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.

5-3. Non-Volatile Memory Mode (EEP MODE)

This mode reads and writes the contents of the non-volatile memory.

It is not used in servicing. If set accidentally, press the [MENU/NO] button immediately to exit it.

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Contents MDM-5A SpecificationsMDS-JE520 SELF-DIAGNOSIS Function GeneralItems of Error History Mode Items and Contents Section Servicing Notes Table of ContentsDiagrams Varoitus Flexible Circuit Board RepairingVarning JIG for Checking BD Board Waveform IOPRecord Precedure REC/PLAY Checks Prior to Parts Replacement and AdjustmentsForced Reset Retry Cause Display Mode PrecedureHexadecimal nBinary Conversion Table Front view Rear view Section GeneralLocation of Controls Page Page Section Disassembly CaseFront Panel Seciton Main BoardMechanism Section MDM-5A Slider CAMBase Unit MBU-5A, BD Board SW BOARD, Loading Motor M103Section Test Mode Precautions for USE of Test ModeSetting the Test Mode Exiting the Test ModeSelecting the Test Mode Display Contents Mark GroupMID Operating the Continuous Playback ModeNon-Volatile Memory Mode EEP Mode Test Mode Displays Functions of Other ButtonsAuto gain display Not used in servicing Detrack check display Not used in servicingDisplay Contents When Lit When Off Meanings of Other DisplaysSection Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Checking Laser Diode Emissinon Precautions for USE of Optical PICK-UP KMS-260APrecautions for Adjustments Laser power meterTemperature Compensation Offset Check Laser Power CheckCheck Prior to Repairs Traverse CheckPlay Checking MO Error Rate Check CD Error Rate CheckFocus Bias Check Self-Recording/playback CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment Error Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points IC PIN Function Description Section DiagramsBD Board IC101 CXA2523AR RF AMP, FOCUS/TRACKING Error AMP Srdt SensXrst SqsyXras XWEMvci AsyoSrdr SfdrSprd SpfdMain Board IC100 CXD8607N A/D Converter Avddl VDD1TEST2 LvddMain Board IC800 M30610MCA-264FP System Controller MDS-JB920 Block Diagram Servo Section ∙ Signal PathREC Analog REC DigitalPlay Digital OUT Block Diagram Main Section∙ Signal Path Play Analog OUT Circuit Boards Location Printed Wiring Boards BD Section MDS-JB920 Schematic Diagram BD /2 See 53 for Waveforms. See page 70 and 71 for IC Block DiagramsWaveforms BD board Main board Disp board MDS-JB920 MDS-JB920 MDS-JB920 MDS-JB920 Other layers pattern Side a US, CND Schematic Diagram Panel Section See page 54 for Waveforms Schematic Diagram BD Switch Section Printed Wiring Board BD Switch SectionIC Block Diagrams BD Board IC101 CXA2523ARIC121 CXD2654R IC152 BH6511FS-E2Main Board IC100 CXD8607N IC101 CXA8054MIC203 CXA8042ASIC200 CXD8767N SN74HC153ANS SN74HCU04ANS-E20Section Exploded Views Chassis SectionFront Panel Section Supplied with RV760209 4-988-466-21 Spring ELECTROSTATIC, Leaf 206 201204 205 Base Unit Section MBU-5A Section Electrical Parts List TANTAL. Chip DiodeDiode F1J6TP CXA2523ARDisp Main C252 Mylar HZS6C1L HZ7.5CP-TKCXA8042AS SN74HC153ANS390 Main PSW Coil with Core VibratorLED SEL6210S-TH10 Standby LED SEL6810A-TH10 Mega Control TransistorSW VOL Sony Corporation
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