Sony 4-216-840-0 Section Test Mode, Precautions for USE of Test Mode, Setting the Test Mode

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SECTION 4

TEST MODE

1. PRECAUTIONS FOR USE OF TEST MODE

•As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it.

Even if the [ÊÊÊÊÊEJECT]¤ button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating.

Therefore, it will be ejected while rotating.

Be sure to press the [ÊÊÊÊÊEJECT]¤ button after pressing the [MENU/NO] button and the rotation of disc is stopped.

1-1. Recording laser emission mode and operating buttons

•Continuous recording mode (CREC MODE)

•Laser power check mode (LDPWR CHECK)

•Laser power adjustment mode (LDPWR ADJUST)

•Traverse (MO) check (EF MO CHECK)

•Traverse (MO) adjustment (EF MO ADJUST)

•When pressing the [ÊÊÊÊÊREC]r button.

2. SETTING THE TEST MODE

The following are two methods of entering the test mode.

Procedure 1: While pressing the = AMS + knob and p button, connect the power plug to an outlet, and release the

=AMS + knob and p button.

When the test mode is set, “[Check]” will be displayed. Turn the =AMS + knob switches between the following four groups; ···Nn[Check] Nn[Adjust] Nn[Service] Nn[Develop] Nn···.

Procedure 2: While pressing the = AMS + knob, connect the power plug to the outlet and release the = AMS + knob. When the test mode is set, “TEMP CHECK” will be displayed. By setting the test mode using this method, only the “Check” group of method 1 can be executed.

3. EXITING THE TEST MODE

Press the [REPEAT] button. The disc is ejected when loaded, and “Standby” display blinks, and the STANDBY state is set.

4. BASIC OPERATIONS OF THE TEST MODE

All operations are performed using the = AMS +

The functions of these buttons are as follows.

knob, [YES] button, and [MENU/NO] button.

Function name

Function

 

 

= AMS + knob

Changes parameters and modes

 

 

YES button

Proceeds onto the next step. Finalizes input.

MENU/NO button

Returns to previous step. Stops operations.

 

 

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Contents MDS-JE520 SpecificationsMDM-5A SELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Diagrams Table of ContentsSection Servicing Notes Flexible Circuit Board Repairing VarningJIG for Checking BD Board Waveform IOPRecord Precedure Checks Prior to Parts Replacement and Adjustments Criteria for Determination Measure if unsatisfactoryRetry Cause Display Mode PrecedureHexadecimal nBinary Conversion Table Section General Cover Section DisassemblyFront Panel Section Main Board Mechanism Deck Section MDM-5ASlider CAM Base Unit MBU-5A, BD BoardSW BOARD, Loading Motor M103 Section Test Mode Precautions for USE of Test ModeSetting the Test Mode Exiting the Test ModeSelecting the Test Mode Display Contents Mark GroupOperating the Continuous Playback Mode Non-Volatile Memory Mode EEP ModeMID OUTTest Mode Displays Functions of Other ButtonsMeanings of Other Displays Section Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Checking Laser Diode Emission 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 AdjustmentLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment ING CONTINUOUSLY-RECORDED DiscError Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjustment Location Section Diagrams IC PIN Function DescriptionMNT2 Xbusy XlatSrdt SensXras XWEAsyo AsyiFS4 SrdrSfdr SprdAder ByteCnvss RSTSTB ChackLdin LD-LOWBlock Diagram MD Servo Section ∙ Signal PathPlay Analog OUT REC Analog REC DigitalBlock Diagram Main Section REC AnalogCircuit Boards Location CNDSemiconductor Location MDS-M100 Schematic Diagram BD Board 2/2 See 65 for Waveforms. See page 51 for IC Block DiagramSchematic Diagram SW Board Printed Wiring Board SW BoardIC121 CXD2654R Main Board IC301 ΜDA1341TS/N2IC406 M62016L IC421 M5293L IC152 BH6511FS-E2MDS-M100 Semiconductor Location Schematic Diagram Main Board 1/2 See page 65 for Waveform MDS-M100 Ref. No Location D741 D742 IC761 Q741 Q742 Q767 MDS-M100 Exploded Views SectionCover Section Chassis Section AEP, SPMechanism Section MDM-5A 201 206 204 205209 4-988-466-11 Spring ELECTROSTATIC, Leaf 221 A-4680-409-A Holder Complete AssyBase Unit Section MBU-5A Section Electrical Parts List AC Select BDShort Switch IC/TRANSISTORCXA2523AR Transistor FMW1Main ConnectorCeramic Carbon InductorExcept US, CND Main Panel Panel SW Trans Sony Corporation
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