Sony MDS-SD1 service manual Record Precedure

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IOP DATA RECORDING AND DISPLAY WHEN PICKUP AND NON-VOLATILE MEMORY (IC171 OF BD BOARD) ARE REPLACED

The IOP value labeled on the pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need to look at the value on the label of the optical pick-up. When replacing the pick-up or non-volatile memory (IC171 of BD board), record the IOP value on the pick-up according to the following procedure.

Record Precedure:

1.While pressing the ENTER/YES button and π button, connect the power plug to the outlet, and release the ENTER/YES button and π button.

2.“TEMP CHECK” will be displayed. Press the MENU/NO button to display “Check”.

3.Rotate the –˜+ knob to display “[Service]”, and press the ENTER/YES button.

4.Rotate the –˜+ knob to display “lop.Write”, and press the ENTER/YES button.

5.The display becomes “Ref=@@@.@” (@ is an arbitrary number) and the numbers which can be changed will blink.

6.Input the IOP value written on the optical pick-up. To select the number : Rotate the –˜+ knob.

To select the digit : Press the CD SYNC/MD WM SYNC button.

7.When the ENTER/YES button is pressed, the display becomes “Measu=@@@.@” (@ is an arbitrary number).

8.As the adjustment results are recorded for the step 6 value. Leave it as it is and press the ENTER/YES button.

9.“Complete!” will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become “Iop Write”.

10.Press the 1/u button to complete. “Standby” will be displayed.

Display Precedure:

1.While pressing the ENTER/YES button and π button, connect the power plug to the outlet, and release the ENTER/YES button and π button.

2.“TEMP CHECK” will be displayed. Press the MENU/NO button to display “Check”.

3.Rotate the –˜+ knob to display “[Service]”, and press the ENTER/YES button.

4.Rotate the –˜+ knob to display “lop.Read”.

5.“@@.@/##.#” is displayed and the recorded contents are displayed. @@.@ : indicates the Iop value labeled on the pick-up.

##.#: indicates the Iop value after adjustment

6. To end, press the CD SYNC/MD WM SYNC button or MENU/NO button to display “Iop Read”. Then press the 1/u button to display “Standby”.

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Contents MBU-5A SpecificationsMDS-JE520 MDM-5ASELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Specification Label Flexible Circuit Board RepairingParts No Exploded Views Table of ContentsDisassembly DiagramsJIG for Checking BD Board Waveform Section Servicing NoteRecord Precedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Forced ResetFluorescent Indicator Tube and Mechanism Deck Cleaning of Objective Lens of Optical PickupFluorescent Indicator TUBE, LED Complete Lighting Check Attaching the Glass AssemblyServicing Position Binary Retry Cause Display ModeHigher Bits Lower Bits Hexa Cause of Retry Occurring conditionsHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal Binary Front Panel Location of Parts and Controls Section GeneralGlass Assy Section DisassemblyFront Panel Base Unit and BD Board Slider CAMSW Board and Loading Motor M103 Exiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeGroup Selecting the Test ModeNon-Volatile Memory Mode EEP Mode Operating the Continuous Playback ModeFunctions of Other Buttons Test Mode Displays Parts Replacement and Adjustment Section Electrical AdjustmentsCreating Continuously Recorded Disc Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK- UP KMS-260A Precautions for AdjustmentsSpecified Value Temperature Compensation Offset CheckLaser Power Check Checks Prior to RepairsSelf-Recording/playback Check Play Checking MO Error Rate CheckCD Error Rate Check Focus Bias CheckRecording and Displaying the IOP Information Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Laser Power AdjustmentTraverse Adjustment Focus Bias Adjustment MO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Circuit Boards Location Section DiagramsREC Digital Block Diagrams BD SectionMDS-SD1 PB Digital outPBDigital out Main SectionRECDigital Display Section For schematic diagramsFor printed wiring boards WaveformsSemiconductor Location Printed Wiring Board BD SectionSchematic Diagram BD 1/2 Section Schematic Diagram BD 2/2 Section Schematic Diagram Main 1/2 Section Schematic Diagram Main 2/2 Section Printed Wiring Board Main Section Schematic Diagram Panel Section Printed Wiring Board Panel Section Schematic Diagram Connector Section System Control To HCD-SD1 Printed Wiring Board Connector SectionMDS-SD1 BD Section IC101 IC Block DiagramsMain Section IC201 UDA1341TS/N2 IC152 BH6511FS-E2IC301 LB1641 IC822 M62016FP-E1 Connector Section IC774 P82B715TD.118IC851 M5293L IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsPin No Pin Name Function IC701 M30610MC-A01FP System Control ∝CON Main Board CHAK-IN Case and Back Panel Section Section Exploded Views67 A-4724-619-A Panel BOARD, Complete FL901 1-517-804-11 Indicator TUBE, FluorescentFront Panel Section Panel SW BoardInsulator F Mechanism Deck Section MDM-5A209 4-988-466-21 Spring ELECTROSTATIC, Leaf HEAD, Over Light Base Unit Section MBU-5AMotor ASSY, Sled Section Electrical Parts List Connector Connector Encoder Main Main Ferite InductorLine Filter FILTER, LinePanel Panel SW Screw +B Accessories & Packing Materials FILTER, Clamp Ferrite CoreMANUAL, Instruction English MANUAL, Instruction CHINESESP,HK Hardware ListSony Corporation