Sony 4-216-349-5, Singapore model, Hong Kong model service manual SELF-DIAGNOSIS Function

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SELF-DIAGNOSIS FUNCTION

The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box in the instruction manual. For details on how to check error codes during servicing, refer to the following “Procedure for usin g the Self- Diagnosis Function (Error History Display Mode)”.

Procedure for using the Self-Diagnosis Function (Error History Display Mode).

Note: Perform the self-diagnosis function in the “error history display mode” in the test mode. The following describes the least req uired procedure. Be careful not to enter other modes by mistake. If you set other modes accidentally, press the MENU/NO button to exit the mode.

1.While pressing the AMS knob and p button, connect the power plug to the outlet, and release the AMS knob and p button.

2.Rotate the AMS knob and when “[Service]” is displayed, press the YES button.

3.Rotate the AMS knob and display “ERR DP MODE”.

4.Pressing the YES button sets the error history mode and displays “total rec”.

5.Select the contents to be displayed or executed using the AMS knob.

6.Pressing the AMS knob will display or execute the contents selected.

7.Pressing the AMS knob another time returns to step 4.

8.Pressing the MENU/NO button displays “ERROR DP MODE” and exits the error history mode.

9.To exit the test mode, press the REPEAT button. The unit sets into the STANDBY state, the disc is ejected, and the test mode ends.

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Contents Specifications MDS-JE330SELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Flexible Circuit Board Repairing VarnigDiagrams Table of ContentsDisassembly Exploded ViewsIOP Section Servicing NoteJIG for Checking BD Board Waveform TEORecord Precedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and AdjustmentsForced Reset REC/PLAYRetry Cause Display Mode Bit BinaryHexadecimal Binary Bit When BinaryHigher Bits Lower Bits Hexa Details Front Panel Section GeneralLocation of Parts and Controls Slider CAM Section DisassemblyCase and Front Panel Base Unit MBU-5A and BD Board SW Board and Loading Motor M103Setting the Test Mode Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode GroupMID Operating the Continuous Playback ModeNon-Volatile Memory Mode EEP Mode OUTTest Mode Displays Functions of Other ButtonsMeanings of Other Displays Section Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Adjustments Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK- UP KMS-260A Creating Continuously Recorded DiscChecks Prior to Repairs Temperature Compensation Offset CheckLaser Power Check Specified ValueFocus Bias Check Play Checking MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment CD Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Section Diagrams Circuit Boards LocationBlock Diagrams BD Section MDS-JE330Main Section LD-LOVOWaveforms For schematic diagramsFor printed wiring boards Display SectionPrinted Wiring Board BD Section Semiconductor LocationSchematic 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 Printed Wiring Board Panel Section Schematic Diagram Panel Section BD Section IC101 Schematic Diagram BD Switch Section IC Block DiagramsPrinted Wiring Board BD Switch Section IC121 CXD2654R IC152 BH6511FS-E2IC406 M62016L Main section IC301 UDA1341TS/N2IC381 M5218AL IC441 LB1641 Pin No Pin Name Function IC PIN FunctionsIC101 RF Amplifier CXA2523AR BD board MNT2 Xbusy MNT0 FOKMNT1 Shck MNT3 SlocAsyi MvciAsyo AvddFrdr TfdrFfdr FS4IC501 System Control M30620MC-400FP Main board REC/PB OPT DEL OPT SEL Mode SELPB-P SDASection Exploded Views Case and Back Panel SectionFront Panel Section 6162Mechanism Section MDM-5A 225 226 206 205Base Unit Section MBU-5A 251 252Section Electrical Parts List ResistorsDisplay Display KEY SW Main PIN, Connector 7P Inductor MDS-JE330 Main SW VOL SEL Vibrator