Sony MDS-JE530 service manual Self-Diagnosisfunction, 2

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SELF-DIAGNOSIS FUNCTION

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 “Pro cedure for using 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 [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob and [ÊÊ]p button, connect the power plug to the outlet, and release the [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob and [ÊÊ]p button.

2.Turn the [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob and when “[Service]” is displayed, press the [YES] button.

3.Turn the [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob to display “ERR DP MODE”.

4.Press the [YES] button to sets the error history mode and displays “total rec”.

5.Select the contents to be displayed or executed using the [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob.

6.Press the [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob to display or execute the contents selected.

7.Press the [ÊÊÊÊÊÊÊÊAMSÊÊÊÊÊÊÊÊ]- ± knob another time returns to step 4.

8.Press the [MENU/NO] button to display “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 Supplied accessories SPECIFICATIONSSERVICE MANUAL MDS-JE530SELF-DIAGNOSISFUNCTION – 2 –– 3 – Items of Error History Mode Items and ContentsTable of Error Codes Selecting the Test ModeDISASSEMBLY TABLE OF CONTENTS6.DIAGRAMS ELECTRICAL ADJUSTMENTS– 5 – Flexible Circuit Board RepairingNotes on chip component replacement ADVARSEL– 6 – JIG FOR CHECKING BD BOARD WAVEFORMDisplay Precedure – 7 –Record Precedure CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS – 8 –Precedure – 9 –RETRY CAUSE DISPLAY MODE Fig. 1 Reading the Test Mode DisplayReading the Display – 10 –Hexadecimal nBinary Conversion Table LOCATION OF CONTROLS SECTION GENERAL– 11 – This section is extracted from instruction manualPage CASE SECTION DISASSEMBLY– 13 – FRONT PANEL SECTIONMECHANISM DECK SECTTION MDM-5D – 14 –MAIN BOARD BASE UNIT MBU-5D,BD BOARD – 15 –SLIDER CAM – 16 – SW BOARD, LOADING MOTOR M103SECTION TEST MODE 1. PRECAUTIONS FOR USE OF TEST MODE2. SETTING THE TEST MODE – 17 –– 18 – 5. SELECTING THE TEST MODE5-3. Non-VolatileMemory Mode EEP MODE – 19 –5-1.Operating the Continuous Playback Mode 7. TEST MODE DISPLAYS – 20 –6. FUNCTIONS OF OTHER BUTTONS – 21 – MEANINGS OF OTHER DISPLAYS– 22 – SECTION ELECTRICAL ADJUSTMENTS1.PARTS REPLACEMENT AND ADJUSTMENT Laser power meter 2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION4. PRECAUTIONS FOR ADJUSTMENTS – 23 –Specification Checking Procedure6-2.Laser Power Check – 24 –– 25 – 6-5.C PLAY Checking MO Error Rate CheckCD Error Rate Check 6-4.Focus Bias Check10. LASER POWER ADJUSTMENT 7. INITIAL SETTING OF ADJUSTMENT VALUE9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT Setting ProcedureSpecification 11. TRAVERSE ADJUSTMENT– 27 – Adjusting ProcedureAdjusting Procedure 12.FOCUS BIAS ADJUSTMENT– 28 – 13-1.CD Error Rate Check 13.ERROR RATE CHECK15.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 13-2.MO Error Rate Check– BD BOARDSide A – Adjustment Location– 30 – – BD BOARDSide B –– 31 – MDS-JE530 SECTION DIAGRAMS6-1.BLOCK DIAGRAM – MD SERVO Section – – 32 –– 33 – 6-2.BLOCK DIAGRAM – MAIN Section –MDS-JE530 – 34 –Note on Schematic Diagram – 35 –Note on Printed Wiring Board – 36 – • Circuit Boards Location•See page 36 for Circuit Boards Location 6-4.PRINTED WIRING BOARD – BD Board –– 38 – •Semiconductor LocationMDS-JE530 – 39 –– 40 – – 42 – 6-6.SCHEMATIC DIAGRAM – BD Board 2/2 – See•– 41 – MDS-JE530– 43 – 6-7.SCHEMATIC DIAGRAM – SW Board –6-8.PRINTED WIRING BOARD – SW Board – – 44 –– 46 – 6-9.PRINTED WIRING BOARD – MAIN Board – See•– 45 – page 36 for Circuit Boards LocationMDS-JE530 – 47 –– 48 – Page Page 41 PageMDS-JE530 – 49 –– 50 – MDS-JE530 – 51 –– 52 – • Semiconductor LocationMDS-JE530 – 53 –– 54 – Page 47 Page– 56 – •IC Block Diagrams – BD Board –– 55 – IC101M5293L – 57 –IC310 IC431– 58 – 6-14.IC PIN FUNCTION DESCRIPTION– 59 – •BD BOARD IC121 CXD2656R– 60 – – 61 – – 62 – •MAIN BOARD IC501 M30624MG-207FPSYSTEM CONTROLLER– 63 – – 64 – 1CHASSIS SECTION SECTION EXPLODED VIEWS– 65 – 51 53 2FRONT PANEL SECTION 61 64 61 63 6166 61 61 59 54 52202 201 – 67 –3MECHANISM SECTION MDM-5D 213 207 223 207263 270 – 68 –4BASE UNIT SECTION MBU-5D 252 254 253SECTION ELECTRICAL PARTS LIST – 69 –DISPLAY – 70 –DISPLAY KEY SW– 71 – KEY SW MAIN– 72 – – 73 – MAIN– 74 – MAINMAIN POWER SW– 75 – Sony Corporation MDS-JE530– 76 – 9-928-824-11

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