Sony MDS-JE770 specifications Items of Error History Mode Items and Contents

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MDS-JE770

1.While pressing the lAMSL knob and x button, connect the power plug to the outlet, and release the lAMSL knob and x button.

When the test mode is set, “[Check]” will be displayed.

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

3.Rotate the lAMSL knob and display “Err Display”.

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

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

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

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

8.Pressing the MENU/NO button displays “Err Display” 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.

ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS

Selecting the Test Mode

Display

 

 

 

 

 

 

 

 

 

 

 

 

 

History

op rec tm

Displays the total recording time.

 

When the total recording time is more than 1 minute, displays the hour and minute

 

When less than 1 minute, displays “Under 1 min”

 

The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

op play tm

Displays the total playback time.

 

When the total playback time is more than 1 minute, displays the hour and minute

 

When less than 1 minute, displays “Under 1 min”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

spdl rp tm

Displays the total rotating time of the spindle motor.

 

When the total rotating time is more than 1 minute, displays the hour and minute

 

When less than 1 minute, displays “Under 1 min”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

retry err

Displays the total number of retry errors during recording and playback

 

Displays “r xx p yy”. xx is the number of errors during recording. yy is the number of errors during playback.

 

This is displayed in hexadecimal from 00 to FF.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

total err

Displays the total number of errors

 

Displays “total xx”. This is displayed in hexadecimal from 00 to FF.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

err history

Displays the past ten errors.

 

Displays “0x ErrCd@@”.

 

X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the error

 

code.

 

Select the error history number using the

lAMSL

knob.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

retry adrs

Displays the past five retry addresses.

 

Displays “xx ADRS yyyy”, xx is the history number, yyyy is the cluster with the retry error.

 

Select the error history number using the

lAMSL

knob.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

er refresh

Mode for erasing the error and retry address histories

 

Procedure

 

1. Press the

lAMSL

knob when displayed as “er refresh”.

 

2. Press the

 

 

 

 

button when the display changes to “er refresh?”.

 

 

 

YES

 

When “complete!” is displayed, it means erasure has completed.

 

Be sure to check the following after executing this mode.

 

*Data has been erased.

 

*Perform recording and playback, and check that the mechanism is normal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tm change

Mode for erasing the total time of recording and playback

 

Procedure

 

1. Press the

lAMSL

knob when displayed as “tm refresh”.

 

2. Press the

 

 

 

 

 

 

button when the display changes to “tm refresh?”.

 

 

YES

 

When “complete!”

 

is displayed, it means erasure has completed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

op change

Mode for erasing the total time of op rec tm, op play tm.

 

These histories are based on the time of replacement of the optical pickup. If the optical pick-up has been replaced,

 

perform this procedure and erase the history.

 

Procedure

 

1. Press the

lAMSL

knob when displayed as “op change”.

 

2. Press the

YES

button when the display changes to “op change?”.

 

When “Complete!” is displayed, it means erasure has completed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents MDM-7A Specifications873-890-11 MDS-S50SELF-DIAGNOSIS Function Genera l Power requirementsSupplied accessories MDS-JE770Items of Error History Mode Items and Contents Exploded Views Table of ContentsDisassembly DiagramsFlexible Circuit Board Repairing MDS-JE770 Section Service NotesIOP JIG for Checking BD Board WaveformRecord Precedure Optical PICK-UP Block Type Discrimination KSN-260EChecks Prior to Parts Replacement and Adjustments Forced ResetMain Board Component Side Bit Binary Retry Cause Display ModeBit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary Button Descriptions MDS-JE770 Section GeneralDisassembly Flow MDS-JE770 Section DisassemblyFront Panel Section Two screws Main BoardOver Light Head HR901, BD Board Mechanism Deck Section MDM-7ALoading Motor Assy M103 Holder AssyOptical PICK-UP Sled Motor Assy M102, SliderSpindle Moter Assy M101 Exiting the Test Mode MDS-JE770 Section Test ModePrecautions for USE of Test Mode Setting the Test ModeSelecting the Test Mode MENU/NO Operating the Continuous Playback ModeFunctions of Other Buttons Test Mode DisplaysMode display Error rate displayInformation When Memory NG is DisplayedMeanings of Other Displays Automatic SELF-DIAGNOSIS FunctionMDS-JE770 Section Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement Auto Gain Control Output Level Adjustment flowTemp Adjust Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B/260E Precautions for AdjustmentsChecks Prior to Repairs Using the Continuously Recorded DiscTraverse Waveform Auto CheckOther Checks Traverse CheckSelf-Recording/playback Check Play Check MO Error Rate CheckCD Error Rate Check Focus Bias CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Iop NV Save Traverse AdjustmentFocus 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 MDS-JE770 Section DiagramsMain Board For schematic diagramsFor printed wiring boards BD BoardBlock Diagrams BD Section IC171IC190 Main Section IC360 2/2IC1 2/2 Write Head SemiconductorOVERSemiconductor Optical Pick UP BlockBoard Board Main Main Schematic Diagram Main /2 See page 51 for IC Block Diagrams IC1 Model is printed on diagramHP Board Display BoardKB Board KEY-SW BoardLED Drive Schematic Diagram Display SectionCN921 C924 LF900 C910 RY910C951 C952 D910Main Schematic Diagram Power SectionIC101 CXA2523AR BD Board IC Block DiagramsIC500 AK4524 Main Board IC PIN Function Description IC101 CXA2523AR RF Amplifier BD BoardPin No Pin Name Description Pin No Pin Name Desription Avdd MvciAsyo AsyiFS4 TfdrFfdr FrdrFlck IIC PowerADA.RESET FldtProtect ADA. LatchEPN DINT1/H ClipREC Flcs TimerSTB Beep SWOSC0 ResetVDISP1 VFL1Chassis Section Section Exploded ViewsNot supplied Supplied with J790 FL750 With RV790 FL750 1-517-987-11 Indicator TUBE, FluorescentMechanism MDM-7A Motor ASSY, Loading HEAD, Over LightMotor ASSY, Spindle Motor ASSY, SledMDS-JE770 Section Electrical Parts List Short SwitchMetal Chip Jumper ResistorMDS-JE770 Display HP KB KEY-SW KEY-SW Main MDS-JE770 Main 2SD2144S-TP-UVW Resistor VOL-SEL MDS-JE770 Main PTMemo MDS-JE770 Revision History
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