Sony MDS-JE770 SELF-DIAGNOSIS Function, Genera l Power requirements, Supplied accessories

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MDS-JE770

Genera l

Power requirements

European model:

230 V AC, 50/60Hz

Other models:

110 – 120/220 – 240 V

 

AC, 50/60Hz

 

Adjustable with voltage

 

selector

Power consumption

15 W (0.5 W in standby mode)

Dimensions (approx.)

430 X 95 X 285 mm

 

(w/h/d) incl. projecting

 

parts and controls

Mass (approx.)

3.1 kg

Supplied accessories

Audio connecting cords (2) Optical cable (1)

Remote commander (remote) (1) R6 (size-AA) batteries (2)

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

Self-diagnosis function

The deck’s self-diagnosis function automatically checks the condition of the MD deck when an error occurs, then issues a three- or five-digit code and an error message on the display. If the code and message alternate, find them in the following table and perform the indicated countermeasure. Should the problem persist, consult your nearest Sony dealer.

Three- or five-

 

digit code/

Cause/Remedy

Message

 

 

 

 

The inserted MD is record-protected.

C11/Protected

, Take out the MD and close the record-

 

protect slot.

 

 

 

You tried to record a CD with a format

 

that the external device connected to the

C12/Cannot Copy

deck does not support, such as CD-ROM

or video CD.

 

 

, Remove the disc and insert a music

 

CD.

 

 

 

The recording was not made properly.

 

, Set the deck in a stable surface, and

 

repeat the recording procedure.

 

 

C13/REC Error

The inserted MD is dirty (with smudges,

fingerprints, etc.), scratched, or

 

 

substandard in quality.

 

, Replace the disc and repeat the

 

recording procedure.

 

 

 

The deck could not read the TOC on the

C13/Read Error

MD properly.

 

, Take out the MD and insert it again.

Three- or five-

 

digit code/

Cause/Remedy

Message

 

 

 

 

The deck could not read the TOC on the

 

MD properly.

C14/Toc Error

, Insert another disc.

 

, If possible, erase all the tracks on the

 

MD .

 

 

 

The sound source is a copy of

 

commercially available music software, or

 

you tried to record a CD-R (Recordable

C41/Cannot Copy

CD).

 

, The Serial Copy Management System

 

prevents making a digital copy.

 

You cannot record a CD-R.

 

 

 

The sporadic appearance of this message

 

is caused by the digital signal being

 

recorded. This will not affect the

 

recording.

 

 

 

While recording from a digital component

C71/Din Unlock

connected through the DIGITAL IN

 

connector, the digital connecting cable

 

was unplugged or the digital component

 

turned off.

 

, Connect the cable or turn the digital

 

component back on.

 

 

E0001/

There is an error in the internal data that

the deck needs in order to operate.

MEMORY NG

, Consult your nearest Sony dealer.

 

 

 

There is a problem with the optical

E0101/

pickup.

LASER NG

, The optical pick-up may have failed.

 

Consult your nearest Sony dealer.

 

 

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 required 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.

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Contents MDS-S50 Specifications873-890-11 MDM-7AMDS-JE770 Genera l Power requirementsSupplied accessories SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents Diagrams Table of ContentsDisassembly Exploded ViewsMDS-JE770 Section Service Notes Flexible Circuit Board RepairingJIG for Checking BD Board Waveform IOPRecord Precedure KSN-260E Optical PICK-UP Block Type DiscriminationMain Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset Retry Cause Display Mode Bit BinaryHexadecimal Binary Bit When BinaryHigher Bits Lower Bits Hexa Details MDS-JE770 Section General Button DescriptionsMDS-JE770 Section Disassembly Disassembly FlowFront Panel Section Main Board Two screwsMechanism Deck Section MDM-7A Over Light Head HR901, BD BoardHolder Assy Loading Motor Assy M103Sled Motor Assy M102, Slider Optical PICK-UPSpindle Moter Assy M101 Setting the Test Mode MDS-JE770 Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode Operating the Continuous Playback Mode MENU/NOError rate display Test Mode DisplaysMode display Functions of Other ButtonsAutomatic SELF-DIAGNOSIS Function When Memory NG is DisplayedMeanings of Other Displays InformationCheck before replacement MDS-JE770 Section Electrical AdjustmentsParts Replacement and Adjustment Adjustment flow Auto Gain Control Output LevelPrecautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B/260E Temp AdjustUsing the Continuously Recorded Disc Checks Prior to RepairsTraverse Check Auto CheckOther Checks Traverse WaveformFocus Bias Check Play Check MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Traverse Adjustment Iop NV SaveFocus 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 MDS-JE770 Section Diagrams Circuit Boards LocationBD Board For schematic diagramsFor printed wiring boards Main BoardIC190 Block Diagrams BD SectionIC171 IC1 2/2 Main SectionIC360 2/2 Optical Pick UP Block SemiconductorOVERSemiconductor Write HeadBoard Board Main Main Schematic Diagram Main /2 See page 51 for IC Block Diagrams Model is printed on diagram IC1KEY-SW Board Display BoardKB Board HP BoardSchematic Diagram Display Section LED DriveD910 RY910C951 C952 CN921 C924 LF900 C910Schematic Diagram Power Section MainIC Block Diagrams IC101 CXA2523AR BD BoardIC500 AK4524 Main Board Pin No Pin Name Description IC PIN Function DescriptionIC101 CXA2523AR RF Amplifier BD Board Pin No Pin Name Desription Asyi MvciAsyo AvddFrdr TfdrFfdr FS4Fldt IIC PowerADA.RESET FlckDINT1/H Clip ADA. LatchEPN ProtectBeep SW TimerSTB REC FlcsVFL1 ResetVDISP1 OSC0Section Exploded Views Chassis SectionFL750 1-517-987-11 Indicator TUBE, Fluorescent Not supplied Supplied with J790 FL750 With RV790Mechanism MDM-7A Motor ASSY, Sled HEAD, Over LightMotor ASSY, Spindle Motor ASSY, LoadingMDS-JE770 Section Electrical Parts List Jumper Resistor SwitchMetal Chip ShortMDS-JE770 Display HP KB KEY-SW KEY-SW Main MDS-JE770 Main 2SD2144S-TP-UVW Resistor MDS-JE770 Main PT VOL-SELMemo MDS-JE770 Revision History