Sony HCD-C5 service manual When Memory NG is Displayed, Record Procedure, Display Precedure

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IOP DATA RECORDING AND DISPLAY WHEN OPTI- CAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OF BD (MD) BOARD) ARE REPLACED

The IOP value labeled on the optical 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 optical pick-up or non-volatile memory (IC195 of BD (MD) board), record the IOP value on the optical pick-up according to the following procedure.

Record Procedure:

1.Press the ?/1 button to turn the power on.

2.Press the FUNCTION z button to set the MD function.

3.Press three buttons of VOL - , x and CD SYNC HIGH , simultaneously to enter the MD test mode and display “[Check]”.

4.Press the . “R” or > “R” button to display “[Service]”.

5.Press the ENTER/YES “R” button to display “AUTO CHECK”, and press the > “R” button to display “Iop Write”.

6.Press the ENTER/YES “R” button.

7.The display becomes “Ref= @@@.@” (@ is an arbitrary num- ber) and the numbers which can be changed will blink.

8.Input the IOP value written on the optical pick-up.

To select the number : Press the

.“R” or > “R” button.

To select the digit : Press two buttons of VOL - and

CD Z simultaneously.

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

10.As the adjustment results are recorded for the step 9 value. Leave it as it is and press the ENTER/YES “R” button.

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

12.Press the REPEAT “R” button, or press two buttons of VOL - and MD Z simultaneously. to complete. “Initialize” will be displayed and release the MD test mode.

Display Precedure:

1.Press the ?/1 button to turn the power on.

2.Press the FUNCTION z button to set the MD function.

3.Press three buttons of VOL - , x , and CD SYNC HIGH simultaneously to enter the MD test mode and display “[Check]”.

4.Press the . “R” or > “R” button to display “[Ser- vice]”.

5.Press the ENTER/YES “R” button to display “AUTO CHECK”, and press the >“R” button to display “Iop Read”.

6.Press the ENTER/YES “R” button.

7.“@@.@/##.#” is displayed and the recorded contents are dis- played.

@@.@ : Indicates the Iop value labeled on the pick-up.

##.# : Indicates the Iop value after adjustment.

8.Press the REPEAT “R” button to complete. “Initialize” will be displayed and release the MD test mode.

HCD-C5

WHEN MEMORY NG IS DISPLAYED

If the nonvolatile memory data is abnormal, “E001 MEMORY NG” will be displayed so that the MD deck does not continue opera- tions. In this case, set the test mode promptly and perform the following procedure.

Procedure:

1.Enter the MD test mode.

2.Normally a message for selecting the test mode will be displayed. However if the nonvolatile memory is abnormal, the following will be displayed “INIT EEP?”.

3.Press the x and MD Z buttons simultaneously.

4.Press the .“R” or >“R” button to display “MDM-7B4M”.

5.Press the ENTER/YES “R” button. If the nonvolatile memory is successfully overwritten, the normal MD test mode will be set and a message to select the MD test mode will be displayed.

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Contents TT Base Assy SpecificationsOPTIMA-720L1E MDM-7B4MSELF-DIAGNOSIS Function HCD-C5Electrical Adjustments Table of ContentsDiagrams Exploded Views Electrical Parts ListHCD-C5 Section Servicing Note Flexible Circuit Board RepairingService Position of the MD Mechanism Deck Service Position of the CD Mechanism DeckIOP JIG for Checking BD MD Board WaveformParts Identification Section GeneralParts Identification Remote controlSET Bottom PLATE, Case HCD-C5 Section DisassemblyPanel Board Bottom PLATE, CaseCN1 CD Mechanism Deck TN-CCD1001Z, BD CD BoardConnector Board Front Bracket SECTION, Loading Motor Assy M902 SW Board Rear Damper Bracket Feed Motor Assy M903Optical PICK-UP OPTIMA-720L1E Base Section Jack BOARD, HP BOARD, Rear Cover Spindle Motor Assy M904Tuner PACK, D. C. FAN M901 Ucom BOARD, AMP Power BoardConnector CN105 Audio BOARD, Power BOARD, Power Transformer T900Holder Assy MD Mechanism Deck MDM-7B4M, MD Digital BoardLoading Motor M703, Spindle Motor M701, Sled Motor M702 BD MD BoardOP-SUB Section Over Write HeadHCD-C5 Section Test Mode Setting the Test Mode Precautions for USE of Test ModeReleasing the Test Mode MD SecitonENTER/YES R Basic Operations of the Test ModeSelecting the Test Mode Operating the Continuous Playback Mode Information Functions of Other ButtonsAutomatic SELF-DIAGNOSIS Function Display Precedure When Memory NG is DisplayedRecord Procedure Retry Cause Display Mode in MD Checks Prior to Parts Replacement and Adjustments in MDCriteria for Determination Measure if unsatisfactory PrecedureExample Reading the Retry Cause DisplayReading the Display Details Bit When BinaryRF Level Check Section Electrical Adjustments HCD-C5CD Section MD Section Parts Replacement and AdjustmentCheck before replacement YES Adjustment flowPrecautions for USE of Optical PICK-UP KMS-260B/260E Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Laser power meterTemperature Compensation Offset Check Using the Continuously Recorded DiscLaser Power Check Checks Prior to RepairsTraverse Check Auto CheckOther Checks Self-Recording/playback Check Focus Bias CheckPlay Check Temperature Compensation Offset Adjustment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IOP InformationIop NV Save Traverse AdjustmentMethod of identifying the optical pick-up KMS-260B/260E Read power traverse adjustment Error Rate Check Focus Bias AdjustmentCD Error Rate Check MO Error Rate CheckCD Auto Gain Control Output Level Adjustment Auto Gain Control Output Level AdjustmentMO Auto Gain Control Output Level Adjustment Adjustment and checking LoacationCircuit Boards Location Section Diagrams HCD-C5Waveforms AUSOPTIMA-720L1E Block Diagram CD Servo SectionAPC Block Diagram MD Servo SectionTape MD-L Block Diagram Main SectionSemiconductor LocationIC B/D Location Side B Location Side aIC B/D 153 IC201 10K 1/16W Semiconductor Location Printed Wiring Board Ucom BoardDigital Optical Input Speaker IC302 D301 1SS355TE IC602 HCD-C5 IC901 Schematic Diagram Power Section IC102 BA5982FP-E2 BD CD Board IC Block DiagramsIC101 CXD3068Q BD CD Board IC103 CXA2581N-T4 BD CD Board IC141 BH6519FS-E2 BD MD Board IC201 ∝ DA1360TS MD Digital BoardRtcb Vddd PREEM0 NC NC TEST2 Selstatic TEST1 Reset Bcko Vddd CVssd Vssd C L3DATAIC601 M66004M8FP-200D Panel Board IC101 IC PIN Function DescriptionSens SrdtXrst SqsyAsyi AsyoAvdd BiasTEST2 TEST3 Dvss SpfdTEST1 IC701 DA-RESET ResetPLAY-SW REC-SWIC501 Help SPK-RELAYBvdd BvssOverall Section Section Exploded ViewsFront Panel Section 102 104 111 103 112 114 105 101 106 107 108 Chassis110 113156 157 151 158 155 154152 155 A-4725-732-A MD Digital BOARD, CompleteCD Mechanism Deck Section TN-CCD1001Z CD Mechanism Deck Secti Front Bracket Section TN-CCD1001Z CD Mechanism Deck Section Base Section TN-CCD1001Z CD Mechanism Deck Section Chassis Section TN-CCD1001Z MD Mechanism Deck MDM-7B4M 760 762 763 764 759 761758 761 757 756 751 753754 755 752AMP Audio Section Electrical Parts List BD CD Audio HCD-C5HCD-C5 BD CD CONNECTOR, FFC 29PDiode UDZ-TE-17-3.9B Ferrite Bead FerriteBD CD HCD-C5 BD MD HCD-C5 BD MD MD Digital BD MD Connector Jack HCD-C5Ferrite Bead / Conductor HCD-C5 MD Digital PanelFerrite 0UH InductorPanel Power Power Ucom CONNECTOR, Round Type 6P CONNECTOR, FFC 16PConnector DIN 8P PIN, Connector 4P DiodeR225 216-841-11 Switch Detection Limit Wire Flat Type 19 CoreTRANSFORMER, Power AEP,UK,AUS Hardware ListHCD-C5 Revision History
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