Sony HCD-C5 service manual MD Seciton, Precautions for USE of Test Mode, Setting the Test Mode

Page 25

HCD-C5

[CD Aging Mode]

Procedure:

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

2.Press the FUNCTION z button to set the CD function, and insert a disc.

3.Press three buttons of VOL - , CD Z and >/M TUNING + simultaneusly.

4.The message “Eject” is displayed, a disc is ejected and in- serted again automatically.

5.The sequence during the CD aging mode is following as be- low.

CD aging mode sequence:

CD disc eject

CD disc in

TOC reading

Playback the first track

Playback the last track

Display the number of aging

6.To exit this mode , press the ?/1 button to turn the power off.

[CD/MD Aging Mode]

∗Aging of CD and MD is performed at the same time.

Procedure:

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

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

3.Insert a disc (CD) and a recordable disc (MD).

4.Press three buttons of VOL + , u and MD Z simultaneusly.

5.The message “Eject” is displayed and aging started.

6.The sequence of CD aging is same as the CD aging mode, however the MD aging is repetition of changing the track after a few seconds recording.

7.The number of aging is displayed in hexadecimal. For example, AGING00000011 means the 17th rouine of aging.

8.To exit this mode, press the ?/1 button to turn the power off, or press three buttons of VOL + , CD Z and MD Z simul- taneously and cold reset is executed.

MD SECITON

Note 1: About “R”

As this unit has only a few buttons, some operations require the use of remote commander (RM-SC5BEN/provided with unit: 1-476-649-21) buttons. These operations are indicated as “R” in this manual.

Example: MENU/NO “R”...Press the MENU/NO button of the remote commander.

Note 2: Incorrect operations may be performed if the MD test mode is not entered properly.

In this case, press the ?/1 button to turn the power off, and retry to enter the MD test mode.

1. PRECAUTIONS FOR USE OF TEST MODE

•As operations related to loading will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it.

Even if the MD Z button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating.

Therefore, it will be ejected while rotating.

Be sure to press the MD Z button after pressing the MENU/NO “R”button and the rotation of disc is stopped.

1-1. Recording laser emission mode and operating buttons

•Continuous recording mode (CREC 1MODE)

•Laser power check mode (LDPWR CHECK)

•Laser power adjustment mode (LDPWR ADJUST)

•Comparison with initial Iop value written in nonvolatile memory (Iop Compare)

•Write current Iop value in read nonvolatile memory using mi- croprocessor (Iop NV Save)

•Traverse (MO) check (EF MO CHECK)

•Traverse (MO) adjustment (EF MO ADJUST)

•When pressing the REC/REC IT button.

2. SETTING THE TEST MODE

The following is the method of entering the test mode. 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 (MD) simulta neously. When the test mode is set, “[Check]” will be displayed. Pressing the

. “R”or > “R”button between the following three groups; ··· Tt [Check] Tt [Service] Tt [Develop] Tt ···.

Note: Do not use the test mode in the [Develop] group. If used, the unit may not operate normally.

If the [Develop] group is set accidentally, press the

MENU/NO “R”button immediately to exit the [Develop] group.

3. RELEASING THE TEST MODE

Procedure 1: Press the REPEAT “R”button to display “Initial-

ize”, then release the MD test mode.

Procedure 2: Press two button of VOL - and MD Z to display “Intialize”, then release the MD test mode.

25

Page 24 Page 26
Image 25
Page 24 Page 26
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 SecitonSelecting the Test Mode Basic Operations of the Test ModeENTER/YES R Operating the Continuous Playback Mode Automatic SELF-DIAGNOSIS Function Functions of Other ButtonsInformation Record Procedure When Memory NG is DisplayedDisplay Precedure Retry Cause Display Mode in MD Checks Prior to Parts Replacement and Adjustments in MDCriteria for Determination Measure if unsatisfactory PrecedureReading the Display Reading the Retry Cause DisplayExample Details Bit When BinaryCD Section Section Electrical Adjustments HCD-C5RF Level Check Check before replacement Parts Replacement and AdjustmentMD Section 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 RepairsOther Checks Auto CheckTraverse Check Play Check Focus Bias CheckSelf-Recording/playback Check Temperature Compensation Offset Adjustment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IOP InformationMethod of identifying the optical pick-up KMS-260B/260E Traverse AdjustmentIop NV Save 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 IC101 CXD3068Q BD CD Board IC103 CXA2581N-T4 BD CD Board IC Block DiagramsIC102 BA5982FP-E2 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 BiasTEST1 SpfdTEST2 TEST3 Dvss 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
Top Page Image Contents