Sony service manual HCD-C5 Section Test Mode

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HCD-C5

SECTION 4

TEST MODE

[Factory Preset Mode]

∗This mode clears all data including preset data stored in the RAM to initial conditions. Excute this mode when returning the set to the customer.

Procedure:

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

2.Press the FUNCTION z button to set the CD function. (except the TUNER function)

3.Press three buttons VOL + , CD Z and MD Z simultaneously.

4.The message “COLD RESET” blinks and the present contents are reset to the default values.

[Version and Destination Display Mode]

∗The version or destination is displayed.

Procedure:

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

2.To enter the test mode, press the three buttons VOL + , x and MD Z simultaneously.

3.The model and destination are displayed.

4.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

5.The version is displayed as “STR/CD V . ”.

6.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

7.The version is displayed as “MD V . ”.

8.Press the REC/REC IT/NORMAL and u buttons simul- taneously, then the mode returns to step 3.

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

[FL Tube Test Mode]

∗All fluorecent segments and LEDs are tested.

Procedure:

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

2.To enter the test mode, press three buttons VOL + , x and

./m TUNING - simultaneously.

3.All segments and LEDs are turned on.

4.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

5.All segments are turned off (All LEDs still lit).

6.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

7.Almost half segments are turned on. (PATTERN 1)

8.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

9.The segments which are turned on in step 7 are turned off, then remaining segments are turned on. (PATTERN 2)

10.Press the REC/REC IT/NORMAL and u buttons simul- taneously, the mode returms to step 3 and all segments are turned on.

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

[Key Test Mode]

∗Keyboard check.

Procedure:

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

2.To enter the test mode, press three buttons VOL + , x and >/M TUNING + simultaneously.

3.In the key test mode, the fluorecent indicator displays “KEY00”.

4.Each time a button is pressed, “KEY ” value increases. However, once a button is pressed, it is no longer taken into account.

5.To exit from this mode, press three buttons simultaneously as step 2 , or disconnect the power cord.

[Amp Test Mode]

Procedure:

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

2.Press three buttons VOL - , CD Z and MD Z simulta- neously.

3.Press two buttons REC/REC IT/NORMAL and x simulta- neously.

4.The message “7 [TESTMIN]” is displayed for a few seconds.

5.Press two buttons REC/REC IT/NORMAL and x simulta- neously again.

6.Each time two buttons are depressed, the display changes as “8 [TESTMID]” , “9 [TESTMAX]”, and “10 [TESTSUR]” .

7.Press the VOL + button, the display changes “VOLUME 21” to “VOLUME MAX”.

8.Press the VOL - button, the display changes “VOLUME 21” to “VOLUME MIN”.

9.To exit from this mode, press the ?/1 button to turn the power off and cold reset is executed.

[CD Test Mode]

∗The CD system versions are displayed.

Procedure:

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

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

3.Press three buttons of VOL + , x and CD SYNC HIGH simultaneusly.

4.The message “dut CD VER” is displayed.

5.Press the CD Z button and the version “CD . ” is dis- played.

6.Press the >/M TUNING + button and “CDSYS ” is displayed.

7.Each time the >/M TUNING + button is depressed , the display changes as “CDMA S”, “CDBD O”, “CDCD M”.

8.By depressing the ./m TUNING - button the versions are displayed in reverse.

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

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Contents Specifications TT Base AssyOPTIMA-720L1E MDM-7B4MHCD-C5 SELF-DIAGNOSIS FunctionTable of Contents Electrical AdjustmentsDiagrams Exploded Views Electrical Parts ListFlexible Circuit Board Repairing HCD-C5 Section Servicing NoteService Position of the CD Mechanism Deck Service Position of the MD Mechanism DeckJIG for Checking BD MD Board Waveform IOPSection General Parts IdentificationRemote control Parts IdentificationHCD-C5 Section Disassembly SET Bottom PLATE, CaseBottom PLATE, Case Panel BoardCD Mechanism Deck TN-CCD1001Z, BD CD Board CN1Connector Board Front Bracket SECTION, Loading Motor Assy M902 SW Board Feed Motor Assy M903 Rear Damper BracketOptical PICK-UP OPTIMA-720L1E Base Section Spindle Motor Assy M904 Jack BOARD, HP BOARD, Rear CoverUcom BOARD, AMP Power Board Tuner PACK, D. C. FAN M901Audio BOARD, Power BOARD, Power Transformer T900 Connector CN105MD Mechanism Deck MDM-7B4M, MD Digital Board Holder AssyBD MD Board Loading Motor M703, Spindle Motor M701, Sled Motor M702Over Write Head OP-SUB SectionHCD-C5 Section Test Mode Precautions for USE of Test Mode Setting the Test ModeReleasing the Test Mode MD SecitonBasic Operations of the Test Mode Selecting the Test ModeENTER/YES R Operating the Continuous Playback Mode Functions of Other Buttons Automatic SELF-DIAGNOSIS FunctionInformation When Memory NG is Displayed Record ProcedureDisplay Precedure Checks Prior to Parts Replacement and Adjustments in MD Retry Cause Display Mode in MDCriteria for Determination Measure if unsatisfactory PrecedureReading the Retry Cause Display Reading the DisplayExample Bit When Binary DetailsSection Electrical Adjustments HCD-C5 CD SectionRF Level Check Parts Replacement and Adjustment Check before replacementMD Section Adjustment flow YESPrecautions for Checking Laser Diode Emission Precautions for USE of Optical PICK-UP KMS-260B/260EPrecautions for Adjustments Laser power meterUsing the Continuously Recorded Disc Temperature Compensation Offset CheckLaser Power Check Checks Prior to RepairsAuto Check Other ChecksTraverse Check Focus Bias Check Play CheckSelf-Recording/playback Check Initial Setting of Adjustment Value Temperature Compensation Offset AdjustmentLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment Method of identifying the optical pick-up KMS-260B/260EIop NV Save Read power traverse adjustment Focus Bias Adjustment Error Rate CheckCD Error Rate Check MO Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentMO Auto Gain Control Output Level Adjustment Adjustment and checking LoacationSection Diagrams HCD-C5 Circuit Boards LocationWaveforms AUSBlock Diagram CD Servo Section OPTIMA-720L1EBlock Diagram MD Servo Section APCBlock Diagram Main Section Tape MD-LLocation SemiconductorIC B/D Location Side a Location Side BIC B/D 153 IC201 10K 1/16W Printed Wiring Board Ucom Board Semiconductor LocationDigital Optical Input Speaker IC302 D301 1SS355TE IC602 HCD-C5 IC901 Schematic Diagram Power Section IC Block Diagrams IC101 CXD3068Q BD CD Board IC103 CXA2581N-T4 BD CD BoardIC102 BA5982FP-E2 BD CD Board IC201 ∝ DA1360TS MD Digital Board IC141 BH6519FS-E2 BD MD BoardSelstatic TEST1 Reset Bcko Vddd C Rtcb Vddd PREEM0 NC NC TEST2Vssd Vssd C L3DATAIC601 M66004M8FP-200D Panel Board IC PIN Function Description IC101Srdt SensXrst SqsyAsyo AsyiAvdd BiasSpfd TEST1TEST2 TEST3 Dvss IC701 Reset DA-RESETPLAY-SW REC-SWIC501 SPK-RELAY HelpBvdd BvssSection Exploded Views Overall SectionFront Panel Section Chassis 102 104 111 103 112 114 105 101 106 107 108110 113155 154 156 157 151 158152 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 761 760 762 763 764 759758 761 757 756 751 753754 755 752AMP Audio Section Electrical Parts List Audio HCD-C5 BD CDCONNECTOR, FFC 29P HCD-C5 BD CDDiode UDZ-TE-17-3.9B Ferrite Bead FerriteBD CD HCD-C5 BD MD HCD-C5 BD MD BD MD Connector Jack HCD-C5 MD DigitalHCD-C5 MD Digital Panel Ferrite Bead / ConductorFerrite 0UH InductorPanel Power Power Ucom CONNECTOR, FFC 16P CONNECTOR, Round Type 6PConnector DIN 8P PIN, Connector 4P DiodeR225 216-841-11 Wire Flat Type 19 Core Switch Detection LimitTRANSFORMER, Power AEP,UK,AUS Hardware ListHCD-C5 Revision History
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