Sony HCD-C5 service manual Basic Operations of the Test Mode, Selecting the Test Mode, Enter/Yes R

Page 26

HCD-C5

4. BASIC OPERATIONS OF THE TEST MODE

All operations are performed using the . “R”,

The functions of these buttons are as follows.

>“R”,

ENTER/YES “R”and

MENU/NO “R”.

 

 

Function name

Function

 

 

,

 

 

 

buttons

Changes parameters and modes

 

. “R”

> “R”

 

 

 

 

 

 

 

 

 

 

 

 

button

Proceeds onto the next step. Finalizes input

 

ENTER/YES “R”

 

 

 

 

 

 

 

 

 

 

 

button

Returns to previous step. Stops operations

 

MENU/NO “R”

 

 

 

 

 

 

 

 

5. SELECTING THE TEST MODE

There are 26 types of test modes as shown below. The groups can be switched by pressing the . “R”or > “R”button. After selecting the group to be used, press the ENTER/YES “R”button. After setting a certain group, pressing the . “R”or

>“R”button switches modes shown below.

Refer to “Group” in the table for details can be selected.

All items used for servicing can be treated using group [Service]. So be carefully not to enter other groups by mistake.

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.

 

 

 

Group

Display

No.

Details

Mark

Service

 

 

 

Check

AUTO CHECK

C01

Automatic self-diagnosis

 

 

Err Display

C02

Error history display, clear

 

 

TEMP ADJUST

C03

Temperature compensation offset adjustment

 

 

LDPWR ADJUST

C04

Laser power adjustment

 

 

Iop Write

C05

Iop data writing

 

 

Iop NV Save

C06

Writes current Iop value in read nonvolatile memory using microprocessor

 

 

EF MO ADJUST

C07

Traverse (MO) adjustment

 

 

EF CD ADJUST

C08

Traverse (CD) adjustment

 

 

FBIAS ADJUST

C09

Focus bias adjustment

 

 

AG Set (MO)

C10

Auto gain output level adjustment (MO)

 

 

AG Set (CD)

C11

Auto gain output level adjustment (CD)

 

 

TEMP CHECK

C12

Temperature compensation offset check

 

 

LDPWR CHECK

C13

Laser power check

 

 

EF MO CHECK

C14

Traverse (MO) check

 

 

EF CD CHECK

C15

Traverse (CD) check

 

 

FBIAS CHECK

C16

Focus bias check

 

 

ScurveCHECK

C17

S-curve check

 

 

VERIFYMODE

C18

Nonvolatile memory check

 

 

DETRK CHECK

C19

Detrack check

 

 

0920 CHECK

C25

Most circumference check

 

 

Iop Read

C26

Iop data display

 

 

Iop Compare

C27

Comparison with initial Iop value written in nonvolatile memory

 

 

ADJ CLEAR

C28

Initialization of nonvolatile memory for adjustment values

 

 

INFORMATION

C31

Display of microprocessor version, etc.

 

 

CPLAY1MODE

C34

Continuous playback mode

 

 

CREC 1MODE

C35

Continuous recording mode

 

 

For details of each adjustment mode, refer to “5. Electrical Adjustments”. For details of “Err Display”, refer to “Self-Diagnosis Function” on page 2.

If a different mode has been selected by mistake, press the MENU/NO “R”button to release that mode.

Modes with () in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set accidentally, press the MENU/NO “R”button to release the mode immediately.

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Contents OPTIMA-720L1E SpecificationsTT Base Assy MDM-7B4MHCD-C5 SELF-DIAGNOSIS FunctionDiagrams Table of ContentsElectrical Adjustments 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 Releasing the Test Mode Precautions for USE of Test ModeSetting 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 Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and Adjustments in MDRetry Cause Display Mode in MD PrecedureExample Reading the Retry Cause DisplayReading the Display Bit When Binary DetailsRF Level Check Section Electrical Adjustments HCD-C5CD Section MD Section Parts Replacement and AdjustmentCheck before replacement Adjustment flow YESPrecautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK-UP KMS-260B/260E Laser power meterLaser Power Check Using the Continuously Recorded DiscTemperature Compensation Offset Check Checks Prior to RepairsTraverse Check Auto CheckOther Checks Self-Recording/playback Check Focus Bias CheckPlay Check Laser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjustment Recording and Displaying the IOP InformationIop NV Save Traverse AdjustmentMethod of identifying the optical pick-up KMS-260B/260E Read power traverse adjustment CD Error Rate Check Focus Bias AdjustmentError Rate Check MO Error Rate CheckMO Auto Gain Control Output Level Adjustment Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment Adjustment and checking LoacationWaveforms Section Diagrams HCD-C5Circuit Boards Location 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 IC102 BA5982FP-E2 BD CD Board IC Block DiagramsIC101 CXD3068Q BD CD Board IC103 CXA2581N-T4 BD CD Board IC201 ∝ DA1360TS MD Digital Board IC141 BH6519FS-E2 BD MD BoardVssd Selstatic TEST1 Reset Bcko Vddd CRtcb Vddd PREEM0 NC NC TEST2 Vssd C L3DATAIC601 M66004M8FP-200D Panel Board IC PIN Function Description IC101Xrst SrdtSens SqsyAvdd AsyoAsyi BiasTEST2 TEST3 Dvss SpfdTEST1 IC701 PLAY-SW ResetDA-RESET REC-SWIC501 Bvdd SPK-RELAYHelp BvssSection Exploded Views Overall SectionFront Panel Section 110 Chassis102 104 111 103 112 114 105 101 106 107 108 113152 155 154156 157 151 158 155 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 758 761 757 756 751 761760 762 763 764 759 753754 755 752AMP Audio Section Electrical Parts List Audio HCD-C5 BD CDDiode UDZ-TE-17-3.9B Ferrite Bead CONNECTOR, FFC 29PHCD-C5 BD CD FerriteBD CD HCD-C5 BD MD HCD-C5 BD MD BD MD Connector Jack HCD-C5 MD DigitalFerrite 0UH HCD-C5 MD Digital PanelFerrite Bead / Conductor InductorPanel Power Power Ucom Connector DIN 8P CONNECTOR, FFC 16PCONNECTOR, Round Type 6P PIN, Connector 4P DiodeR225 216-841-11 TRANSFORMER, Power AEP,UK,AUS Wire Flat Type 19 CoreSwitch Detection Limit Hardware ListHCD-C5 Revision History