Sony HCD-PX333 specifications Selecting the Test Mode, Check

Page 33

HCD-PX333

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

 

button. After setting a certain group, pressing the

 

or

 

button switches modes

ENTER/YES “R”

. “R”

>“R”

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.

Display

No.

Details

Mark

Group

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.

 

 

CPLAY2MODE

C36

Continuous playback mode

 

 

CREC 2MODE

C37

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 acciden- tally, press the MENU/NO “R” button to release the mode immediately.

33

Image 33
Contents MDM-7X2A SpecificationsMD Section HCD-PX333 SELF-DIAGNOSIS FunctionHCD-PX333 Items of Error History Mode Items and ContentsError Code Details of Error Table of Error CodesCD Section Electrical Adjustments Table of ContentsDiagrams Model IdentificationHCD-PX333 Section Servicing Notes Cleaning Objective Lens of Optical PICK-UPFor CD For MDService Position IOP JIG for Checking BD MD Board WaveformRecord Procedure When Memory NG is DisplayedChecks Prior to Parts Replacement and Adjustments in MD Criteria for Determination Measure if unsatisfactorySpecified Value Bit Binary Retry Cause Display Mode in MDDecimal Bit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary CD aging mode sequence CD Aging ModeCD-TEXT Test Disc Checking MethodRestrictions in CD-TEXT Display CD-TEXT Test Disc Recorded Contents and Display Section General HCD-PX333 Parts IdentificationRemote Control This set can be disassembled in the order shown below HCD-PX333 Section DisassemblyFront Panel Section CaseREC BOARD, VOL Board Jack BOARD, BL BOARD, Panel BOARD, LCDBack PANEL, SP BOARD, Tuner TRANSFORMER, Power and DC FANAMP Board Main BOARD, Power BoardOver Write Head HR901, BD MD Board MD Mechanism Deck MDM-7X2ALoading Motor Assy M103 Holder AssyOptical PICK-UP KMS-262 Sled Motor Assy M102CD Mechanism Deck CDM55A-21BD53 Spindle Motor Assy M101Holder BU Assy MD Digital BoardTray CDM, Loading Board Base Unit BU-21BD53, Holder 55-BU21CAM CDM55 HCD-PX333 Section Test Mode Setting the Test Mode MD Seciton Precautions for USE of Test ModeReleasing the Test Mode Basic Operations of the Test ModeCheck Selecting the Test ModeFunctions of Other Buttons Operating the Continuous Playback ModeMID OUTMeanings of Other Displays Test Mode DisplaysInformation Automatic SELF-DIAGNOSIS FunctionHCD-PX333 Section Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement YES Adjustment flowPrecautions for USE of Optical PICK- UP KMS-262A/262E Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Laser power meterTemperature Compensation Offset Check Using the Continuously Recorded DiscLaser Power Check Checks Prior to RepairsAuto Check Other ChecksTraverse Check CD Error Rate Check Play Check MO Error Rate CheckFocus Bias Check Self-Recording/playback CheckTemperature Compensation Offset Adjustment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IOP InformationIop NV Save Traverse AdjustmentFocus Bias Adjustment EnterYES R Auto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjustment and checking Loacation Curve Check RF Level CheckBalance Check BD CD Board Conductor Side Memo HCD-PX333 Section Diagrams Block DiagramsMD Servo Section Optical A/D Converter SectionFAN Main SectionST/CD+10V DISPLAY, Power Supply SectionAUS Circuit Boards LocationSide B Schematic Diagram BD CD Board Printed Wiring Board BD MD Board LocationSemiconductor 5959 IC B/D Printed Wiring Board MD Digital Section Schematic Diagram MD Digital /3 See page 79 for IC Block Diagrams See page 79 for IC Block Diagrams Semiconductor Location IC B/D HCD-PX333 Printed Wiring Board SP Board Printed Wiring Board AMP BoardSchematic Diagram AMP Board Schematic Diagram SP Board IC602 Printed Wiring Board PanelSchematic Diagram Panel See page 55 for Circuit Boards Location 7474 Schematic Diagram Power Board BD CD Board BD MD Board WaveformsMD Digital Board Main Board I2SLRCKOUTIC101 CXA2523AR BD MD Board IC Block DiagramsIC141 BH6519FS-E2 BD MD Board IC1005 uDA1360TS MD Digital Board IC931 M62016L Main Board IC PIN Function Description BD MD Board IC151 CXD2662R XWE XcasMvci AsyoFS4 FrdrSrdr SfdrLVL1 ResetLVL0 DarstWR-PWR XeltI2CCLK VCC1VSS3 VCC3VCC4 VSS4Drvdat Reset XT1Drvclk CLKLOD POS IN-SWLOD NEG CLP POSMain Board IC501 ∝PDSS3033AYGF-M18-3BA System Controller GC Power MD/CD PowerTR Relay KBD CHKSircs PC PowerRDS CLK Self WriteREC Board Section Exploded Views58 A-4476-550-A Panel BOARD, Complete LCD601 1-804-371-11 Indicator TUBE, Liquid CrystalChassis 163 152 151154 162 153 156 161 163314 310 309 319 311 305 313308 303357 355 354 352 359365 370 353 366353 369 360 356 359510 505 508 511 504 CD Mechanism Deck Section CDM55A-21BD53506 512 513 522 501 517 514 518 516 502 519 520 515 521HCD-PX333 Section AMP Electrical Parts List TANTAL. Chip HCD-PX333 BD MDElect Chip Diode F1J6TPJack Jack HCD-PX333 Loading Main HCD-PX333 Main AEP,UK MY,SP,HK,AUSCONNECTOR, FFC 31P HCD-PX333 Main MD DigitalMD Digital BOARD, Complete Capacitor MD Digital Panel HCD-PX333 Panel Power HCD-PX333 Power REC HCD-PX333 VOL 111 HCD-PX333 Revision History