Sony specifications HCD-PX333 Section Servicing Notes, For CD, For MD, Varoitus

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HCD-PX333

SECTION 1

SERVICING NOTES

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT

The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body.

During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts.

The flexible board is easily damaged and should be handled with care.

For CD

NOTES ON LASER DIODE EMISSION CHECK

The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick- up block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens.

For MD

NOTES ON LASER DIODE EMISSION CHECK

Never look into the laser diode emission from right above when checking it for adjustment. It is feared that you will lose your sight.

This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior.

The following caution label is located inside the unit.

CAUTION

Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

Notes on chip component replacement

•Never reuse a disconnected chip component.

•Notice that the minus side of a tantalum capacitor may be damaged by heat.

Flexible Circuit Board Repairing

•Keep the temperature of soldering iron around 270˚C during repairing.

•Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).

•Be careful not to apply force on the conductor when soldering or unsoldering.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS

LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

CAUTION

Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type recommended by the manufacturer.

Discard used batteries according to the manufacturer’s instructions.

ADVARSEL

Eksplosjonsfare ved feilaktig skifte av batteri.

Benytt samme batteritype eller en tilsvarende type

anbefalt av apparatfabrikanten.

Brukte batterier kasseres i henhold til fabrikantens

instruksjoner.

VARNING Explosionsfara vid felaktigt batteribyte.

Använd samma batterityp eller en likvärdig typ som rekommenderas av apparattillverkaren.

Kassera använt batteri enligt gällande föreskrifter.

VAROITUS

Paristo voi räjähtää, jos se on virheellisesti asennettu.

Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä käytetty paristo valmistajan ohjeiden mukaisesti.

CLEANING OBJECTIVE LENS OF OPTICAL PICK-UP

•In cleaning the objective lens of optical pick-up, be sure the following below.

1.In cleaning the lens, do not apply an excessive force.

As the optical pick-up is vulnerable, application of excessive force could damage the lens holder.

2.In cleaning, do not use a cleaner other than exclusive cleaning liquid (KK-91 or isopropyl alcohol).

3.Wipe the objective lens spirally from center toward outside. (See Figure A)

(Figure A)

4.Eject the disk, if loaded.

5.Disconnect the power cord from the socket to shut off the power supply.

6.When cleaning the objective lens of optical pick-up in CD, refer to “HOLDER (BU) ASS’Y” on page XX for removing HOLDER (BU) ASS’Y.

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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 Model Identification Table of ContentsElectrical Adjustments DiagramsFor MD Cleaning Objective Lens of Optical PICK-UPHCD-PX333 Section Servicing Notes For CDService Position IOP JIG for Checking BD MD Board WaveformRecord Procedure When Memory NG is DisplayedCriteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and Adjustments in MDSpecified Value Bit Binary Retry Cause Display Mode in MDHigher Bits Lower Bits Hexa Details Decimal Bit When BinaryHexadecimal Binary CD aging mode sequence CD Aging ModeChecking Method CD-TEXT Test DiscRestrictions 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 Basic Operations of the Test Mode MD Seciton Precautions for USE of Test ModeSetting the Test Mode Releasing the Test ModeCheck Selecting the Test ModeOUT Operating the Continuous Playback ModeFunctions of Other Buttons MIDMeanings of Other Displays Test Mode DisplaysInformation Automatic SELF-DIAGNOSIS FunctionParts Replacement and Adjustment HCD-PX333 Section Electrical AdjustmentsCheck before replacement YES Adjustment flowLaser power meter Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-262A/262E Precautions for AdjustmentsChecks Prior to Repairs Using the Continuously Recorded DiscTemperature Compensation Offset Check Laser Power CheckOther Checks Auto CheckTraverse Check Self-Recording/playback Check Play Check MO Error Rate CheckCD Error Rate Check Focus Bias CheckRecording and Displaying the IOP Information Initial Setting of Adjustment ValueTemperature Compensation Offset Adjustment Laser Power AdjustmentIop NV Save Traverse AdjustmentEnter Focus Bias AdjustmentYES R MO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjustment and checking Loacation RF Level Check Curve CheckBalance Check BD CD Board Conductor Side Memo Block Diagrams HCD-PX333 Section 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 Location Printed Wiring Board BD MD BoardSemiconductor 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 I2SLRCKOUT WaveformsBD CD Board BD MD Board MD Digital Board Main BoardIC101 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 Asyo XcasXWE MvciSfdr FrdrFS4 SrdrDarst ResetLVL1 LVL0VCC1 XeltWR-PWR I2CCLKVSS4 VCC3VSS3 VCC4CLK Reset XT1Drvdat DrvclkCLP POS IN-SWLOD POS LOD NEGMain Board IC501 ∝PDSS3033AYGF-M18-3BA System Controller KBD CHK MD/CD PowerGC Power TR RelaySelf Write PC PowerSircs RDS CLKREC Board Section Exploded Views58 A-4476-550-A Panel BOARD, Complete LCD601 1-804-371-11 Indicator TUBE, Liquid CrystalChassis 162 153 156 161 163 152 151163 154303 311 305 313314 310 309 319 308360 356 359 359357 355 354 352 365 370 353 366353 369522 501 517 514 518 516 502 519 520 515 521 CD Mechanism Deck Section CDM55A-21BD53510 505 508 511 504 506 512 513HCD-PX333 Section AMP Electrical Parts List Diode F1J6TP HCD-PX333 BD MDTANTAL. Chip Elect ChipJack Jack HCD-PX333 Loading Main HCD-PX333 Main AEP,UK MY,SP,HK,AUSHCD-PX333 Main MD Digital CONNECTOR, FFC 31PMD Digital BOARD, Complete Capacitor MD Digital Panel HCD-PX333 Panel Power HCD-PX333 Power REC HCD-PX333 VOL 111 HCD-PX333 Revision History
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