MD Mechanism Deck MDM-7X2A | Sony HCD-PX333 guide

HCD-PX333

3-9. MD MECHANISM DECK (MDM-7X2A)

4 ground wire

5 four screws (+BVTPWH M3), step

7 two insulators

8 MD mechanism deck (MDM-7X2A)

6

3 screw (1.7 ⋅ 3), btn

1 wire (flat type)(17 core)(CN103)

2 wire (flat type)(27 core)(CN102)

7 two insulators

3-10. OVER WRITE HEAD (HR901), BD (MD) BOARD

Note : When the 1 connector (CN104) is removed first	2 screw (+P1.7 ⋅ 6)
of all, the overwrite head (HR901) and the BD
(MD) board can be removed to either side.

3 head, over write (HR901)

Note : The overwrite head (HR901) is very fragile and easy to be damaged. Be careful to handle it gently with care not to break it.

4 Remove four solderings

8 BD (MD) board

6

4 Remove five solderings

1 connector (CN104)

7 flexible board (CN101)

5 two screws (+BTP2 ⋅ 6)

24

Image 24

Sony HCD-PX333 specifications MD Mechanism Deck MDM-7X2A, Over Write Head HR901, BD MD Board

Contents

Specifications MDM-7X2A HCD-PX333 SELF-DIAGNOSIS Function MD Section Items of Error History Mode Items and Contents HCD-PX333 Table of Error Codes Error Code Details of Error CD Section Table of Contents Electrical AdjustmentsDiagrams Model Identification Cleaning Objective Lens of Optical PICK-UP HCD-PX333 Section Servicing NotesFor CD For MD Service Position JIG for Checking BD MD Board Waveform IOP When Memory NG is Displayed Record Procedure Checks Prior to Parts Replacement and Adjustments in MD Criteria for Determination Measure if unsatisfactorySpecified Value Retry Cause Display Mode in MD Bit Binary Decimal Bit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary CD Aging Mode CD aging mode sequence CD-TEXT Test Disc Checking MethodRestrictions in CD-TEXT Display CD-TEXT Test Disc Recorded Contents and Display Parts Identification Section General HCD-PX333 Remote Control HCD-PX333 Section Disassembly This set can be disassembled in the order shown below Case Front Panel Section Jack BOARD, BL BOARD, Panel BOARD, LCD REC BOARD, VOL Board TRANSFORMER, Power and DC FAN Back PANEL, SP BOARD, Tuner Main BOARD, Power Board AMP Board MD Mechanism Deck MDM-7X2A Over Write Head HR901, BD MD Board Holder Assy Loading Motor Assy M103 Sled Motor Assy M102 Optical PICK-UP KMS-262 Spindle Motor Assy M101 CD Mechanism Deck CDM55A-21BD53 MD Digital Board Holder BU Assy Base Unit BU-21BD53, Holder 55-BU21 Tray CDM, Loading Board CAM CDM55 HCD-PX333 Section Test Mode MD Seciton Precautions for USE of Test Mode Setting the Test ModeReleasing the Test Mode Basic Operations of the Test Mode Selecting the Test Mode Check Operating the Continuous Playback Mode Functions of Other ButtonsMID OUT Test Mode Displays Meanings of Other Displays Automatic SELF-DIAGNOSIS Function Information HCD-PX333 Section Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement Adjustment flow YES Precautions for Checking Laser Diode Emission Precautions for USE of Optical PICK- UP KMS-262A/262EPrecautions for Adjustments Laser power meter Using the Continuously Recorded Disc Temperature Compensation Offset CheckLaser Power Check Checks Prior to Repairs Auto Check Other ChecksTraverse Check Play Check MO Error Rate Check CD Error Rate CheckFocus Bias Check Self-Recording/playback Check Initial Setting of Adjustment Value Temperature Compensation Offset AdjustmentLaser Power Adjustment Recording and Displaying the IOP Information Traverse Adjustment Iop NV Save Focus Bias Adjustment EnterYES R Error Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level Adjustment Adjustment and checking Loacation Curve Check RF Level CheckBalance Check BD CD Board Conductor Side Memo HCD-PX333 Section Diagrams Block DiagramsMD Servo Section A/D Converter Section Optical Main Section FAN DISPLAY, Power Supply Section ST/CD+10V Circuit Boards Location AUS Side 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 AMP Board Printed Wiring Board SP Board Schematic Diagram AMP Board Schematic Diagram SP Board Printed Wiring Board Panel IC602 Schematic Diagram Panel See page 55 for Circuit Boards Location 7474 Schematic Diagram Power Board Waveforms BD CD Board BD MD BoardMD Digital Board Main Board I2SLRCKOUT IC Block Diagrams IC101 CXA2523AR BD MD Board IC141 BH6519FS-E2 BD MD Board IC1005 uDA1360TS MD Digital Board IC931 M62016L Main Board IC PIN Function Description BD MD Board IC151 CXD2662R Xcas XWEMvci Asyo Frdr FS4Srdr Sfdr Reset LVL1LVL0 Darst Xelt WR-PWRI2CCLK VCC1 VCC3 VSS3VCC4 VSS4 Reset XT1 DrvdatDrvclk CLK IN-SW LOD POSLOD NEG CLP POS Main Board IC501 ∝PDSS3033AYGF-M18-3BA System Controller MD/CD Power GC PowerTR Relay KBD CHK PC Power SircsRDS CLK Self Write Section Exploded Views REC Board LCD601 1-804-371-11 Indicator TUBE, Liquid Crystal 58 A-4476-550-A Panel BOARD, Complete Chassis 152 151 163154 162 153 156 161 163 311 305 313 314 310 309 319308 303 359 357 355 354 352365 370 353 366353 369 360 356 359 CD Mechanism Deck Section CDM55A-21BD53 510 505 508 511 504506 512 513 522 501 517 514 518 516 502 519 520 515 521 HCD-PX333 Section AMP Electrical Parts List HCD-PX333 BD MD TANTAL. ChipElect Chip Diode F1J6TP Jack Jack HCD-PX333 Loading Main HCD-PX333 Main MY,SP,HK,AUS AEP,UK CONNECTOR, 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