HCD-PX333 Section Electrical Adjustments | Sony specification

HCD-PX333

SECTION 5

ELECTRICAL ADJUSTMENTS

MD SECTION

Note 1: About “R”

As this unit has only a few buttons, some operations require the use of remote commander (RM-S55EN/provided with unit: 1-476-664-21) buttons. These operations are indicated as “R” in this manual.

Example: MENU/NO “R” ...Press the [MENU/NO] button of the remote commander.

Note 2: Incorrect operations may be performed if the MD test mode is not entered properly.

In this case, press the ?/1 button to turn the power off, and retry to enter the MD test mode.

1. PARTS REPLACEMENT AND ADJUSTMENT

If malfunctions caused by optical pick-up such as sound skipping are suspected, follow the following check.

Check before replacement

	Start
	6-2.	NG
	Laser Power Check	NG
	Laser Power Check
	(See page 40)
	OK
	6-3.	NG
	Iop Compare	NG
	Iop Compare
	(See page 40)
	OK
	6-4.	NG	Replace optical pick-up or MDM-7X2A
	Auto Check	NG
	Auto Check
	(See page 41)
	OK
	Other faults are suspected.
	Check the mechanism parts (spindle motor, sled motor, etc.).

37

Image 37

Sony specifications HCD-PX333 Section Electrical Adjustments, Parts Replacement and Adjustment, Check before replacement

Contents

MDM-7X2A Specifications MD Section HCD-PX333 SELF-DIAGNOSIS Function HCD-PX333 Items of Error History Mode Items and Contents Error Code Details of Error Table of Error Codes CD Section Electrical Adjustments Table of ContentsDiagrams Model Identification HCD-PX333 Section Servicing Notes Cleaning Objective Lens of Optical PICK-UPFor CD For MD Service Position IOP JIG for Checking BD MD Board Waveform Record Procedure When Memory NG is Displayed Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and Adjustments in MDSpecified Value Bit Binary Retry Cause Display Mode in MD Higher Bits Lower Bits Hexa Details Decimal Bit When BinaryHexadecimal Binary CD aging mode sequence CD Aging Mode Checking Method CD-TEXT Test DiscRestrictions in CD-TEXT Display CD-TEXT Test Disc Recorded Contents and Display Section General HCD-PX333 Parts Identification Remote Control This set can be disassembled in the order shown below HCD-PX333 Section Disassembly Front Panel Section Case REC BOARD, VOL Board Jack BOARD, BL BOARD, Panel BOARD, LCD Back PANEL, SP BOARD, Tuner TRANSFORMER, Power and DC FAN AMP Board Main BOARD, Power Board Over Write Head HR901, BD MD Board MD Mechanism Deck MDM-7X2A Loading Motor Assy M103 Holder Assy Optical PICK-UP KMS-262 Sled Motor Assy M102 CD Mechanism Deck CDM55A-21BD53 Spindle Motor Assy M101 Holder BU Assy MD Digital Board Tray CDM, Loading Board Base Unit BU-21BD53, Holder 55-BU21 CAM 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 Mode Check Selecting the Test Mode Functions of Other Buttons Operating the Continuous Playback ModeMID OUT Meanings of Other Displays Test Mode Displays Information Automatic SELF-DIAGNOSIS Function Parts Replacement and Adjustment HCD-PX333 Section Electrical AdjustmentsCheck before replacement YES Adjustment flow Precautions for USE of Optical PICK- UP KMS-262A/262E Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Laser power meter Temperature Compensation Offset Check Using the Continuously Recorded DiscLaser Power Check Checks Prior to Repairs Other Checks Auto CheckTraverse Check CD Error Rate Check Play Check MO Error Rate CheckFocus Bias Check Self-Recording/playback Check Temperature Compensation Offset Adjustment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IOP Information Iop NV Save Traverse Adjustment Enter Focus Bias AdjustmentYES R Auto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level Adjustment Adjustment 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 Section FAN Main Section ST/CD+10V DISPLAY, Power Supply Section AUS Circuit Boards Location Side 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 Board Schematic Diagram AMP Board Schematic Diagram SP Board IC602 Printed Wiring Board Panel Schematic 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 I2SLRCKOUT IC101 CXA2523AR BD MD Board IC Block Diagrams IC141 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 Asyo FS4 FrdrSrdr Sfdr LVL1 ResetLVL0 Darst WR-PWR XeltI2CCLK VCC1 VSS3 VCC3VCC4 VSS4 Drvdat Reset XT1Drvclk CLK LOD POS IN-SWLOD NEG CLP POS Main Board IC501 ∝PDSS3033AYGF-M18-3BA System Controller GC Power MD/CD PowerTR Relay KBD CHK Sircs PC PowerRDS CLK Self Write REC Board Section Exploded Views 58 A-4476-550-A Panel BOARD, Complete LCD601 1-804-371-11 Indicator TUBE, Liquid Crystal Chassis 163 152 151154 162 153 156 161 163 314 310 309 319 311 305 313308 303 357 355 354 352 359365 370 353 366353 369 360 356 359 510 505 508 511 504 CD Mechanism Deck Section CDM55A-21BD53506 512 513 522 501 517 514 518 516 502 519 520 515 521 HCD-PX333 Section AMP Electrical Parts List TANTAL. Chip HCD-PX333 BD MDElect Chip Diode F1J6TP Jack Jack HCD-PX333 Loading Main HCD-PX333 Main AEP,UK MY,SP,HK,AUS HCD-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