Sony HCD-PX333 Xcas, Xwe, Mvci, Asyo, Asyi, Avdd, Bias, Rfi, Avss, Pco, Fili, Filo, Cltv, AUX1

Page 83

HCD-PX333

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

 

 

 

 

 

 

44

 

 

 

 

 

O

Column address strobe signal output to the D-RAM (IC152) “L” active

 

XCAS

 

45

 

 

A09

O

Address signal output to the D-RAM (IC152)

 

 

 

 

 

 

 

 

 

 

 

 

46

 

 

 

 

O

Row address strobe signal output to the D-RAM (IC152)

“L” active

 

 

XRAS

 

47

 

 

 

O

Write enable signal output to the D-RAM (IC152)

“L” active

 

 

XWE

 

48

 

 

D1

I/O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

49

 

 

D0

I/O

Two-way data bus with the D-RAM (IC152)

 

 

50

 

 

D2

I/O

 

 

 

 

 

 

 

 

51

 

 

D3

I/O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

52

 

MVCI

I (S)

Digital in PLL oscillation input from the external VCO

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

53

 

ASYO

O

Playback EFM full-swing output terminal

 

 

 

 

 

 

 

 

 

 

 

54

 

 

ASYI

I (A)

Playback EFM asymmetry comparator voltage input terminal

 

 

 

 

 

 

 

 

 

 

 

55

AVDD

Power supply terminal (+3.3V) (analog system)

 

 

56

 

 

BIAS

I (A)

Playback EFM asymmetry circuit constant current input terminal

57

 

 

RFI

I (A)

Playback EFM RF signal input from the CXA2523AR (IC101)

 

 

 

 

 

 

 

 

 

 

 

58

 

 

AVSS

Ground terminal (analog system)

 

 

 

 

 

 

 

 

 

 

 

59

 

 

PCO

O (3)

Phase comparison output for master clock of the recording/playback EFM master PLL

 

 

 

 

 

 

 

 

 

60

 

 

FILI

I (A)

Filter input for master clock of the recording/playback master PLL

 

 

 

 

 

 

 

 

 

61

 

 

FILO

O (A)

Filter output for master clock of the recording/playback master PLL

62

 

CLTV

I (A)

Internal VCO control voltage input of the recording/playback master PLL

63

 

PEAK

I (A)

Light amount signal (RF/ABCD) peak hold input from the CXA2523AR (IC101)

 

 

 

 

 

 

 

 

 

64

BOTM

I (A)

Light amount signal (RF/ABCD) bottom hold input from the CXA2523AR (IC101)

 

 

 

 

 

 

 

 

 

65

ABCD

I (A)

Light amount signal (ABCD) input from the CXA2523AR (IC101)

 

 

 

 

 

 

 

 

 

 

66

 

 

FE

I (A)

Focus error signal input from the CXA2523AR (IC101)

 

 

 

 

 

 

 

 

 

 

67

 

AUX1

I (A)

Auxiliary signal (I3 signal/temperature signal) input from the CXA2523AR (IC101)

68

 

 

VC

I (A)

Middle point voltage (+1.65V) input from the CXA2523AR (IC101)

69

 

 

ADIO

O (A)

Monitor output of the A/D converter input signal

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

70

AVDD

Power supply terminal (+3.3V) (analog system)

 

 

 

 

 

 

 

 

 

 

 

71

 

ADRT

I (A)

A/D converter operational range upper limit voltage input terminal (fixed at “H” in this set)

 

 

 

 

 

 

 

 

 

72

ADRB

I (A)

A/D converter operational range lower limit voltage input terminal (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

 

73

 

 

AVSS

Ground terminal (analog system)

 

 

74

 

 

SE

I (A)

Sled error signal input from the CXA2523AR (IC101)

 

75

 

 

TE

I (A)

Tracking error signal input from the CXA2523AR (IC101)

76

DCHG

I (A)

Connected to the +3.3V power supply

 

 

 

 

 

 

 

 

 

 

 

 

 

77

TEST4

I

Input terminal for the test

Not used (fixed at “H”)

 

 

 

 

 

 

 

 

 

 

78

 

ADFG

I (S)

ADIP duplex FM signal (22.05 kHz ± 1 kHz) input from the CXA2523AR (IC101)

 

 

 

 

 

 

 

 

 

79

F0CNT

O

Filter f0 control signal output to the CXA2523AR (IC101)

80

 

 

XLRF

O

Serial data latch pulse signal output to the CXA2523AR (IC101)

81

 

CKRF

O

Serial data transfer clock signal output to the CXA2523AR (IC101)

82

 

 

DTRF

O

Writing serial data output to the CXA2523AR (IC101)

 

 

 

 

 

 

 

 

 

 

83

APCREF

O

Control signal output to the reference voltage generator circuit for the laser automatic power

control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

84

TEST0

O

Input terminal for the test

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

85

 

TRDR

O

Tracking servo drive PWM signal (–) output to the BH6511FS (IC141)

86

 

 

TFDR

O

Tracking servo drive PWM signal (+) output to the BH6511FS (IC141)

87

DVDD

Power supply terminal (+3.3V) (digital system)

 

 

88

 

 

FFDR

O

Focus servo drive PWM signal (+) output to the BH6511FS (IC141)

 

 

 

 

 

 

 

 

 

 

 

 

* I (S) stands for schmitt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O.

83

Image 83
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 DisplayedSpecified Value Checks Prior to Parts Replacement and Adjustments in MDCriteria for Determination Measure if unsatisfactory Bit Binary Retry Cause Display Mode in MDHexadecimal Binary Decimal Bit When BinaryHigher Bits Lower Bits Hexa Details CD aging mode sequence CD Aging ModeRestrictions in CD-TEXT Display CD-TEXT Test DiscChecking Method 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 FunctionCheck before replacement HCD-PX333 Section Electrical AdjustmentsParts Replacement and Adjustment 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 CheckTraverse Check Auto CheckOther Checks 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 AdjustmentYES R Focus Bias AdjustmentEnter 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 Balance Check Curve CheckRF Level Check BD CD Board Conductor Side Memo MD Servo Section HCD-PX333 Section DiagramsBlock Diagrams Optical A/D Converter SectionFAN Main SectionST/CD+10V DISPLAY, Power Supply SectionAUS Circuit Boards LocationSide B Schematic Diagram BD CD Board Semiconductor Printed Wiring Board BD MD BoardLocation 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,AUSMD Digital BOARD, Complete Capacitor CONNECTOR, FFC 31PHCD-PX333 Main MD Digital MD Digital Panel HCD-PX333 Panel Power HCD-PX333 Power REC HCD-PX333 VOL 111 HCD-PX333 Revision History