Technicolor - Thomson CDP-CX57 Defi, Vvss, Iset, Vvdd, Vss, TEST2, Clv+, Fseq, Vdd, C2F, TEST3

Page 41

• BD BOARD IC102 LC78622E (DIGITAL SIGNAL PROCESSOR, DIGITAL FILTER, D/A CONVERTER)

Pin No.

Pin Name

I/O

Function

 

 

 

 

 

 

1

DEFI

I

Defect detection signal input from the RF amplifier (IC101)

 

 

 

 

 

 

2

TAI

I

PLL test input terminal Not used (fixed at “L”)

 

 

 

 

 

 

3

PDO

O

PLL phase comparison output for external VCO control

 

 

 

 

 

 

4

VVSS

—

Ground terminal (internal VCO system)

 

 

 

 

 

 

5

ISET

I

Connected to a current adjusting resistor for the PDO output

 

 

 

 

 

 

6

VVDD

—

Power supply terminal (+5V) (internal VCO system)

 

 

 

 

 

 

7

FR

I

Adjusts the VCO frequency range

 

 

 

 

 

 

8

VSS

—

Ground terminal (digital system)

 

 

 

 

 

 

9

EFMO

O

Slice level control to EFM signal output

 

 

 

 

 

 

10

EFMIN

I

Playback EFM RF signal input from the RF amplifier (IC101)

 

 

 

 

 

 

11

TEST2

I

Test input terminal (fixed at “L” in this set)

 

 

 

 

 

 

12

CLV+

O

Disc motor control signal output to the RF amplifier (IC101)

 

13

CLV–

O

(3-value output available depending on the command)

 

 

 

 

 

14

V/P

O

Sled servo on/off control signal output to the RF amplifier (IC101) Rough servo/phase control

automatic switching monitor output “H”: rough servo, “L”: phase servo

 

 

 

 

 

 

 

15

HFL

I

Tracking detection signal input from the RF amplifier (IC101) (Schmitt input) HFL (High

Frequency Level) is used to determine whether the main beam is positioned on a pit or mirror

 

 

 

 

 

 

 

16

TES

I

Tracking error signal input from the RF amplifier (IC101) (schmitt input)

 

 

 

 

 

17

TOFF

O

Tracking off control signal output to the RF amplifier (IC101)

 

Tracking becomes off when TOFF is “H”

 

 

 

 

 

 

 

 

 

 

18

TGL

O

Tracking gain control signal output to the RF amplifier (IC101)

(Raises gain when “L”)

 

 

 

 

 

19

JP+

O

Track jump control signal output to the RF amplifier (IC101)

 

20

JP–

O

(3-value output available depending on the command)

 

 

 

 

 

21

PCK

O

EFM data playback clock monitor output terminal (4.3218 MHz when phase is locked)

 

 

 

 

22

FSEQ

O

Sync signal detection output terminal (“H” when a sync signal detected from the EFM signal and

that generated internally coincide)

 

 

 

 

 

 

 

 

 

 

23

VDD

—

Power supply terminal (+5V) (digital system)

 

 

 

 

 

 

24

CONT1

I

Guard frame sync input terminal

 

 

 

 

 

 

25

CONT2

I

Sled servo on/off control signal input terminal

 

 

 

 

 

 

26

CONT3

O

Sled servo drive control signal output terminal

 

 

 

 

 

27

CONT4

I

Sled limit-in detect switch (S101) input terminal The optical pick-up is inner position when “L”

 

 

 

 

 

28

CONT5

O

Not used (open)

 

 

 

 

 

 

29

EMPH

O

De-emphasis control signal output terminal

 

The de-emphasis disc is being played back when “H” Not used (open)

 

 

 

 

 

 

 

 

30

C2F

O

C2PO (error condition monitor) signal output terminal

 

 

 

 

 

 

31

DOUT

O

Digital signal output terminal (EIAJ format)

 

 

 

 

 

 

32

TEST3

I

Test input terminal (fixed at “L” in this set)

 

 

 

 

 

 

33

TEST4

I

Test input terminal (fixed at “L” in this set)

 

 

 

 

 

 

34

NC

—

Not used (open)

 

 

 

 

 

 

35

MUTEL

O

Line muting on/off control signal output terminal (for L-ch side)

“H”: muting on

 

 

 

 

 

36

LVDD

—

Power supply terminal (+5V) (L-ch D/A converter system)

 

 

 

 

 

37

LCHO

O

Analog audio signal output from the internal D/A converter block (for L-ch side)

38

LVSS

—

Ground terminal (L-ch D/A converter system)

 

 

 

 

 

 

39

RVSS

—

Ground terminal (R-ch D/A converter system)

 

 

 

 

 

40

RCHO

O

Analog audio signal output from the internal D/A converter block (for R-ch side)

 

 

 

 

 

41

RVDD

—

Power supply terminal (+5V) (R-ch D/A converter system)

 

 

 

 

 

 

– 51 –

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Page 40 Page 42
Contents Line OUT SpecificationsDigital OUTMechanical Adjustments Table of ContentsSection Servicing Notes Except for the customers in the United States and CanadaSafety CHECK-OUT Restrictions in CD-TEXT Display CD-TEXT Test DiscChecking Method ′ μ Front Panel Section GeneralLocation of Parts and Controls CASE, Front Panel Section DisassemblyAudio BOARD, Main Board CD Mechanism Deck SectionBD BOARD, Sled Motor M102 Base UnitOptical PICK-UP KSS-213B/S-N Fluorescent Indicator TUBE, LED ALL LIT, and KEY Check Mode Test ModeADJ Mode Fluorescent Indicator Tube and LED Check Mode Aging ModeShipment Mode Set to this mode when returning the unit to the userError code Aging procedureError Display Disc Sensor Aligment Section Mechanical AdjustmentsFlat portion center Disc Holder a Aligment Magnet Assy AligmentCurve Check Section Electrical AdjustmentsRF Level Check Balance Traverse CheckAbout RV601 on the Main board RF PLL Free-run Frequency CheckAdjustment Location Circuit Boards Location Section DiagramsSingapore model Waveforms BD Section IC101 $Á Rfsm Play ModeMain Section Diaplay SectionCDP-CX57 Block Diagrams BD Section2ND CD Main SectionPrinted Wiring Board BD Section Schematic Diagram BD Section Printed Wiring Board Audio Section See page 21 for Note Schematic Diagram Audio SectionPrinted Wiring Board Main Section Schematic Diagram Main Section Printed Wiring Boards Panel Section Schematic Diagram Panel Section Printed Wiring Boards SENSOR/MOTOR Section Page Schematic Diagram SENSOR/MOTOR Section IC102 LC78622E IC Block Diagrams BD Board IC101 LA9241MIC203 LA5601 IC103 LA6541 IC104 LC89170MMain Board IC201 LA5602 Display Board IC903 M66310FP IC601 BA6780Pin No Pin Name Function IC PIN Function DescriptionRfsm CV+RFS SLCVvss DefiIset VvddXvss XvddSbsy EflgLdin ResetTbll TblrSrdt SclkDqsy SENS1Exploded Views SectionCase Section 4948-515-1 Illumination Assy66 A-4724-009-A Display BOARD, Complete Front Panel SectionChassis Section Mechanism Deck CDM-46C2 360 357 354 351 355359 354 353358 356 405 407 401 408 402 406 Optical Pick UP Section KSS-213B/S-N409406 404 403 Section Electrical Parts List Audio Ceramic Chip SwitchCeramic Chip 2PF TransformerDisc Sensor R Disc Sensor S Display Ferrite Bead LED MainMain Motor Power SW Table Sensor CORD, Connection Control A1 CND Accessories & Packing MaterialsMANUAL, Instruction SWEDISH, FINNISH, Danish AED Hardware ListSony Corporation

CDP-CX57 specifications

The Technicolor - Thomson CDP-CX57 is a versatile and feature-rich compact disc player designed to enhance the listening experience for audiophiles and casual listeners alike. As part of Thomson's long-standing legacy in audio technology, the CDP-CX57 combines sleek design with advanced digital audio technologies, making it a popular choice for those seeking high-quality sound reproduction.

One of the standout features of the CDP-CX57 is its ability to support a wide range of disc formats. This player is compatible with standard audio CDs, as well as CD-R and CD-RW media, allowing users to enjoy a diverse library of music collections. Enhanced playback capabilities enable users to experience their favorite tracks with clarity and precision.

Equipped with high-performance digital-to-analog converters (DACs), the CDP-CX57 delivers rich, detailed audio reproduction. This technology transforms digital signals into analog signals, resulting in improved sound quality and a more immersive listening experience. The unit's excellent jitter suppression further ensures that audio playback remains stable and free of distortion.

The CDP-CX57 also features programmable playback options, allowing users to create custom playlists and enjoy their music in a personalized manner. Additionally, the unit comes with a user-friendly remote control, enabling effortless navigation through tracks and settings from a distance.

Built for longevity, the CDP-CX57 boasts a robust construction that protects sensitive internal components from external interference. This durability extends the player’s life and ensures optimal performance over time. Furthermore, the sleek design and compact footprint make it an attractive addition to any audio setup, fitting seamlessly into various environments.

The Technicolor - Thomson CDP-CX57 is an ideal blend of advanced technology and user-friendly features, catering to both seasoned audiophiles and those new to the world of high-fidelity audio. With its exceptional sound quality, versatile playback options, and durable design, it remains a standout choice for music lovers seeking a reliable and enjoyable listening experience.
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