Technicolor - Thomson CDP-CX57 Sclk, Srdt, Dqsy, SENS1, SENS2, SENS3, Downsw, Upsw, Select

Page 44

Pin No.

Pin Name

I/O

Function

 

 

 

 

 

 

 

 

 

49

SQOUT

I

Subcode Q data input from the DSP (IC102)

 

 

 

 

 

 

 

50

COIN

O

Command serial data output to the RF amplifier (IC101) and DSP (IC102)

 

 

 

 

 

51

SCLK

O

Serial data transfer clock signal output to the CD text decoder (IC104)

“L” active

 

 

 

 

 

 

 

52

SRDT

I

Serial data input from the CD text decoder (IC104)

 

 

 

 

 

 

 

 

 

 

53

NC

O

Not used (open)

 

 

 

 

 

 

 

 

54

DRF

I

Focus OK signal input from the RF amplifier (IC101) and DSP (IC102)

“L”: NG, “H”: OK

 

 

 

 

 

55

WRQ

I

Subcode Q synchronizing signal input from the DSP (IC102) “H” active

 

 

 

 

 

 

56

RMIN

I

Remote control signal input from the remote control receiver (IC902)

“L” active

 

 

 

 

 

 

57

TGL

I

Tracking gain control signal input from the DSP (IC102)

 

 

Gain becomes low when tracking gain is “H”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

58

RWC

O

Command latch output to the RF amplifier (IC101) and DSP (IC102)

“L” active

 

 

 

 

 

59

SL–

O

Sled feeding signal (internal direction) output to the RF amplifier (IC101)

“H” active

 

 

 

 

 

60

DQSY

I

Serial data synchronizing signal input from the CD text decoder (IC104)

“L” active

 

 

 

 

 

 

 

61

XMODE

O

Reset signal output to the CD text decoder (IC104)

“H”: reset

 

 

 

 

 

 

 

 

 

62

T.SENS1

I

Disc table flag detect sensor (IC51) input terminal

 

 

 

 

 

 

 

 

 

 

63

T.SENS2

I

Disc table flag detect sensor (IC52) input terminal

 

 

 

 

 

 

 

 

 

64

T.SENS3

I

Disc table home position detect sensor (IC53) input terminal

 

 

 

 

 

 

 

 

 

65

DOWNSW

I

Inputs the loading out switch (S52) detection signal

“L” active

 

 

 

 

 

 

 

 

 

66

UPSW

I

Inputs the loading in switch (S51) detection signal

“L” active

 

 

 

 

 

 

 

 

 

67

SELECT

I

Not used (fixed at “H”)

 

 

 

 

 

 

 

 

 

 

68 to 71

D3 to D6

I/O

Two-way data bus with the static RAM (IC502)

 

 

 

 

 

 

 

 

 

 

72

VDD

—

Power supply terminal (+5V)

 

 

 

 

 

 

 

 

 

 

73

NC (VDD)

—

Not used (connected to power supply (+5V) line)

 

 

 

 

 

 

 

 

 

 

74

D7

I/O

Two-way data bus with the static RAM (IC502)

 

 

 

 

 

 

 

 

 

 

75 to 77

D0 to D2

I/O

Two-way data bus with the static RAM (IC502)

 

 

 

 

 

 

 

 

 

 

78 to 80

A0 to A2

O

Address signal output to the static RAM (IC502)

 

 

 

 

 

 

 

 

 

 

– 54 –

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Contents Specifications Line OUTDigital OUTTable of Contents Mechanical AdjustmentsSection 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 Section Disassembly CASE, Front PanelCD Mechanism Deck Section Audio BOARD, Main BoardBase Unit BD BOARD, Sled Motor M102Optical PICK-UP KSS-213B/S-N Fluorescent Indicator TUBE, LED ALL LIT, and KEY Check Mode Test ModeADJ Mode Aging Mode Fluorescent Indicator Tube and LED Check ModeShipment Mode Set to this mode when returning the unit to the userError code Aging procedureError Display Section Mechanical Adjustments Disc Sensor AligmentFlat portion center Magnet Assy Aligment Disc Holder a AligmentSection Electrical Adjustments Curve CheckRF Level Check Balance Traverse CheckRF PLL Free-run Frequency Check About RV601 on the Main boardAdjustment Location Section Diagrams Circuit Boards LocationSingapore model IC101 $Á Rfsm Play Mode Waveforms BD SectionMain Section Diaplay SectionBlock Diagrams BD Section CDP-CX57Main Section 2ND CDPrinted Wiring Board BD Section Schematic Diagram BD Section Printed Wiring Board Audio Section Schematic Diagram Audio Section See page 21 for NotePrinted 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 IC Block Diagrams BD Board IC101 LA9241M IC102 LC78622EIC203 LA5601 IC103 LA6541 IC104 LC89170MMain Board IC201 LA5602 IC601 BA6780 Display Board IC903 M66310FPIC PIN Function Description Pin No Pin Name FunctionCV+ RfsmRFS SLCDefi VvssIset VvddXvdd XvssSbsy EflgReset LdinTbll TblrSclk SrdtDqsy SENS1Section Exploded ViewsCase Section 4948-515-1 Illumination AssyFront Panel Section 66 A-4724-009-A Display BOARD, CompleteChassis 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 Switch Ceramic ChipCeramic Chip 2PF TransformerDisc Sensor R Disc Sensor S Display LED Main Ferrite BeadMain Motor Power SW Table Sensor Accessories & Packing Materials CORD, Connection Control A1 CNDMANUAL, 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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