Technicolor - Thomson CDP-CX57 service manual CD-TEXT Test Disc, Checking Method

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CD-TEXT TEST DISC

This unit is able to display the test data (character information) written in the CD on its fluorescent indicator tube. The CD-TEXT TEST DISC (TGCS-313:4-989-366-01) is used for checking the display.

To check, perform the following procedure.

Checking Method:

1.Turn ON the power, set the disc on the disc table with the side labeled as “test disc” as the right side, close the front cov er, and chuck the disc.

2.Press the á button and play back the disc.

3.The following will be displayed on the fluorescent indicator tube.

Display : 1kHz/0 dB/ L&R

4.Press the - and ± buttons to switch the track. The text data of each track will be displayed.

For details of the displayed contents for each track, refer to “Table 1 : CD-TEXT TEST DISC TEXT Data Contents” and “Table 2 : CD- TEXT TEST DISC Recorded Contents and Display”.

Restrictions in CD-TEXT Display

In this unit, some special characters will not be displayed properly. These will be displayed as a space or a character resembling it. For details, refer to “Table 2 : CD-TEXT DISC Recorded Contents and Display”.

Table 1 : CD-TEXT TEST DISC TEXT Data Contents (TRACKS No. 1 to 41:Normal Characters)

TRACK

Displayed Contents

TRACK

Displayed Contents

No.

No.

 

 

1

1kHz/0dB/L&R

22

1kHz/-90dB/L&R

 

 

 

 

2

20Hz/0dB/L&R

23

Infinity Zero w/o emphasis//L&R

3

40Hz/0dB/L&R

24

Infinity Zero with emphasis//L&R

 

 

 

 

4

100Hz/0dB/L&R

25

400Hz+7kHz(4:1)/0dB/L&R

 

 

 

 

5

200Hz/0dB/L&R

26

400Hz+7kHz(4:1)/-10dB/L&R

 

 

 

 

6

500Hz/0dB/L&R

27

19kHz+20kHz(1:1)/0dB/L&R

 

 

 

 

7

1kHz/0dB/L&R

28

19kHz+20kHz(1:1)/-10dB/L&R

 

 

 

 

8

5kHz/0dB/L&R

29

100Hz/0dB/L*

 

 

 

 

9

7kHz/0dB/L&R

30

1kHz/0dB/L*

 

 

 

 

10

10kHz/0dB/L&R

31

10kHz/0dB/L*

 

 

 

 

11

16kHz/0dB/L&R

32

20kHz/0dB/L*

 

 

 

 

12

18kHz/0dB/L&R

33

100Hz/0dB/R*

 

 

 

 

13

20kHz/0dB/L&R

34

1kHz/0dB/R*

14

1kHz/0dB/L&R

35

10kHz/0dB/R*

15

1kHz/-1dB/L&R

36

20kHz/0dB/R*

16

1kHz/-3dB/L&R

37

100Hz Squer Wave//L&R

 

 

 

 

17

1kHz/-6dB/L&R

38

1kHz Squer Wave//L&R

18

1kHz/-10dB/L&R

39

1kHz w/emphasis/-0.37dB/L&R

 

 

 

 

19

1kHz/-20dB/L&R

40

5kHz w/emphasis/-4.53dB/L&R

 

 

 

 

20

1kHz/-60dB/L&R

41

16kHz w/emphasis/-9.04dB/L&R

 

 

 

 

21

1kHz/-80dB/L&R

 

 

NOTE : The contents of Track No. 1 to 41 are the same as those of the current TEST DISC-their titles are displayed.

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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 Checking Method CD-TEXT Test DiscRestrictions in CD-TEXT Display ′ μ Location of Parts and Controls Section GeneralFront Panel Section Disassembly CASE, Front PanelCD Mechanism Deck Section Audio BOARD, Main BoardBase Unit BD BOARD, Sled Motor M102Optical PICK-UP KSS-213B/S-N ADJ Mode Test ModeFluorescent Indicator TUBE, LED ALL LIT, and KEY Check Mode Aging Mode Fluorescent Indicator Tube and LED Check ModeShipment Mode Set to this mode when returning the unit to the userError Display Aging procedureError code 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 LC78622EMain Board IC201 LA5602 IC103 LA6541 IC104 LC89170MIC203 LA5601 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 359 354 353358 356 354 351 355360 357 409406 404 403 Optical Pick UP Section KSS-213B/S-N405 407 401 408 402 406 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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