• IC Block Diagrams – BD Board –

IC101

LA9241M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC1

LDS

LDD

 

BHI

PHI

 

LF2

 

VR

REFI

VCC2

FSS DRF

CE

DAT CL

CLK

DEF

 

 

 

 

 

 

64

63

62

 

61

60

 

59

 

58

57

56

55 54 53 52 51 50

49

 

 

 

 

 

 

APC

 

 

RF DET

 

 

REF

 

 

 

 

 

 

 

48

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47

TBC

 

 

FIN2

1

 

 

 

VCA

 

 

 

 

 

 

 

 

 

 

 

 

 

46

FSC

 

 

FINI

2

I / V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

DGND

 

 

 

 

 

 

 

 

 

 

 

-COM

 

 

 

 

LSC

 

 

F

4

 

 

BAL

VCA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERFACE

 

 

 

 

 

44

SLI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+ -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TB

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43

SLC

 

 

TE-

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+ -

 

42

RFS-

 

 

 

+

TE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TE

7

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

RFSM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

CV+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TESI

8

 

T. SERVO & T. LOGIC

 

 

 

 

 

 

 

 

 

 

 

 

 

39

CV-

 

 

SCI

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

SLOF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TH

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

37

HFL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

TES

 

 

TA

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

TOFF

 

 

TD-

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

TGL

 

 

- +

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F. SERVO & F. LOGIC

 

SPINDLE SERVO

SLED SERVO

 

33

JP+

 

 

TD

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JR

14

 

 

 

 

 

- +

+ -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

+ -

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

TO

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FD

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

20

21 22

23 24

25

26 27

28

29

30 31 32

 

 

 

 

 

 

 

 

FD-

FA

FA-

FE

FE-

AGND

SP

SPI

SPG

SP-

SPD

SLEQ

SLD

SL- SL+

JP-

 

 

 

IC102

LC78622E

 

 

 

 

 

 

 

 

 

 

COCK COIN SQOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST1

CS

TEST5

4.2M

16M

TEST1

RES

RWC

WRQ FSX

 

 

SBCK

SFSY

PW

 

 

 

 

 

 

 

64

63

62

61

60

59 58 57 56 55 54 53 52

 

 

51

50

49

DEFI

1

 

SLICE LEVEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUBCODE CLASSIFICATION

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QCRC

 

SYNCRONOUS DETECTION

EFM DEMODULATION

TAI

2

VCO CLOCK OSCILLATION

 

 

 

 

 

 

 

 

 

CLOCK CONTROL

 

 

 

 

 

 

 

PDO

3

 

COM

 

 

 

 

 

 

 

INTERFACE

 

 

 

 

 

 

 

 

 

 

 

 

 

48

EFLG

 

 

 

 

 

 

 

 

VVSS

4

 

 

 

 

 

 

47

SBSY

 

C1, C2

 

 

 

 

46

XVSS

ISET

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

ERROR DETECTION

 

 

XTAL

45

XIN

 

 

 

 

 

VVDD

6

 

&

 

TIMING GENERATOR

44

XOUT

FR

7

 

CORRECTION

 

 

 

 

 

 

 

FLAG PROTCESS

 

 

 

 

 

 

VSS

8

 

 

 

 

 

 

 

 

 

 

 

2K x 8BIT

 

 

EFMO

9

 

 

 

 

 

 

 

 

 

 

RAM

 

 

 

EFMIN

10

SERVO

MUTE

 

 

 

 

 

 

 

 

COMMANDER

 

 

RAM ADDRESS

43

XVDD

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST2

11

 

 

 

 

GENERATOR

 

 

 

 

 

DIGITAL

 

 

 

 

42

MUTER

 

 

 

 

 

 

 

41

RVDD

CLV+

12

 

ATTENUATOR

 

 

 

 

CLV

 

 

 

 

40

RCHO

 

 

 

 

 

 

 

CLV-

13

DIGITAL SERVO

OVERSAMPLING

 

 

1BIT DAC

L.P.F

39

RVSS

 

 

 

38

LVSS

 

 

 

DIGITAL FILTER

 

 

 

 

V / P

14

 

 

 

 

 

 

37

LCHO

 

 

 

 

 

 

36

LVDD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

MUTEL

HFL

15

 

 

 

 

 

 

34

N.C

TES

16

 

GENERAL PORT

 

 

DIGITAL OUT

33

TEST4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17 18 19 20 21 22 23 24 25 26 27 28

29

30

31

32

 

 

 

 

TOFF TGL JP+ JP- PCK

FSEQ VDD CONT1 CONT2 CONT3 CONT4 CONT5

EMPH

CF2

DOUT

TEST3

 

 

– 46 –

Page 36
Image 36
Technicolor - Thomson CDP-CX57 service manual IC Block Diagrams BD Board IC101 LA9241M, IC102 LC78622E

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.