Technicolor - Thomson CDP-CX57 IC PIN Function Description, Pin No Pin Name Function

Page 39

7-12. IC PIN FUNCTION DESCRIPTION

• BD BOARD IC101 LA9241M (RF AMPLIFIER, FOCUS/TRACKING/SLED SERVO)

Pin No.

Pin Name

I/O

Function

 

 

 

 

 

 

1

FIN2

I

Signal input (B+D) from the optical pick-up detector

 

Added with FIN1 to create RF signal, subtracted with FIN1 to create focus error signal

 

 

 

 

 

 

 

 

2

FIN1

I

Signal input (A+C) from the optical pick-up detector

 

 

 

 

 

 

3

E

I

Signal input (E) from the optical pick-up detector

 

Subtracted with F to create tracking error signal

 

 

 

 

 

 

 

 

 

 

4

F

I

Signal input (F) from the optical pick-up detector

 

 

 

 

 

5

TB

I

Tracking error signal input for the tracking balance adjustment

 

 

 

 

 

6

TE–

I

Tracking error signal (invert signal) input terminal

 

 

 

 

 

 

7

TE

O

Tracking error signal output terminal

 

 

 

 

 

 

8

TESI

I

TES (Track Error Sense) comparator input terminal

 

Tracking error signal is band-passed and input

 

 

 

 

 

 

 

 

 

 

9

SCI

I

Shock detection input terminal

 

 

 

 

 

10

TH

I

Time constant setting terminal for the tracking gain adjustment

 

 

 

 

 

11

TA

O

TA amplifier output terminal

 

 

 

 

 

12

TD–

I

Creates a tracking phase compensation constant between TD (pin ) and VR (pin ) pins

 

 

 

 

 

13

TD

O

Setting terminal for the tracking phase compensation

 

 

 

 

 

14

JP

I

Setting terminal for the tracking jump signal (kick pulse) amplitude

 

 

 

 

15

TO

O

Tracking coil (2-axis device) drive signal output to the LA6541 (IC103), and sled motor drive

signal output terminal

 

 

 

 

 

 

 

 

 

16

FD

O

Focus coil (2-axis device) drive signal output to the LA6541 (IC103)

 

 

 

 

17

FD–

I

Creates a focusing phase compensation constant between FD (pin ) and FA (pin ) pins

 

 

 

 

18

FA

O

Creates a focusing phase compensation constant between FD– (pin ) and FA– (pin ) pins

 

 

 

 

19

FA–

I

Creates a focusing phase compensation constant between FA (pin ) and FE (pin ) pins

 

 

 

 

 

20

FE

O

Focus error signal output terminal

 

 

 

 

 

 

21

FE–

I

Focus error signal (invert signal) input terminal

 

 

 

 

 

 

22

AGND

Ground terminal (analog system)

 

 

 

 

 

23

SP

O

Single end output of the CV+ (pin ) and CV– (pin ) pins signal

 

 

 

 

 

24

SPI

I

Spindle amplifier input terminal (invert input)

 

 

 

 

 

25

SPG

I

Gain setting resistor is connected when the spindle 12 cm mode

 

 

 

 

26

SP–

I

Works together with the SPD (pin ) to connect to the spindle phase compensation constant

 

 

 

 

27

SPD

O

Spindle motor (M101) drive signal output to the LA6541 (IC103)

 

 

 

 

 

28

SLEQ

I

Sled phase compensation constant is connected

 

 

 

 

 

29

SLD

O

Sled motor (M102) drive signal output to the LA6541 (IC103)

 

 

 

 

30

SL–

I

Sled feeding signal input from the system controller (IC501)

 

 

 

 

31

SL+

I

Sled feeding signal input from the system controller (IC501)

 

 

 

 

 

32

JP–

I

Tracking jump control signal input from the DSP (IC102)

 

 

 

 

 

 

33

JP+

I

Tracking jump control signal input from the DSP (IC102)

 

 

 

 

 

 

34

TGL

I

Tracking gain control signal input from the DSP (IC102)

Gain becomes low when TGL is “H”

 

 

 

 

 

35

TOFF

I

Tracking off control signal input from the DSP (IC102)

 

Tracking becomes off when TOFF is “H”

 

 

 

 

 

 

 

 

 

 

36

TES

O

Tracking error signal output to the DSP (IC102)

 

 

 

 

 

37

HFL

O

Tracking detection signal output to the DSP (IC102) HFL (High Frequency Level) is used to

determine whether the main beam is positioned on a pit or a mirror

 

 

 

38

SLOF

I

Sled servo off control signal input from the DSP (IC102)

Rough servo/phase control automatic

switching monitor input “H”: rough servo, “L”: phase servo

 

 

 

 

 

 

 

 

39

CV–

I

CLV error signal input from the DSP (IC102)

 

 

 

 

 

 

– 49 –

Image 39
Contents OUT SpecificationsLine OUT DigitalExcept for the customers in the United States and Canada Table of ContentsMechanical Adjustments Section Servicing NotesSafety CHECK-OUT CD-TEXT Test Disc Checking MethodRestrictions in CD-TEXT Display ′ μ Section General Location of Parts and ControlsFront Panel CASE, Front Panel Section DisassemblyAudio BOARD, Main Board CD Mechanism Deck SectionBD BOARD, Sled Motor M102 Base UnitOptical PICK-UP KSS-213B/S-N Test Mode ADJ ModeFluorescent Indicator TUBE, LED ALL LIT, and KEY Check Mode Set to this mode when returning the unit to the user Aging ModeFluorescent Indicator Tube and LED Check Mode Shipment ModeAging procedure Error DisplayError code Disc Sensor Aligment Section Mechanical AdjustmentsFlat portion center Disc Holder a Aligment Magnet Assy AligmentBalance Traverse Check Section Electrical AdjustmentsCurve Check RF Level CheckAbout RV601 on the Main board RF PLL Free-run Frequency CheckAdjustment Location Circuit Boards Location Section DiagramsSingapore model Diaplay Section IC101 $Á Rfsm Play ModeWaveforms BD Section Main 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 LA9241MIC103 LA6541 IC104 LC89170M Main Board IC201 LA5602IC203 LA5601 Display Board IC903 M66310FP IC601 BA6780Pin No Pin Name Function IC PIN Function DescriptionSLC CV+Rfsm RFSVvdd DefiVvss IsetEflg XvddXvss SbsyTblr ResetLdin TbllSENS1 SclkSrdt Dqsy4948-515-1 Illumination Assy SectionExploded Views Case Section66 A-4724-009-A Display BOARD, Complete Front Panel SectionChassis Section Mechanism Deck CDM-46C2 354 351 355 359 354 353358 356360 357 Optical Pick UP Section KSS-213B/S-N 409406 404 403405 407 401 408 402 406 Section Electrical Parts List Audio Transformer SwitchCeramic Chip Ceramic Chip 2PFDisc Sensor R Disc Sensor S Display Ferrite Bead LED MainMain Motor Power SW Table Sensor Hardware List Accessories & Packing MaterialsCORD, Connection Control A1 CND MANUAL, Instruction SWEDISH, FINNISH, Danish AEDSony 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.

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