Sony CDP-CE575 service manual IC PIN Function Description

Page 32

CDP-CE575

• Waveforms

 

 

– BD Board –

 

– MAIN Board –

1 IC101 ta (RFAC) (CD Play Mode)

6 IC101 w; (SCOR) (CD Play Mode)

qa IC301 es (XTAL)

 

5.2 Vp-p

 

1.3 Vp-p

 

 

 

13.4 ms

100 ns

2 IC101 rd (RFDC) (CD Play Mode)

7 IC101 yj (XTAO) (CD Play Mode)

– DISPLAY Board –

 

 

qs IC801 t; (OSCO)

1.4 Vp-p

 

5.9 Vp-p

59 ns

3 IC101 el (FE) (CD Play Mode)

508 ns

approx. 200 mVp-p

4IC101 ra (TE) (CD Play Mode)

approx. 400 mVp-p

5IC101 wh (MDP) (CD Play Mode)

2.7V

7.5∝ s

5 Vp-p

2.3 Vp-p

7-11. IC PIN FUNCTION DESCRIPTION

•BD BOARD IC101 CXD2587Q

(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER)

Pin No.

Pin Name

I/O

 

 

Description

 

 

 

 

 

 

 

1

SQSO

O

Subcode Q data output to the system controller (IC301)

 

 

 

 

 

2

SQCK

I

Subcode Q data reading clock signal input from the system controller (IC301)

 

 

 

 

3

XRST

I

System reset signal input from the system controller (IC301) “L”: reset

 

 

 

 

 

4

SYSM

I

Analog line muting on/off control signal input terminal

“H”: line muting on

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

DATA

I

Command serial data input from the system controller (IC301)

 

 

 

 

 

 

6

XLAT

I

Command latch pulse input from the system controller (IC301)

 

 

 

 

 

7

CLOK

I

Command serial data transfer clock signal input from the system controller (IC301)

 

 

 

 

 

8

SENS

O

Internal status monitor output to the system controller (IC301)

 

 

 

 

 

9

SCLK

I

SENSE serial data reading clock input from the system controller (IC301)

 

 

 

 

 

 

 

10

VDD

—

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

 

 

 

 

 

 

 

 

 

 

 

11

ATSK

I/O

Input pin for anti-shock

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

12

SPOA

I

Microcomputer escape interface input A terminal

Not used (fixed at

“L”)

 

 

 

 

 

 

13

SPOB

I

Microcomputer escape interface input B terminal

Not used (fixed at

“L”)

 

 

 

 

 

 

14

XLON

O

Microcomputer escape interface output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

15

WFCK

O

WFCK output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

16

XUGF

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

XPCK

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

GFS

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

C2PO

O

Not used (open)

 

 

 

 

 

 

 

 

 

20

SCOR

O

Subcode sync (S0+S1) detection signal output to the system controller (IC301)

 

 

 

 

 

21

COUT

I/O

Numbers of track counted signal input/output terminal

Not used (open)

 

 

 

 

 

 

 

22

MIRR

I/O

Mirror signal input/output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

23

DFCT

I/O

Defect signal input/output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

24

FOK

I/O

Focus OK input/output terminal Not used (open)

 

 

 

 

 

 

 

 

25

LOCK

I/O

GFS is sampled by 460 Hz “H” when GFS is “H” Not used (open)

 

 

 

 

 

26

MDP

O

Spindle motor (M101) servo drive signal output to the AN48005B (IC150)

 

 

 

 

 

 

 

27

SSTP

I

Limit in detect switch (S101) input terminal

 

 

 

 

 

 

 

 

28

SFDR

O

Sled servo drive PWM signal (+) output to the AN48005B (IC150)

 

 

 

 

 

 

29

SRDR

O

Sled servo drive PWM signal (–) output to the AN48005B (IC150)

 

 

 

 

 

30

TFDR

O

Tracking servo drive PWM signal (+) output to the AN48005B (IC150)

 

 

 

 

31

TRDR

O

Tracking servo drive PWM signal (–) output to the AN48005B (IC150)

 

 

 

 

 

32

FFDR

O

Focus servo drive PWM signal (+) output to the AN48005B (IC150)

 

 

 

 

 

 

33

FRDR

O

Focus servo drive PWM signal (–) output to the AN48005B (IC150)

 

 

 

 

 

 

 

 

 

34

VSS

—

Ground terminal (digital system)

 

 

 

 

 

 

 

 

 

 

 

35

TEST

I

Input terminal for the test (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

36

TES1

I

Input terminal for the test (fixed at “L”)

 

 

 

 

 

 

 

 

37

XTSL

I

Input terminal for the system clock frequency setting

“L”: 45.1584 MHz, “H”: 22.5792 MHz

(fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

VC

I

Middle point voltage (+2.5V) input from the CXA2581N (IC131)

 

 

 

 

 

 

 

39

FE

I

Focus error signal input from the CXA2581N (IC131)

 

 

 

 

 

 

 

 

40

SE

I

Sled error signal input from the CXA2581N (IC131)

 

 

 

 

 

 

 

41

TE

I

Tracking error signal input from the CXA2581N (IC131)

 

 

 

 

 

 

42

CE

I

Command chip enable signal input from the CXA2581N (IC131)

 

 

 

 

 

 

 

 

 

 

32 32

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Contents NEW Specifications929-586-12 Table of Contents DisassemblyDiagrams CDP-CE575HOW to Open the Disc Table When Power Switch Turns OFF Flexible Circuit Board RepairingCDP-CE575 Section Servicing Notes ModelShipment Mode CD-TEXT Test DiscChecking Method Restrictions in CD-TEXT Display21h to 27h1kHz 0dB L&R D0h to C7hÚ Û Ü Y ˙ Áà â ã ä å æ çFront Panel CDP-CE575 Section GeneralRemote Control CDP-CE575 Section Disassembly Disassembly FlowFront Panel Section CD Mechanism Deck CDM59-5BD27 Main BoardBase Unit BU-5BD27 Table AssySensor Board Loading Motor BoardCDP-CE575 Section Assembly Adjusting Phase of Swing Gear and Gear U/DCDP-CE575 Section Test Mode ADJ ModeFluorescent Indicator TUBE, LED ALL LIT, and KEY Check Mode ADJ Mode Special Function TableButtons and Corresponding Button Numbers Button Button Number or DisplayAging Mode Code No Status All mode Disc table Loading ModeLoading Mode Mechanism Deck Check ModeDisc Table Mode Electrical Adjustments Curve CheckRfdc Level Check Rfac Level CheckBalance Check Memo Conductor Side Pattern face are indicated Parts face side Section Diagrams CDP-CE575Circuit Boards Location See page 21 for Circuit Boards Location Semiconductor LocationConductor Side Ref. No. Location IC101 IC131 IC150 Q131 Q132TP Rfdc Table Sensor CDP-CE575 Schematic Diagram Main /2 See page 32 for Waveform Schematic Diagram Main /2 Main Board Headphone BoardIC Block Diagrams BD Board Junction BoardKeya Board Display BoardIC802 Schematic Diagram Display Section See page 32 for Waveform IC PIN Function Description DescriptionPin No Pin Name Description Main Board IC301 CXP84648-085Q System Controller XLT Screw +BVTP 3X8 TYPE2 N-S Section Exploded ViewsCase Section Not supplied Supplied with headphone board J881 Chassis Section 101 102506 510 553 551 BU, Table Address DetectBase Unit Section BU-5BD27 609 601CDP-CE575 Section Electrical Parts List CDP-CE575 BD Display CDP-CE575 Display Headphone Junction Loading Motor Main KEY a KEY BCDP-CE575 Main DiodeGround Terminal EB601 1-537-770-21 Terminal BOARD, Ground InductorCDP-CE575 Main Power SW SensorItalian , Portuguese AEP Accessories & Packing MaterialsENCODER, Rotary BU, Table Address Detect Revision History

CDP-CE575 specifications

The Sony CDP-CE575 is an exemplar of a high-quality CD player that combines classic design with advanced technology, making it a worthy addition to any audio enthusiast's collection. Launched in the 1990s, this piece of equipment showcases Sony's commitment to outstanding sound reproduction and user-friendly features.

One of the defining features of the CDP-CE575 is its capability to play standard CDs, alongside CD-R and CD-RW discs. This versatility allows users to enjoy a broad range of audio formats, catering to both classic disc collections and customized compilations. Additionally, the player supports a 5-disc carousel, enabling seamless transitions between multiple CDs, fostering an uninterrupted listening experience.

In terms of sound quality, the CDP-CE575 employs a high-precision digital-to-analog converter (DAC), which significantly enhances audio fidelity. This technology ensures that the subtleties in recordings are faithfully reproduced, resulting in a rich and nuanced listening experience. The unit's frequency response and overall dynamic range are optimized to deliver crystal-clear sound across various genres, from classical orchestras to contemporary rock.

The CDP-CE575 incorporates several user-centric features that enhance its practicality. One noteworthy characteristic is its Remote Control capability, providing the convenience of operating the device from a distance. The player also includes a programmable memory which allows users to arrange the order of tracks as per their preference, making custom playlists an effortless endeavor.

Moreover, the CDP-CE575 showcases a well-engineered display panel that presents vital information at a glance, ensuring that users remain in control of their auditory journey. The unit's compact and sturdy design also makes it suitable for various setups, whether for home use or more professional environments.

In conclusion, the Sony CDP-CE575 stands out as a compelling choice for anyone seeking a reliable and high-quality CD player. With its combination of advanced technologies, user-friendly features, and a focus on audio fidelity, this model epitomizes Sony’s innovative spirit in the realm of home audio. Its legacy continues to resonate with audiophiles who appreciate the art of CD listening, making it a noteworthy candidate for those seeking both functionality and performance in their audio equipment.
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