Sony CDP-CE575 service manual Main Board IC301 CXP84648-085Q System Controller

Page 34

CDP-CE575

•MAIN BOARD IC301 CXP84648-085Q (SYSTEM CONTROLLER)

Pin No.

 

Pin Name

I/O

 

Description

 

 

 

 

 

 

 

1 to 4

 

A3 to A6

O

Address signal output to the static RAM (IC302)

 

5

 

GND

—

Ground terminal

 

 

 

 

 

 

 

 

 

6 to 13

 

D0 to D7

I/O

Two-way data bus with the static RAM (IC302)

 

 

 

 

 

 

 

14

 

CE

O

Chip select signal output to the static RAM (IC302)

 

 

 

 

 

 

 

 

15 to 18

 

NC

—

Not used (open)

 

 

 

 

 

 

 

 

19

 

WE

O

Write enable signal output to the static RAM (IC302)

 

 

 

 

 

 

20

LOAD OUT

O

Loading motor (M10) drive signal output to the BA6780 (IC11)

 

 

 

 

 

 

21

 

LOAD IN

O

Loading motor (M10) drive signal output to the BA6780 (IC11)

 

 

 

 

 

 

22

 

FL CLK

O

Serial data transfer clock signal output to the FL driver (IC801)

 

 

 

 

 

 

 

23

 

FL DATA

O

Serial data output to the FL driver (IC801)

 

 

 

 

 

 

 

 

24

 

FL RST

O

Reset signal output to the FL driver (IC801)

 

 

 

 

 

 

 

 

25 to 27

A13, A14, A7

O

Address signal output to the static RAM (IC302)

 

 

 

 

 

 

 

 

28

 

DSENS

I

Detect signal input from the disc sensor (D11)

 

 

 

 

 

 

 

 

 

29

 

NC

—

Not used (open)

 

 

 

 

 

 

 

 

30

 

RST

I

System reset signal input from the reset signal generator (IC603) “L”: reset

 

For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

 

 

 

 

 

 

 

 

 

 

 

 

31

 

EXTAL

I

Main system clock input terminal (10 MHz)

 

 

 

 

 

 

 

32

 

XTAL

O

Main system clock output terminal (10 MHz)

 

 

 

 

 

 

 

 

33

 

VSS

—

Ground terminal

 

 

 

 

 

 

 

 

34

 

TX

O

Sub system clock output terminal

Not used (open)

 

 

 

 

 

 

35

 

TEX

I

Sub system clock input terminal

Not used (fixed at “L”)

 

 

 

 

 

 

36

 

AVSS

—

Ground terminal (for A/D converter)

 

 

 

 

 

 

 

37

 

AVREF

I

Reference voltage input terminal (+5V)

 

 

 

 

 

 

 

 

38

 

NC

—

Not used (open)

 

 

 

 

 

 

 

 

39

 

VERSION

I

Model Destination setting terminal

 

 

 

 

 

 

 

 

40

 

ADJ

I

Setting terminal for the test mode

 

 

 

 

 

 

 

 

 

41

 

KEY4

I

Key input terminal (A/D input) (S941 to S845)

FADER, PEAK SEARCH, CLEAR, CHECK,

 

EDIT keys input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42

 

KEY3

I

Key input terminal (A/D input) (S831 to S838)

DISC 5, DISC 4, DISC 3, DISC 2, DISC 1,

 

CONTINUE, SHUFFLE, PROGRAM keys input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43

 

KEY2

I

Key input terminal (A/D input) (S821 to S827)

MEGA CONTROL, X-FADER NO DELAY,

 

MENU, m(AMS–), M(AMS+), TIME/TEXT, REPEAT keys input

 

 

 

 

 

 

 

 

 

 

 

44

 

KEY1

I

Rotary encoder key input terminal (A/D input) (S801, S811 to S815) lAMS L(DISC)

 

PUSH ENTER, H, X, s, EX-CHANGE, DISC SKIP keys input

 

 

 

 

 

 

 

 

 

 

 

 

45

 

NC

—

Not used (open)

 

 

 

 

 

 

 

 

46

 

TSENS

I

Detect signal input from the table sensor (D10)

 

 

 

 

 

 

47

 

FLT

O

Serial data latch pulse output to the FL driver (IC801)

 

 

 

 

 

48

 

CLK

O

Serial data transfer clock signal output to the CXD2587Q (IC101)

 

 

 

 

 

 

 

49

 

NC

O

Not used (open)

 

 

 

 

 

 

 

 

50

 

DATA

O

Serial data output to the CXD2587Q (IC101)

 

 

 

 

 

 

51

 

SQCK

O

Sub-code Q data reading clock signal output to the CXD2587Q (IC101)

 

 

 

 

 

52

 

SQSO

I

Sub-code Q data signal input from the CXD2587Q (IC101)

 

 

 

 

 

 

 

53

 

NC

—

Not used (open)

 

 

 

 

 

 

 

54

 

SENSE

I

Internal status (SENSE) signal input from the CXD2587Q (IC101)

 

 

 

 

 

 

 

55

 

NC

I

Not used (fixed at “H”)

 

 

 

 

 

 

 

56

 

RMIN

I

Remote control signal input from the remote control receiver (IC802)

 

 

 

 

 

 

 

 

34

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Contents 929-586-12 SpecificationsNEW Diagrams Table of ContentsDisassembly CDP-CE575CDP-CE575 Section Servicing Notes HOW to Open the Disc Table When Power Switch Turns OFFFlexible Circuit Board Repairing ModelChecking Method Shipment ModeCD-TEXT Test Disc Restrictions in CD-TEXT DisplayÚ Û Ü Y ˙ 21h to 27h1kHz 0dB L&RD0h to C7h 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/DFluorescent Indicator TUBE, LED ALL LIT, and KEY Check Mode CDP-CE575 Section Test ModeADJ Mode ADJ Mode Special Function TableButtons and Corresponding Button Numbers Button Button Number or DisplayAging Mode Code No Status All mode Disc table Loading ModeDisc Table Mode Mechanism Deck Check ModeLoading Mode Rfdc Level Check Electrical AdjustmentsCurve Check Rfac Level CheckBalance Check Memo Circuit Boards Location Section Diagrams CDP-CE575Conductor Side Pattern face are indicated Parts face side Conductor Side See page 21 for Circuit Boards LocationSemiconductor Location 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 BoardIC802 Display BoardKeya Board 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 Case Section Section Exploded ViewsScrew +BVTP 3X8 TYPE2 N-S 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 BGround Terminal EB601 1-537-770-21 Terminal BOARD, Ground CDP-CE575 MainDiode InductorCDP-CE575 Main Power SW SensorENCODER, Rotary BU, Table Address Detect Accessories & Packing MaterialsItalian , Portuguese AEP 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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