Sony D-E990 Manual de usuario

MICROFILM

SERVICE MANUAL

SPECIFICATIONS

System

Compact disc digital audio system

Laser diode properties

Material: GaAlAs

Wavelength: λ= 780 nm

Emission duration: Continuous

Laser output: Less than 44.6 µW

(This output is the value measured at a distance

of 200 mm from the objective lens surface on

the optical pick-up block with 7 mm aperture.)

D-A conversion

1-bit quartz time-axis control

Frequency response

20 - 20,000 Hz

–2

dB (measured by EIAJ CP-

307)

Output (at 4.5 V input level)

Line output (stereo minijack)

Output level 0.7 V rms at 47 kilohms

Recommended load impedance over 10

kilohms

Headphones (stereo minijack)

Approx. 5 mW + Approx. 5 mW at 16 ohms

(Approx. 3 mW +Approx. 3 mW at 16 ohms)*

*For the customers in France

Optical digital output (optical output connector)

Output level: –21 - –15 dBm

Wavelength: 630 - 690 nm at peak level

Power requirements

For the area code of the model you

purchased, check the upper left side of the

bar code on the package.

• Two Sony NH-14WM rechargeable batteries:

2.4 V DC

• Two LR6 (size AA) batteries: 3V DC

• AC power adaptor (DC IN 4.5 V jack):

model:US/Canadian 120 V, 60 Hz

AEP/E13 model: 220 - 230 V, 50/60 Hz

UK model: 230 - 240 V, 50 Hz

Tourist/E33 model: 100 - 240 V, 50/60 Hz

Hong Kong model: 220V, 50/60 Hz

Chinese model: 220 V, 50 Hz

• Sony DCC-E245 car battery cord for use on

car battery: 4.5 V DC

Battery life* (approx. hours)

(When you use the CD player on a flat and stable

surface.)

Playing time varies depending on how the CD

player is used.

Two NH-14WM 25

(charged for

about 4 hours**)

Battery case (two 40

alkaline batteries)

Rechargeable batteries 62

NH-14WM and battery

case (two alkaline

batteries)

* Measured value by the standard of EIAJ

(Electronic Industries Association of Japan).

** Charging time varies depending on how the

rechargeable battery is used.

Operating temperature

5°C - 35°C (41°F - 95°F)

Dimensions (w/h/d) (excluding

projecting parts and controls)

Approx. 127.2 ×19 ×130.1 mm

⁄

×5

⁄

in.)

Mass (excluding rechargeable

batteries)

Approx. 167.5 g (6.0 oz)

Supplied accessories

AC power adaptor (1)

Headphones/earphones with remote control (1)

Rechargeable batteries (2)

Battery carrying case (2)

Carrying case (1)

Battery case (1)

AC plug adaptor (1)*

* Supplied with Tourist and E33 models

Design and specifications are subject to change

without notice.

• Abbreviation

E13: 220 - 230 V AC area in E model

E33: 100 - 240 V AC area in E model

PORTABLE CD PLAYER

D-E990/EJ915

Photo: D-E990

US Model

Canadian Model

AEP Model

UK Model

E Model

Chinese Model

D-EJ915

Tourist Model

D-E990

Model Name Using Similar Mechanism NEW

CD Mechanism Type US : CDM-3022EBG

Other: CDM-3022EBA

Optical Pick-Up Name US : DAX-22EG

Other: DAX-22E

Ver 1.0 1999. 10

D-E990/EJ915

– 19 – – 20 – – 21 – – 22 –

5-5. SCHEMATIC DIAGRAM • See page 15 for Waveforms. •See page 23 for IC Block Diagrams.

Note on Schematic Diagram:

• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

• All resistors are in Ωand 1/4W or less unless otherwise

specified.

• % : indicates tolerance.

•C: panel designation.

•U: B+ Line.

• Powervoltageis dc4.5 V and fedwith regulateddc power

supply from DC IN jack (J401).

• Voltages and wavefor ms are dc with respect to ground in

playback mode.

no mark : CD PLAY

• Voltagesaretaken witha VOM (Inputimpedance 10 MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-

tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

J: CD PLAY (ANALOG OUT)

c: CD PLAY (OPTICAL OUT)

• Abbreviation

FR : French model

Note:

The components identi-

fied by mark 0or dotted

linewith mark0are criti-

cal for safety.

Replace only with part

number specified.

Note:

Lescomposants identifiés par

une marque 0sont critiques

pour la sécurité.

Ne les remplacer que par une

pièce portant le numéro

spécifié.

(US)

(EXCEPT US)

– 23 – – 24 – – 25 – – 26 –

• IC Block Diagrams

IC351 TA2120FN (EL)

IC402 MPC17H71MTAEL

–

23 20 19 18 17 16 15 14 13

234 5 678910 11 12

BIAS BEEP

ALC

DET

ATT

PWC

OUT B OUT A

BEEP

BST

ADD

OUT

RF IN PWC

OUT B OUT C OUT A PWR

GND

MIX

OUT

ALC

DET

ATT

IN AIN BGND

BIAS

BST

OUT

VCC

ADD

ALC ALC

MODE CONTROL ROTATION

DETECTOR

MODE CLOCK REGULATOR

HOLD PWM REGULATOR

MODE TIME REGULATOR

CLOCK DIVIDER

STATE MACHINE

STARTUP PATTERN

GENERATOR

PATTERN REGULATOR

SEQUENCER

CPU INTERFACE

SERIAL PORT

PARALLEL

INTERFACE

OPERATION MODE

REGULATOR

TEST MODE REGULATOR

PREDRIVER

FEEDBACK PATTERN

GENERATOR

BEMF

SEPARATOR

OVERFLOW REGULATOR

PHASE DELAY

REGULATOR

FEEDBACK RESISTOR

PHASE

DECODER

PWM

DECODER

SYNC

PWM

POL

TEST

RST

DATA

LTCH

CLK

AGND

OEB

VDU

PGDUV V

VDVW

PGDW

DGND

BEMF

DETECT

COM

TST0

TST1

TST2

TST3

IC401 MPC17A52ZFTA IC601 CXD3027R

21 22 232019

71 70 69 6872

PREDRIVER

H BRIDGE ON

SYSTEM

CONTROL,

INPUT/OUTPUT

CONTROLLER

VC VC

VGDCINVC

VIN

VC VG

VIN VIN

DCIN

D1 (DRV MUTE)

25 26 27 2824 29 30 31 32 33 34 35 36

PREDRIVER

CLOCK

CONTROLLER

SWITCHING

POWER

CIRCUIT 2

SWITCHING

POWER

CIRCUIT 3

BAND GAP

REFERENCE

SUB

REFERENCE

PRE-

DRIVER

DOWN SIDE

PRE-DRIVER

DOWN SIDE

PRE-DRIVER

UP SIDE

PRE-DRIVER

UP SIDE

PRE-DRIVER

SAW TOOTH

WAVEFORM

OCCURRENCE

CIRCUIT

LINEAR, CONSTANT

CURRENT, CONSTANT

VOLTAGE CHARGING

BATTERY CHARGE CIRCUIT

SWITCHING POWER

CIRCUIT 1

CHARGING BATTERY

VOLTAGE DETECTOR

CIRCUIT

LINEAR REGULATOR

POWER CIRCUIT

67 66 65 64 63 62 61 60 59 58 57 56 55

LOW VOLTAGE DETECTOR

HPI2

HPOUT2

HPOUT1

VHP

VD3

VD23

RO2

MGND2

FO2

VD12

RO1

MGND1

FO1

VD1

RO3

FO3

MGND3

HPGND

VLG3

RF21

PAPC

APCREF

VREF

RF2

INM2

GND

SYNC

WAKEUP

CLOCK

DATA

LATCHC

FI3

RI3

HPI1

FI1

RI1

FI2

RI2

CHGSW

INM4

RF4

DCIN

VCP

RSTB

MODE1

MODE2

DTC2D

DTC1D

INM1

RF1

INP1

CHGMNT

BATM2

BATM1

VLG1O

L1L

PGND1

L1H

VIN

L2H

PGND2

L2L

VLG2O

PGND3

DTC3

RF3

INM3

D2 (H BRIDGE/HEADPHONE)

D3 (HPON)

ERROR

CORRECTOR

32K

RAM

EFM

DEMODULATOR

SUB CODE

PROCESSOR

SERVO

AUTO

SEQUENCER

D/A

INTERFACE

VIBRATION

MEMORY

CONTROLLER

COMPRESSION

EXPANDER

DAC

SELECTOR

DIGITAL

OUT

ASYMMETRY

CORRECTOR

DIGITAL

PLL

DIGITAL

CLV

CPU

INTERFACE

OP AMP

ANALOG SWITCH

SERVO BLOCK

SIGNAL

PROCESSOR

BLOCK

MEMORY CONTROLLER,

BUS BOOST BLOCK

A/D

CONVERTER

SERVO

INTERFACE

SERVO DSP

FOCUS SERVO

SLED SERVO

TRACKING

SERVO

CLOCK

GENERATOR

LPF

MIRR

DFCT

FOK

PWM GENERATOR

FOCUS PWM

GENERATOR

SLED PWM

GENERATOR

TRACKING PWM

GENERATOR

31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

XOE

A0 – A11

SYSM

AMUTE

HPL

HPM

HPR

PCMDI

LRCKI

BCKI

AOUT1

AIN1

LOUT1

LOUT2

AIN2

AOUT2

DVSS

RFAC

XTAO

XTAI

XTSL

VCTL

VPCO

WFCK

GFS

XUGF

MDS

C2PO

WDCK

BIAS

ASYI

ASYO

FILO

FILI

PCO

PWMI

LOCK

MDP

SDTI

SCSY

SCOR

SBSO

EXCK

SDTO

XLAT

CLOK

SENS

XSOE

R4M

IGEN

VDD0

COUT

MIRR

DFCT

FOK

PWMI

LOCK

HPR

HPM

HPL

VDD1

C176

MDP

MDS

SSTP

SFDR

SRDR

TFDR

TRDR

FFDR

FRDR

FFDR

TRDR

TFDR

SRDR

SFDR

SCLK

ATSK

SSTP

COUT

FOK

DFCT

MIRR

VSS1

TEST

TES1

AVDD0

IGEN

AVSS0

RFDC

120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91

XOE

XCAS

XWE

XRAS

A11

A10

DVDD

AVDD2

LOUT2

AIN2

AOUT2

AVSS2

AVSS1

AOUT1

AIN1

LOUT1

AVDD1

XVSS

XTAO

XTAI

XVDD

BCKI

XOE

XCAS

XWE

XRAS

A11

A10

DVDD

AVDD2

LOUT2

AIN2

AOUT2

AVSS2

AVSS1

AOUT1

AIN1

LOUT1

AVDD1

XVSS

XTAO

XTAI

XVDD

BCKI

VDD0

COUT

MIRR

DFCT

FOK

PWMI

LOCK

HPR

HPM

HPL

VDD1

MDP

MDS

SSTP

SFDR

SRDR

TFDR

TRDR

FFDR

FRDR

VSS1

A VDD

A GND

D VDD

AVDD0

IGEN

AVSS0

RFDC

CLTV

XPCK

XWRE

XRDE

XEMP

XWIH

XQOK

AMUTE

SDTI

XQCK

SCSY

SCOR

VSS0

SBSO

EXCK

XRST

SYSM

SDTO

XLAT

CLOK

SENS

SCLK

XSOE

ATSK

R4M

DVSS

XWRE

XRDE

XEMP

XWIH

XQOK

AMUTE

SDTI

SCSY

SCOR

VSS0 D GND

SBSO

EXCK

SYSM

SDTO

XLAT

CLOK

SENS

SCLK

XSOE

ATSK

R4M

BCK

PCMDI

PCMD

LRCKI

LRCK

DOUT

VDD2

WFCK

C2PO

GFS

XPCK

XUGF

WDCK

VSS2

XTSL

AVDD3

ASYO

ASYI

BIAS

RFAC

AVSS3

CLTV

PCO

FILI

FILO

VCTL

VPCO

BCK

PCMDI

PCMD

LRCKI

LRCK

DOUT

VDD2

WFCK

C2PO

GFS

XPCK

XUGF

WDCK

VSS2

XTSL

AVDD3

ASYO

ASYI

BIAS

RFAC

AVSS3

CLTV

PCO

FILI

FILO

VCTL

VPCO

XCAS

D0 – D4

XWE

BCK

PCMD

LRCK

DOUT

XWRE

XRAS

XRDE

XQOK

XWIH

XEMP

IC602 MSM51X17400D-10TFSR1

IC802 CXD751-103R

ON CHIP

VBB GENERATOR

TIMING

GENERATOR TIMING

GENERATOR

REFRESH

CONTROL CLOCK

INTERNAL

ADDRESS

COUNTER

COLUMN

ADDRESS

BUFFER

11 COLUMN

DECODER

ROW

ADDRESS

BUFFER

ROW

DECODER

WORD

DRIVER

WRITE

CLOCK

GENERATOR

4 4

115

11 11

MEMORY

CELLS

SENS

AMPLIFIER

I/O

SELECTOR

OUTPUT

BUFFER

4 4

INPUT

BUFFER

VCC

DQ1

DQ2

XWE

XRAS

A10

VCC

DQ4

VSS

DQ3

XCAS

XOE

VSS

BIT

SELECT

SERIAL

PARALLEL

CONVERTER

TSB

SIGNAL

ENCODER

DECODER

24 23 22 21 20 19 18 17

1 2 3 4 5 6 7 8

PO26

PO27

VSS2

TSB

SEL22

SEL20

VSS0

XLT2

SO2

SCK2

REQ

SEL21

XLT

SCK

1SI

VDD0

VSS1

RST

MCLK

BUSY

PO25

PO24

PO23

VSS3

VDD1

PO22

PO21

PO20

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