Sony CDX-828 - Compact Disc Changer System Manuale utente

MICROFILM

SERVICE MANUAL

COMPACT DISC CHANGER

US Model

Canadian Model

AEP Model

UK Model

E Model

SPECIFICATIONS

CDX-828

Model Name Using Similar Mechanism CDX-805

CD Drive Mechanism Type MG-250C-137

Optical Pick-up Name KSS-521A/J2N

CDX-828

7-6. SCHEMATIC DIAGRAM – RF/SW Boards – • See page 39 forWaveforms. •See page 45 for IC Block Diagrams.

The components identified by mark !or dotted

line with mark !are critical for safety.

Replaceonly with partnumber specified.

Lescomposantsidentifiés par une marque!sont

critiques pour la sécurité. Ne les remplacer que

par une piéce portant le numéro spécifié.

– 27 – – 28 –

(Page 33)

CDX-828

– 33 – – 34 –

7-9. SCHEMATIC DIAGRAM – MAIN Board (1/3) – • See page 39 forWaveforms. •See page 46 for IC Block Diagrams.

(Page

28)

(Page 37)

CDX-828

– 35 – – 36 –

7-10. SCHEMATIC DIAGRAM – MAIN Board (2/3) – • See page 40 forWaveforms. •See page 47 for IC Block Diagrams.

(Page 38)

(Page 43)

CDX-828

– 37 – – 38 –

7-11. SCHEMATIC DIAGRAM – MAIN Board (3/3) – • See page 40 forWaveforms. •See page 47 for IC Block Diagrams.

(Page 34) (Page 35)

– 39 –

• Waveforms

– RF Board –

1IC11 #£ (RF O)

500 mV/DIV, 500 ns/DIV

2IC11 2(FEI)

50 mV/DIV, 1 µs/DIV

3IC11 $¶ (TEI)

200 mV/DIV, 500 µs/DIV

1.4 Vp-p

Approx.

110 mVp-p

Approx.

280 mVp-p

– MAIN Board (1/3) –

1IC101 @¶ (MDP)

2IC101 #§ (V16M)

3IC101 $ª (WDCK)

4IC101 %º (LRCK)

5IC101 %¢ (BCKO)

6.8 Vp-p

120 ns

6.6 Vp-p

11.4

6.6 Vp-p

22.7

6.6 Vp-p

472 ns

7IC101 &º (C4M)

8IC101 &¢ (WFCK)

9IC101 *ª (XTAI)

!º IC201 #¡ (EXTAL)

6IC101 ^™ (RFCK)

5.7 Vp-p

137

6.6 Vp-p

236 ns

5.5 Vp-p

137

3.3 Vp-p

59.2 ns

3.2 Vp-p

125 ns

2.5 Vp-p

7.6

– 40 –

– MAIN Board (2/3) –

!¡ IC603 4

!™ IC601 4(XTO)

!£ IC601 7(BCK)

!¢ IC601 9(LRCK)

4.7 Vp-p

59.2 ns

6.4 Vp-p

59.2 ns

7.4 Vp-p

472 ns

7.4 Vp-p

22.7

– MAIN Board (3/3) –

!∞ IC401 !ª (LRCK)

!§ IC401 !¶ (BCK)

!¶ IC401 !£ (WDCI)

!• IC401 !™ (LRCI)

!ª IC401 9(BCKI)

@¡ IC401 5(C4M)

@™ IC401 3, IC501&¶ (WFCK)

@£ IC403 1

@¢ IC501 @ª (EXTAL)

@º IC401 7(RFCK)

6.2 Vp-p

22.7

6.2 Vp-p

472 ns

7.7 Vp-p

11.4

6.6 Vp-p

22.7

6.6 Vp-p

472 ns

5.7 Vp-p

137

6.6 Vp-p

236 ns

5.5 Vp-p

137

6.6 Vp-p

11.4

3.2 Vp-p

100 ns

CDX-828

– 43 – – 44 –

7-13. SCHEMATIC DIAGRAM – DIGITAL OUT/JACK Boards –

(Page 36)

– 45 –

• IC Block Diagrams

– RF Board –

IC11 CXA1992BR

FZC

TDFCT

TZC

ATSC

TEI

LPFI

TEO

VEE

BIAS

SL P

SL M

SL O

ISET

VCC

XRST

DATA

XLT

CLK

LOCK

SENS2

SENS1

C. OUT

VCC

DFCTO

IFB1 – IFB6

BAL1 – BAL4

TOG1 – TOG4

FS1 – FS4

TG1 – TG2

TM1 – TM7

PS1 – PS4

TGH

TGL

BALH

BALL

ATSC

DFCT

TM1

TG1

FS2

IFB1 – IFB6

VCC

VEE

VCC

VEE

PD 2

I-V AMP

FOK

CC2

CC1

RF O

RF I

RFTC

PD2

PD1

RF M

TA O

TA M

FSET

TG2

TGU

SRCH

FEO

FEI

FDFCT

FGD

FLB

FE O

FE M

TZC

FZC FOL

FOH

MIRR

LDON

LPCL

LPC

TGFL

DFCT1

CC1

1 2 3 45678 9 10

PD 1

I-V AMP

AMP

LASER

POWER

CONTROL

FOCUS BIAS

WINDOW

COMPARATOR

FOCUS ERROR

AMP

F I-V

AMP

E I-V

AMP TGFL TRACKING GAIN

WINDOW

COMPARATOR

E-F BALANCE

WINDOW

COMPARATOR

ATSC

WINDOW

COMPARATOR

TZC

COMPARATOR

TRACKING PHASE

COMPENSATION

CENTER

VOLTAGE

GENERATOR

FZC

COMPARATOR

FOCUS PHASE

COMPENSATION CHARGE UP

FSET

ISET

IIC DATA REGISTER, INPUT SHIFT REGISTER,

ADDRESS DECODER, SENSE SELECTOR,

OUTPUT DECODER TTL

↓

IIL

↓

TTL

IIL

↓

TTL

RF SUMMING

AMP FOCUS OK

COMPARATOR

PEAK/BOTTOM

HOLD

PEAK/BOTTOM

HOLD

DEFECT

AMP

MIRR

COMPARATOR

36 34 31 30 29 28 27

35 33 32

BAL1 – BAL4

TM6

TM2

VCC

VEE

TM5

11 12 13

TG2

TM4

VCC

VEE

TM3

FS1

VCC

VEE

TOG1 – TOG4

TM7

FS4

DFCT

–

– 46 –

IC52 BA6287F

OUT1

VCC

FIN

GND

OUT2

VREF

RIN

CONTROL LOGIC

TSD

POWER

SAVE

DRIVER DRIVER

– MAIN Board –

IC101 CXD2530Q

1 2 3456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

100

71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

80 79 78 77 76 75 74 73 72

ASYMMETRY

CORRECTOR

DIGITAL

PLL

CLOCK

GENERATOR

D / A

INTERFACE

DIGITAL CLV

SUB CODE

PROCESSOR

TIMING

LOGIC CPU

INTERFACE

SERVO

AUTO

SEQUENCER

ERROR

CORRECTOR

16K RAM DIGITAL OUT

OSC

EFM

DEMODULATOR

TES6

VDD

VSS

EXCK

SBSO

SCOR

WFCK

TES5

EMPH

DOUT

C4M

FSTT

XTSL

MNT0

MNT1

MNT3

XROF

C2PO

RFCK

GFS

XPCK

XUGF

GTOP

VDD

VSS

TES4

BCK

TES3

PCMD

TES9

LRCK

WDCK

ASYE

ASYO

ASYI

BIAS

AVDD

CLTV

AVSS

FILI

FILO

PCO

VCTL

V16M

VCKI

VPCO1

VPCO2

TES1

TES0

LOCK

PWMI

MDP

MDS

VSS

MON

FOK

VDD

SPOD

XLON

SPOB

SPOC

CLKO

SPOA

DATO

XLTO

SEIN

CNIN

XLAT

CLOK

SENS

DATA

SQCK

SQSO

TES2

CKOUT

LMUT

RMUT

VDD

VSS

XRST

VSS

VDD

TES8

XVSS

VSS

XTAI

XTAO

VSS

XVDD

TES7

VDD

VSS

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