Sony CFD-S28 - Cd Radio Cassette-corder Bedienungsanleitung

MICROFILM

SERVICE MANUAL

US Model

E Model

SPECIFICATIONS

CFD-S28

CD Model Name Using Similar Mechanism NEW

Section CD Mechanism Type KSM-213CDM

Optical Pick-up Name KSS-213C

TAPE Model Name Using Similar Mechanism CFD-V10

Section Tape Transport Mechanism Type MF-V10-117

Ver 1.0 1999. 03

– Continued on next page –

CD RADIO CASSETTE-CORDER

– 27 – – 28 –

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.

•¢: internal component.

•U: B+ Line.

•H: adjustment for repair.

• Power voltage is dc 9 V and fed with regulated dc power

supply from battery terminal.

• Voltages and waveform are dc with respect to ground

under no-signal (detuned) conditions.

no mark : FM

( ) : AM

• VoltagesaretakenwithaVOM(Inputimpedance10MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Waveform is taken with a oscilloscope.

Voltage variations may be noted due to normal produc-

tion tolerances.

• Circled numbers refer to waveform.

• Signal path.

F: FM

f: AM

6-5. SCHEMATIC DIAGRAM – TUNER Section – •See page 45 for IC Block Diagrams.

• Waveform

1IC2 @º XIN (FM mode)

500 mV/DIV, 5 µs/DIV

1.8 Vp-p

13.3

(Page 37)

(Page 33π )

CFD-S28

– 32 – – 33 – – 34 –

6-7. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 45 for IC Block Diagrams.

• Waveforms

– MAIN Board (1/3) –

1Q323 Collector (REC mode)

20 V/DIV, 20 µs/DIV

2Q322 Emitter, Base

Q323 Emitter, Base

Q324 Collector (REC mode)

5 V/DIV, 20 µs/DIV

3Q324 Base, Q325 Collector (REC mode)

50 mV/DIV, 10 µs/DIV

4Q301 Base (REC mode)

500 mV/DIV, 10 µs/DIV

5Q301 Collector (REC mode)

1 V/DIV, 10 µs/DIV

34.4 Vp-p

20.8

9.8 Vp-p

20.8

128 mVp-p

20.8

1 Vp-p

20.8

3.6 Vp-p

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.

•2: nonflammable resistor.

•C: panel designation.

•U: B+ Line.

• Power voltage is dc 9 V and fed with regulated dc power

supply from battery terminal.

• Voltages and waveforms are dc with respect to ground

under no-signal conditions.

no mark : TAPE PLAY

( ) : TAPE REC

• Voltagesare takenwith aVOM(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.

F:TUNER (FM/AM)

E:TAPE PLAY

a: TAPE REC

J: CD PLAY

Note: The components identified by mark !or dotted line

with mark !are critical for safety.

Replace only with part number specified.

(Page 28)

(Page 36) (Page 37) (Page 44)

CFD-S28

– 35 – – 36 –

6-8. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 39 forWaveforms. •See page 46 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.

•U: B+ Line.

• Power voltage is dc 9 V and fed with regulated dc power

supply from battery terminal.

• Voltages and waveforms are dc with respect to ground

under no-signal conditions.

no mark : CD PLAY

∗: Impossible to measure

• Voltagesaretakenwith aVOM(Input impedance 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 The components identified by mark !or dotted

line with mark !are critical for safety.

Replaceonlywithpart number specified.

(Page 33) (Page 37)

CFD-S28

– 37 – – 38 –

6-9. SCHEMATIC DIAGRAM – MAIN Section (3/3) –

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.

•C: panel designation.

•U: B+ Line.

• Power voltage is dc 9 V and fed with regulated dc power

supply from battery terminal.

• Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark : TUNER

( ) : TAPE PLAY

< > : CD PLAY

• VoltagesaretakenwithaVOM(Input impedance 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.

(Page 33) (Page 36)

(Page 28)

– 39 –

• Waveforms

– MAIN Board (2/3) –

1IC701 $∞ TEO (CD PLAY mode)

100 mV/DIV, 1 ms/DIV

2IC701 #£ RF O, IC703 #∞ RF

(CD PLAY mode)

200 mV/DIV, 500 ns/DIV

3IC701 1FEO (CD PLAY mode)

50 mV/DIV, 100 ns/DIV

4IC703 @¡ MDP (CD PLAY mode)

1 V/DIV, 5 µs/DIV

5IC703 &º XTAI (CD PLAY mode)

2 V/DIV, 20 ns/DIV

6IC703 $£ BCK (CD PLAY mode)

2 V/DIV, 200 ns/DIV

7IC703 #ª LRCK (CD PLAY mode)

5 V/DIV, 20 µs/DIV

Approx.

100 mVp-p

1.2

0.1 Vp-p

Approx.

200 mVp-p

2.8 Vp-p

7.6

4.3 Vp-p

59 ns

6.4 Vp-p

472 ns

6.6 Vp-p

22.8

– MAIN Board (3/3) –

1IC501 #¡ EXTAL

2 V/DIV, 100 ns/DIV

4 Vp-p

239 ns

2IC501 &¢ TEX

1 V/DIV, 20 µs/DIV

2.9 Vp-p

30.5

CFD-S28

– 43 – – 44 –

6-11. SCHEMATIC DIAGRAM – POWER SUPPLY Section –

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.

•2: nonflammable resistor.

•U: B+ Line.

• Power voltage is dc 9 V and fed with regulated dc power

supply from battery terminal.

• Voltages are dc with respect to ground under no-signal

conditions.

• VoltagesaretakenwithaVOM(Input impedance 10 MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

Note: The components identified by mark !or dotted line

with mark !are critical for safety.

Replace only with part number specified.

(Page 34)

– 45 – – 46 –

• IC Block Diagrams

–TUNER Board –

IC1 TA2104AN

GND1

IF REQ

MIX

FM RF IN

AM LOW OUT

MIX OUT

VCC2

AM IF IN

FM IF IN

GND2

AGC

QUAD

R OUT

L OUT

FM RF OUT

AM RF IN

VCC1

FM OSC

ST IND

OSC OUT

AM OSC

IF OUT

LPF2/MO-ST

MPX IN

DET OUT

LPF1/BAND

MIX FM

OSC

LEVEL

DET

MUTE

DET

ST/MO

FM/AM

OSC

AGC

1/8

BUFF

DIVIDE

DECODE

VCO

IF BUFF

AF BUFF

FM RF

AM IF

FM IF

IC2 LC72137-D

UNLOCK

DETECTOR POWER ON

RESET

UNIVERSAL

COUNTER

CCB

I/F

XOUT

22 NC

AOUT

XIN

AIN

VSS

VDD

B04

FMIN

AMIN

B01

B02

B03

I01

I02

IFIN

PHASE

DETECTOR

CHARGE

PUMP

REFERENCE

DIVIDER

SWALLOW

COUNTER

1/16,1/17

4BITS

12BITS

PROGRAMMABLE

DIVIDER

DATA SHIFT REGISTER

LATCH

1/2

– MAIN Board –

IC301 TA2068N

TAPE

BUF AMP

NAB

AMP1

NAB

AMP2

RADIO

BUF AMP

MUTE

7dB

26dB

MONITOR

AMP

LOGIC

MUTE

7dB

MONITOR

AMP

LINE

TAPE RADIO

LINE

ALC2 ALC1

DET

REC

AMP1

REC

AMP2

2.1

REF

AMP

MIC

AMP1

LINE

IN1

INT

EXT

RADIO

IN1

REC

PLAY

PRE

OUT1

PRE

OUT2

RADIO

LINE

RADIO

IN2

LINE

IN2

MIC

TAPE

VCC

ALC

NAB

OUT1

NAB

NF1

REC

OUT1

NAB

IN1

VREF

GND

NAB

IN2

REC

OUT2

NAB

NF2

NAB

OUT2

MIC

IC302 BH3854AS

TONE

MATRIX

SURROUND

CONTROL

AGND

IN1

NF1

BVN1

BIN1

BVO1

TIN1

TVO1

OUT1

VCC

PORT1

PORT2

PORT3

PORT4

DGND

TONE

FILTER

IN2

NF2

BVN2

BIN2

BVO2

TIN2

TVO2

OUT2

DATA

LATCH

VREF

IC701 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

–

– 47 –

REGULATOR

BIAS

DRIVER

MUTE

LEVEL

SHIFT LEVEL

SHIFT

LEVEL

SHIFT LEVEL

SHIFT

2122 181920 17

2 3 4 5 6 7 8 9

VCC

BIAS IN

VIN1’

VO1 (+)

VO1 (–)

VIN1

VO2 (–)

GND

VO2 (+)

VIN2’

RESET

REG-B

REG OUT

MUTE

FIN

REGULATOR

BIAS, T.S.D.

MONITOR

GND

VIN3’

VIN3

VO3 (+)

VO3 (–)

VIN4

VO4 (+)

VO4 (–)

OP IN (–)

OP OUT

GND

VIN4+’

VCC

FIN

–

IC702 BA6898FP

– 48 –

IC703 CXD2589Q

PWM

1 2 3 4 5 6 12 13 14 15 16 17 19 20

OSC

7 8 9 10 11 18

45 44 43 42 4150 49 48 47 4655 54 53 52 5159 58 57 5660

EFM

DEMODULATOR

ERROR

CORRECTOR 16k

RAM

D/A

INTERFACE

CLOCK

GENERATOR

SERVO

AUTO

SEQUENCER

CPU

INTERFACE

DIGITAL

OUT

SUB CODE

PROCESSOR

3rd-ORDER

NOISE SHAPER

OVER SAMPLING

DIGITAL FILTER

SERIAL-IN

INTERFACE

DIGITAL

CLV

OSC

DIGITAL

PLL

ASYMMETRY

CORRECTOR

LRCKI

LRCK

ASYO

ASYI

BIAS

AVDD

CLTV

AVSS

FILI

FILO

PCO

V16M

VCTL

VCKI

VPCO1

TES1

TES0

PWMI

MDP

VDD

SYSM

AVSS

AVDD

XTAI

XVDD

AVSS

LOUT1

AIN1

AOUT1

XTAO

XVSS

AVSS

LOUT2

AIN2

AOUT2

AVDD

AVSS

XRST

VDD

VSS

EXCK

SBSO

SCOR

WFCK

ENPHI

EMPH

DOUT

C4M

XTSL

C2PO

GFS

XPCK

XUGF

VDD

VSS

BCKI

BCK

PCMDI

PCMD

VSS

LMUTE

RMUTE

SQCK

SQSO

SENS

DATA

XLAT

CLOK

SEIN

CNIN

DATO

XLTO

CLKO

SPOA

SPOB

XLON

FOK

VDD

VSS

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