Sony CFS-515S User manual

Ver. 1.0 1998.07

MICROFILM

CFS-515S

SERVICE MANUAL

RADIO CASSETTE-CORDER

SPECIFICATIONS

E Model

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism Type MF-W495-117

Frequency range FM :

Saudi Arabia model : 87.6 – 107MHz

EXCEPT SaudiArabia model : 87.6 – 108MHz

MW : 530 – 1,605kHz

SW1 : 2.3 – 7 MHz

SW2 : 7 – 22MHz

IF FM : 10.7MHz

MW/SW : 455kHz

Aerials FM/SW : Telescope

MW : Built-in ferrite bar

Recording system 4-track, 2-channel stereo

Frequency response 70 – 13,000Hz

Speakers Full range : 10cm (4 inches) dia., 6ohms,

cone type/Tweeter : 2cm (13/16 inches) dia.

Output Headphones jack (stereo minijack), for

16 – 68 ohms impedance headphones

Maximum Power output

5W+5W

Battery life FM Recording : Sony R20P : Approx. 10hours/

Sony LR20 alkaline : Approx. 20hours

Playback : Sony R20P :Approx. 3.5hours/

Sony LR20 alkaline : Approx. 8hours

Power requirements 110 – 120V/220 – 240VAC selectable, 50/60Hz

9V DC, six R20 (size D) batteries

Power consumption AC 18 W

Dimensions Approx. 697 x 211 x 201.5 mm (w/h/d)

(27 1/2x 8 3/8x 8 inches) incl. projecting parts and

controls, not incl. handle

Mass Approx. 6.2 kg (13 lb 10 oz) incl. batteries

Supplied accessories AC power cord (1),

Design and specifications are subject to change without notice.

– 17 – – 19 –– 18 –

rWaveforms

T301 VOLT/DIV : 10 V AC

TIME/DIV : 5 µsec

T301 VOLT/DIV : 1 V AC

TIME/DIV : 5 µsec

4.9Vp-

12.6

sec

45.5Vp-

12.6

sec

5-3. SCHEMATIC DIAGRAM – MAIN SECTION – rRefer to page 14 for Note. CFS-515S

rRefer to page 23 for IC Block Diagrams.

– 20 – – 22 –– 21 –

rRefer to page 24 for IC Block Diagram.

Ref. No. Location

rSemiconductor

Location

D1 E-2

D2 E-2

D3 D-2

IC1 D-4

Q1 C-2

Q2 E-4

5-4. PRINTEDWIRING BOARDS –TUNER SECTION –

CFS-515S

5-5. SCHEMATIC DIAGRAM –TUNER SECTION –

Note:

• Allcapacitors are in µF unless otherwise noted. pF:µµ F

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 9V and fed with regulated dc power

supply from battery terminal.

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

(detuned) conditions.

no mark : FM

( ) : MW

< > : SW1,SW2

Note:

•X: parts extracted from the component side.

•b: Pattern from the side which enables seeing.

• Abbreviation

EA : Saudi Arabia

• Voltages are taken with a VOM (Input impedance 10 MΩ).

Voltage variations may be noted due to normal production

tolerances.

• Signal path.

F: FM

• Abbreviation

EA : Saudi Arabia

– 23 –

IC301 BA3426AS

rIC Block Diagrams (Main Section)

IC101, 201 BA5417

N.C

B.S.2

OUT1

B.S.1

OUT2

VCC

POWER GND

RIPPLE

NF1

IN1

IN2

NF2

PRE GND

13 14 15

BS BS

ST. BY

FILTER

T. S. D

A-L

TAPE-NF-L

TAPE-O-L

A-R

TAPE-NF-R

6 8 9 10 11

TAPE-O-R

MIC/HS

MIC-NF

MIC -IN

RADIO-IN -L

RADIO-IN -R

CD-IN-L

CD-IN-R

LINE-OUT-L

LINE-OUT-R

BIAS-IN

12 13 1614 15

32 31 30 2629 28 27 25 24 23 22

B-L

B-R

TR-B

TR-C

TAPE-MODE

FNC

REC-EQ-L

REC-EQ-R

REC-NF-L

REC-NF-R

LPF-L

LPR-R

AGC

BIAS

GND

VCC

21 20 1719 18

REC EQ

HS : 1.4V OUT

(Low lmp.)

Nor : 0.35V OUT

(Hogh lmp.)

LOGIC

REC EQ

AGC

ECM : Open

Mic : Low

– 24 –

IC302 CXA1352AS

IC1 CXA1238S

rIC Block Diagram (Tuner Section)

CONTROL

GRAPHIC EQUALIZER

BIAS

15dB

29dB

400Hz 1kHz

4kHz

10kHz

DVCC

DC 2

IN 2

VCC

LINE

OUT 2

(FIX)

100Hz

BAL

VOL

DC 1

IN 1

GND

LINE

OUT 1

(FIX)

OUT 1

(VARIABLE)

OUT 2

(VARIABLE)

ISET

2122

235

4678910

111

181920

VOLUME

REG

FM FRONT-END

AM FRONT-END

VCO

REG

MPX REG.

PD 1

PD 2

MONO/ST

SELECT

1/2

COUNTER

1/2

COUNTER

MUTING

DECORD AMP

AUTOBLEND

RIPPLE

FILTER

BAND PASS

MUTE

TUNING

INDICATOR

IF / DET

GND

PLL LPF 1

PILOT DET

LPF 1

PILOT DET

LPF 2

ST IND/

VCO CHECK

RCH OUT

LCH OUT

VCC

RIPPLE

FILTER

AFC/AGC 1

AFC/AGC 2

GND

TUND IND

FM IF IN

AM IF IN

BAND SELECT

PLL LPF2

MPX REG

VCO

DISCRI

MUTE

AM OSC

AFC

FM OSC

REG OUT

FM RF

AM RF IN

FM RF IN

FM/AM

FE OUT

GND

235

4678910

111 12 13 14 15

2030 29 28 27 26 25 24 23 22 21

FM IF /

DISCRI

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