Sony CFS-E2 Operating Instructions (primary... Manuale utente

CFS-E2

SERVICE MANUAL

RADIO CASSETTE-CORDER

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism Type MF-E2

US Model

Canadian Model

AEP Model

Taiwan Model

Ver 1.3 2002. 08

Sony Corporation

Personal Audio Company

Published by Sony Engineering Corporation

9-923-263-14

2002H1600-1

SPECIFICATIONS

•Frequency range

FM : 87.6 – 108 MHz/AM : 530 – 1,710 kHz

(US, Canadian, Taiwan)

FM : 87.6 – 107 MHz/AM : 531 – 1,602 kHz (AEP)

•Antennas FM : Telescope/AM : Built-in ferrite bar

•Recording system 4-track, 2-channel stereo

•Frequency response 100-10,000 Hz

•Speakers Full-range : 5.7 cm (21/4inches) dia, cone type

•Output Headphones jack (stereo minijack), for 8-32 ohm

impedance headphones

•Power output 1 W+1 W (at 10% harmonic distortion in

DC operation)

•Battery life

FM recording

Sony SUM-3 (NS) : Approx. 2 hours

Sony AM3 (N) alkaline:Approx. 5 hours

playback

Sony SUM-3 (NS) : Approx.1.5 hours

Sony AM3 (N) alkaline:Approx. 4 hours

•Power requirements 120VAC, 60Hz (US, Canadian, Taiwan)/

220V AC, 50/60Hz (AEP)/ 6V DC, four size

AA (R6) batteries

•Power consumption DC 4 W

•Dimensions Approx. 285 ×101 ×58 mm (w/h/d)

(111/4×4 ×23/8inchs)incl. projecting parts and controls

•Mass Applox. 720 g (1 lb 94 oz)(incl.batteries)

•Supplied accessory AC power adaptor(1)

Design and specifications are subject to change without notice.

— 2 —

TABLE OF CONTENTS

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK !OR DOTTED LINEWITH

MARK !ON THE SCHEMATIC DIAGRAMS AND INTHE PARTS

LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE

COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS

APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS

PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!

LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE !SUR LES

DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT

CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE

REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY

DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU

DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.

This section is extracted

from instruction manual.

SECTION 1

GENERAL

1. GENERAL ·············································································· 2

2. DISASSEMBLY

2-1. REAR CABINET SECTION ············································ 4

2-2. MAIN SECTION ······························································ 4

3. MECHANICAL ADJUSTMENTS········································ 5

4. ELECTRICAL ADJUSTMENTS

4-1. TAPE RECODER SECTION ············································ 5

4-2. TUNER SECTION ···························································· 6

5. DIAGRAMS

5-1. PRINTED WIRING BOARD ··········································· 8

5-2. SCHEMATIC DIAGRAM — AUDIO SECTION — ····· 11

5-3. SCHEMATIC DIAGRAM — TUNER SECTION — ···· 14

5-4. IC BLOCK DIAGRAMS ················································ 16

6. EXPLODED VIEWS

6-1. FRONT CABINET SECTION ········································ 17

6-2. REAR CABINET SECTION ·········································· 18

6-3. MECHANISM DECK-1 ················································· 19

6-4. MECHANISM DECK-2 ················································· 20

7. ELECTRICAL PARTS LIST··············································· 21

— 3 —

— 4 —

SECTION 2

DISASSEMBLY

Note : Follow the disassembly procedure in the numerical order given.

2-1. REAR CABINET

2-2. MAIN BOARD

1Four screws (+ BVTP 3 ×24)

3Connector (CN305)

4Connector (CN1)

2Unlock the claw

by pressing here.

3Connector (CN301)

4Main boar

1Two screws (+P 2.6 ×8)

2Connector (CN304)

CFS-E2

Tape Speed Adjustment

Procedure:

Mode : FWD playback

Adjustment Value : normal tape speed

Confirm that the frequency difference between the tape top and

tape end is within 1.5 % (45 Hz).

Adjustment element : RV601

PRECAUTION

• Clean the following parts with a denatured-alchool-moistened

swab:

record/playback head

erase head

pinch rollers

playback head

rubber belts

idlers

capstan

• Demagnetize the record/playback head with a head

demagnetizer.

(Do not bring a head demagnetiger close to the erase head.)

• Do not use a magnetized screwdriver for the adjustments.

• After the adjustments, apply suitable locking compound to the

parts adjusted.

• Perform adjustment under the specified voltage (DC6V) unless

otherwise specified.

Torque Measurement

TapeTension

SECTION 3

MECHANICAL ADJUSTMENTS

Tension Meter

CQ-403A

Mode

FWD

Meter reading

70g or more

Meter reading

22.5 to 55g · cm

2.5 to 5g · cm

45 to120g · cm

Mode

FWD

back tension

FF, REW

Torque Meter

CQ-102C

CQ-201B

4-1. TAPE RECODER SECTION 0 dB = 0.775 V

PRECAUTION

1. Adjustments should be performed in the order given. (Generally

playback circuit adjustments should be completed before

preforming recording circuit adjustments.)

2. Adjustments should be performed for both L-ch and R-ch.

(Switches and controls should be set as follows unless otherwise

specified.)

• Switch position

FUNCTION : TAPE (RADIO OFF)

TONE : Maximum

MEGA BASS : ON

VOLUME : Maximum

• Test tape

SECTION 4

ELECTRICAL ADJUSTMENTS

TestTape

WS-48A

Used for

Tape speed adjustment

Signal

3 kHz, 0 dB

Frequency counter

2,980 to 3,020 Hz

DECK

4-2. TUNER SECTION 0 dB = 1 µV

• AM section

FUNCTION : RADIO

BAND : AM

• FM section

FUNCTION : RADIO

BAND : AM

Repeat the above adjustments unit the level meter reading is

maximized.

AM Tracking Adjustment

Make adjustment unit the level meter defection is maximized.

ANT2 620kHz

CT1 1,400 kHz

AM Frequency Coverage Adjustment

Make adjustment unit the level meter defection is maximized.

T1 520kHz (520kHz)

CT4 1,710kHz (1,680kHz)

FM Frequency Coverage Adjustment

Make adjustment unit the level meter defection is maximized.

L2 86.5MHz (87.0MHz)

CT3 109.5MHz (107.8MHz)

FM Tracking Adjustment

Make adjustment unit the level meter defection is maximized.

L1 86.5MHz (87.0MHz)

CT2 109.5MHz (107.8MHz)

FM Separation Adjustment

Adjustment method:

FUNCTION switch ⋅⋅⋅⋅⋅ FM

Adjust T2 unit the L-channel output minized.

— 5 — — 6 — — 7 —

CT2

CT3

S101 CT4

RV1

T2 T1

RV601

RV301

CT1

Adjustment location : MAIN board (Component side)

FMVCO Adjustment

Procedure:

1. Connect frequency counter to the positions shown below.

2. Tune the set to 98MHz.

3. Adjust RV1 for 75.5 to 76.5kHz reading on the frequency

counter.

( ) : AEP model

Ver 1.2 2001. 04

CFS-E2

Tape Speed Adjustment

Procedure:

Mode : FWD playback

Adjustment Value : normal tape speed

Confirm that the frequency difference between the tape top and

tape end is within 1.5 % (45 Hz).

Adjustment element : RV601

PRECAUTION

• Clean the following parts with a denatured-alchool-moistened

swab:

record/playback head

erase head

pinch rollers

playback head

rubber belts

idlers

capstan

• Demagnetize the record/playback head with a head

demagnetizer.

(Do not bring a head demagnetiger close to the erase head.)

• Do not use a magnetized screwdriver for the adjustments.

• After the adjustments, apply suitable locking compound to the

parts adjusted.

• Perform adjustment under the specified voltage (DC6V) unless

otherwise specified.

Torque Measurement

TapeTension

SECTION 3

MECHANICAL ADJUSTMENTS

Tension Meter

CQ-403A

Mode

FWD

Meter reading

70g or more

Meter reading

22.5 to 55g · cm

2.5 to 5g · cm

45 to120g · cm

Mode

FWD

back tension

FF, REW

Torque Meter

CQ-102C

CQ-201B

4-1. TAPE RECODER SECTION 0 dB = 0.775 V

PRECAUTION

1. Adjustments should be performed in the order given. (Generally

playback circuit adjustments should be completed before

preforming recording circuit adjustments.)

2. Adjustments should be performed for both L-ch and R-ch.

(Switches and controls should be set as follows unless otherwise

specified.)

• Switch position

FUNCTION : TAPE (RADIO OFF)

TONE : Maximum

MEGA BASS : ON

VOLUME : Maximum

• Test tape

SECTION 4

ELECTRICAL ADJUSTMENTS

TestTape

WS-48A

Used for

Tape speed adjustment

Signal

3 kHz, 0 dB

Frequency counter

2,980 to 3,020 Hz

DECK

4-2. TUNER SECTION 0 dB = 1 µV

• AM section

FUNCTION : RADIO

BAND : AM

• FM section

FUNCTION : RADIO

BAND : AM

Repeat the above adjustments unit the level meter reading is

maximized.

AM Tracking Adjustment

Make adjustment unit the level meter defection is maximized.

ANT2 620kHz

CT1 1,400 kHz

AM Frequency Coverage Adjustment

Make adjustment unit the level meter defection is maximized.

T1 520kHz (520kHz)

CT4 1,710kHz (1,680kHz)

FM Frequency Coverage Adjustment

Make adjustment unit the level meter defection is maximized.

L2 86.5MHz (87.0MHz)

CT3 109.5MHz (107.8MHz)

FM Tracking Adjustment

Make adjustment unit the level meter defection is maximized.

L1 86.5MHz (87.0MHz)

CT2 109.5MHz (107.8MHz)

FM Separation Adjustment

Adjustment method:

FUNCTION switch ⋅⋅⋅⋅⋅ FM

Adjust T2 unit the L-channel output minized.

— 5 — — 6 — — 7 —

CT2

CT3

S101 CT4

RV1

T2 T1

RV601

RV301

CT1

Adjustment location : MAIN board (Component side)

FMVCO Adjustment

Procedure:

1. Connect frequency counter to the positions shown below.

2. Tune the set to 98MHz.

3. Adjust RV1 for 75.5 to 76.5kHz reading on the frequency

counter.

( ) : AEP model

Ver 1.2 2001. 04

CFS-E2

Tape Speed Adjustment

Procedure:

Mode : FWD playback

Adjustment Value : normal tape speed

Confirm that the frequency difference between the tape top and

tape end is within 1.5 % (45 Hz).

Adjustment element : RV601

PRECAUTION

• Clean the following parts with a denatured-alchool-moistened

swab:

record/playback head

erase head

pinch rollers

playback head

rubber belts

idlers

capstan

• Demagnetize the record/playback head with a head

demagnetizer.

(Do not bring a head demagnetiger close to the erase head.)

• Do not use a magnetized screwdriver for the adjustments.

• After the adjustments, apply suitable locking compound to the

parts adjusted.

• Perform adjustment under the specified voltage (DC6V) unless

otherwise specified.

Torque Measurement

TapeTension

SECTION 3

MECHANICAL ADJUSTMENTS

Tension Meter

CQ-403A

Mode

FWD

Meter reading

70g or more

Meter reading

22.5 to 55g · cm

2.5 to 5g · cm

45 to120g · cm

Mode

FWD

back tension

FF, REW

Torque Meter

CQ-102C

CQ-201B

4-1. TAPE RECODER SECTION 0 dB = 0.775 V

PRECAUTION

1. Adjustments should be performed in the order given. (Generally

playback circuit adjustments should be completed before

preforming recording circuit adjustments.)

2. Adjustments should be performed for both L-ch and R-ch.

(Switches and controls should be set as follows unless otherwise

specified.)

• Switch position

FUNCTION : TAPE (RADIO OFF)

TONE : Maximum

MEGA BASS : ON

VOLUME : Maximum

• Test tape

SECTION 4

ELECTRICAL ADJUSTMENTS

TestTape

WS-48A

Used for

Tape speed adjustment

Signal

3 kHz, 0 dB

Frequency counter

2,980 to 3,020 Hz

DECK

4-2. TUNER SECTION 0 dB = 1 µV

• AM section

FUNCTION : RADIO

BAND : AM

• FM section

FUNCTION : RADIO

BAND : AM

Repeat the above adjustments unit the level meter reading is

maximized.

AM Tracking Adjustment

Make adjustment unit the level meter defection is maximized.

ANT2 620kHz

CT1 1,400 kHz

AM Frequency Coverage Adjustment

Make adjustment unit the level meter defection is maximized.

T1 520kHz (520kHz)

CT4 1,710kHz (1,680kHz)

FM Frequency Coverage Adjustment

Make adjustment unit the level meter defection is maximized.

L2 86.5MHz (87.0MHz)

CT3 109.5MHz (107.8MHz)

FM Tracking Adjustment

Make adjustment unit the level meter defection is maximized.

L1 86.5MHz (87.0MHz)

CT2 109.5MHz (107.8MHz)

FM Separation Adjustment

Adjustment method:

FUNCTION switch ⋅⋅⋅⋅⋅ FM

Adjust T2 unit the L-channel output minized.

— 5 — — 6 — — 7 —

CT2

CT3

S101 CT4

RV1

T2 T1

RV601

RV301

CT1

Adjustment location : MAIN board (Component side)

FMVCO Adjustment

Procedure:

1. Connect frequency counter to the positions shown below.

2. Tune the set to 98MHz.

3. Adjust RV1 for 75.5 to 76.5kHz reading on the frequency

counter.

( ) : AEP model

Ver 1.2 2001. 04

CFS-E2

— 8 — — 9 — — 10 —

SECTION 5

DIAGRAM

5-1. PRIINTEDWIRNG BOARD

345678910111213

TELESCOPIC

ANTENNA

ANT1

DRY BATTERY

SIZE "AA"

(IEC DESIGNATION R6)

4PCS,3V

RED

SP901 SP902

S902

MD POWER

M901

REEL CAPSTAN

MOTOR

BLK

C901

RED

BLU

YEL

RED

WHT

C113

C105

S102

S302

S301

C102

IC101

C312

S101

L601

RV301

VOLUME

HRP901

HE901

OFFON

MEGA BASS

MIC

MIC901

-1

CT1

ANT2

CT2

CT4 CT3

-2

-4 -3

J301

J302

1-666-350-

1-666-349-

(11)

DC IN 6V

–+

C27

C28

AEP

REC

AM FM TAPE OFF

S301

MONO/ST ISS

MONO

STEREO

MAIN BOARD

JACK BOARD

Note:

•: parts extracted from the component side.

•: Parts on the side wich is seen.

Ref. No. Location

D1 B-4

D2 B-4

D101 C-6

D201 C-9

D301 C-7

D302 B-9

D303 D-4

D304 D-8

D305 C-11

D306 D-5

D307 C-11

D601 C-10

D602 C-11

IC1 C-3

IC101 B-7

IC201 B-9

IC601 B-11

Q301 B-6

Q302 C-4

Q601 B-10

• Semiconductor

Location

Ver 1.2 2001. 04

CFS-E2

5-2. SCHEMATIC DIAGRAM — AUDIO SECTION —

— 11 — — 12 — — 13 —

PB REC

TAPE

OFF FM AM

OFF ON

Ver 1.2 2001. 04

CFS-E2

5-3. SCHEMATIC DIAGRAM —TUNER SECTION —

—14 — — 15 — — 16 —

5-4. IC BLOCK DIAGRAMS

IC1 CXA1538N

IC601 MM1038BFF IC101, IC201 MM1315BD

US,CND.

CND : Canadian

TW : Taiwan

CT1

CT4

CT3CT2

AM FM TAPE OFF

MONO STEREO

ANT2, CT1

AM TRACKING

ADJUSTMENT

L1, CT2

FM TRACKING

ADJUSTMENT

L2, CT3

FM FREQUENCY

COVERAGE

ADJUSTMENT

T1, CT4

AM FREQUENCY

COVERAGE

ADJUSTMENT

Ver 1.2 2001. 04

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