Sony cfs 904 s service manual

Page 1

BIS-9048

SERVICE MANUAL

E Model

PHOTO: YELLOW

SPECIFICATIONS

Tuner frequency range

Model Name Using Similar Mechanism

CFS-204S

Tape Transport Mechanism Type

MFv204-64

Sales area FM MW SW
Saudi Arabia 87.6~
model 107MHz 530- SW1 SW2
876 1605kHz 23' 7
> 7MH2 22MHz
E model 108MHz
| lF 10.7mm 455kHz l

Frequency response
Speakers
Outputs

Maximum power output
Power requirements

Battery life

Dimensions

Weight
Accessory supplied

80Hz-10,000HZ
105m (4m) dla. lull rangeXZ
Headphones jack (stereo minljack) for 8-300ohm
impedance headphones
4.0W (2,0W+ 2.0W)
9V DC, six R14 (size C) batteries
DO IN 9V jack accepts:
Supplied AC power adaptor for use with:
llO-lZOV, 220-240V AC adjustable, 50/60Hz
DCC-EIQOL car battery cord (not supplied) Ior use with
12V car battery

Batteries FM recording Playing

Sony SUM~2(NS) Approx. llhours Approx. l4hours
Sony AM2 alkaline Approx. 23hours Approx. 30hours

Approx 470 X 150 X154mm (w/h/d)
(185/5X6x6'lsinches)incl. proiecting parts and con-
trols

Approx 2.6kg (5|b 1202) incl. batteries

AC power adaptor (A0905) (1)

Design and specifications subject to change without notice.

RADIII CASSETTE-BORDER

SONY;

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TABLE OF CONTENTS

Section Title Page
1. GENERAL

1-1. Parts Identification ............................. 3
2. DISASSEMBLY

2-1. Removal of Cassette Lid ........................ 4
2-2. Removal of Front Cabinet ........................ 4
2-3. Dial Pointer Setting .......................... 5
3. MECHANICAL ADJUSTMENTS .................... 5
4. ELECTRICAL ADJUSTMENTS

4-1. Tape Recorder Section .......................... 6
4-2. Tuner Section .................................... 6
5. DIAGRAMS

5-1r Printed Wiring BoardTuner Section- .......... 8
52. Schematic Diagram-Tuner Section~ ............ 9
5-3. Printed Wiring Boards-Audio Section- ....... 11
5-4. Schematic Diagram-Audio Section- ............ 13
5-5. Semiconductor Lead Layouts .................. 15
6. EXPLODED VIEWS

6-1. Front Cabinet Section ......................... 16
6-2. Rear Cabinet Section ............................ 17
6-3. Tape Mechanism (1) Section .................... 18
6-4. Tape Mechanism (2) Section .................... 19
7. ELECTRICAL PARTS LIST ...................... 20

SA FETY-RELATED COMPONENT WARN INGI I

COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE 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 PUB.
LISHEO BY SONY.