Sony cfd 50 l service manual

Page 1

AEP Model
UK Model

SPECIFICATIONS

CD player section

Model Name Using C
Similar Mechanism

i'ape Section

CFD
CFS-201 L

Optical Device Name

Tape Transport Mechanism Type MF-50RP-75D

KSM-21OBAN

System
Laser diode properties

Radio section

Compact disc digital audio system

Material: GaAlAs
Wavelength 780 nm

Emission duration: Continuous
Laser output: Less than 44.6;tW

'This output is the value measured
at a distance of about 200 mm from
the objective lens surface on the

optical pickup block.

Frequency response
Wow and flutter

20 - 20,000 Hz 1? dB

Below measurable limit

Frequency range

AEP, WG, UK model 87.6-107MH2 531-1602kHz 153-281kHz

5.95-18MHZ
lT model 87.5-108MH2 526,5-1606.5kHz 146.5-283.5kHz
Intermediate frequency 10.7M Hz 455kHz

- Continued on next page --

cu RADlll CASSETTE-BURDER
SONY®

Page 2

CFD-50L

Tape recorder sectlon and general

Recording system
Frequency response

4-track Zchannel stereo

7o - 10,000 Hz (with TYPE I

< NOFlMAL> cassette)
Full-range speakers: 10 cm dia.,
cone type

Full-range speakers: 2.3W+2.3w

Speaker

Power output

(at 3.2 ohms, 315H2, 10% harmonic

distortion) .
Mixing microphone Input jack
(minijack)

Sensitivity 2.5 mV

Input

For low impedance microphone

Oulpul Headphones jack (stereo minijack)
For 16-68 ohms impedance

headphones

Power requirements AEP, WG. IT model

220 V AC. 50 HZ

UK model

240 V AC. 50 HZ

DC 9V. 6 R20 (size D) batteries

Power consumption AC 25 W (AEP, WG, IT model)

AC 28 W (UK model)
Battery life (hours)
FM recording Playback
Sony SUMJ (NS) Approx. 11 Approx 8
Sony ALkaline AM1 (N) Approx. 17 Approx. 12

Dimensions 590 X 172 X 205 mm (w/h/d)

(237. X 67/, X 8]. inches)

incl. projecting parts and controls
Weight Approx. 4.6kg incl. batteries

(Approx. 10 lb 2 oz).

Supplied accessory AC power cord (1)

Design and specifications subject to change without notice.

MODEL IDENTIFICATION
-- Model Number Label -

AEP. WG, IT model: AC: 220V ~50Hz 25W
UK model: AC: 240V ~50Hz 28W

S ONYI®
MODEL Mot CFD-SOL

CD RADIO CASSETTE-CORDER

V/////////////////////////////////////////////////¢
Dc: 9v: FLASHLIGHT BATI'ERY
R20 3125 D X e on EQUIVALENT

MADE IN JAPAN W
AEP,IT model : 4-938-042-01
WG model 24-937033-01
UK model : 4-936-043-01

TABLE OF CONTENTS

Section Title Page
Specifications .................................. 1
1. SERVICING NOTES

Notes on Handling the Optical Pickup

Block or Base Unit ....................... 3

Notes on Laser Diode Emission Check ------- 3

Chuck Plate Jig on Repairing --------------- 3

Laser Diode and Focus Search

Operation Check ......................... 3
2_ GENERAL ............................. 4
3_ DISASSEMBLY ......................... 4
4. MECHANICAL ADJUSTMENTS --------- 6
5. ELECTRICAL ADJUSTMENTS
5-1. Tape Recorder Section 6
5-2. Tuner Section ~~~~~~~~~~~~~ 7
5.3. CD Section .............................. 9
6. DIAGRAMS
6-1. CD Section Block Diagram ~~~~~~~~~~~~~~~~~ 13
6-2. Tuner, Audio Section Block Diagram -------- 15
6-3. Printed Wiring Boards ~~~~~~~~~~~~~~~~~~~~ 17
6-4. Tuner, Audio Section Schematic Diagram - - - - 21
6-5. CD Section Schematic Diagram ~~~~~~~~~~~~ 25
7. EXPLODED VIEWS ~~~~~~~~~~~~~~~~~~~~ 29
8. ELECTRICAL PARTS LIST ----------- 35

SAFETYARELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK & OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONV PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

OABBREVIATION
WG: West Germany
. IT: Italian