Sony cfd 12 l service manual

Page 1

CFO-12L

SERVICE MANUAL

AEP Model
UK Model

SPECIFICATIONS

CD player section
System

Compact disc digital audio system

Laser diode properties Material: GaAlAs

Spindle speed
Error correction
Number of channels

Frequency response
Wow and flutter

Wave length: 780 nm

Emission duration: Continuous
Laser output: Less than 446 pW
(This output is the value measured al a distance
ol about 200 mm lrom the objective lens
surface on the optical pick-up block.)

200 r/min (rpm) to 500 r/min (rpm)
(CLV)

Sony Refined Super Strategy
Cross lnterleave Reed Solomon
Code

2

20-20,000 Hz 1 2 dB

Below measurable limit

Radio section
Frequency range
FM MW LW 5w
876-107 MHz 531-1602 kHz 153-279 kHz 5.95-16 MHZ
Aerials FM/SW: Telescopic aerial

MW/LW: Built~in ferrite bar aerial

Model Name Using CD Section
Similar Mechanism

CFD-lO/10L
Tape Section CFD-GO

Optical Device Name

KSM~2101 BAN

Tape Transport Mechanism Type

MF-204-64

Cassette-comer section

Recording system

A-track 2-channel stereo

Frequency response TYPE l (normal) cassette:

General
Speaker

inputs

Outputs

Maximum power
output

70-10.000 HZ

Full range: 10 cm dia, 32 ohms
cone type
Mixing microphone input jack
(minijack):
Sensitivity 2.5 mV
For low impedance microphone
Headphones jack (stereo minijack)
For 16-68 ohms impedance
headphones
5.5 W (2.75 W + 275 W)

- Continued on next page -

on RADlll CASSETTE-BORDER
SONY®

Page 2

Power requirements
Europe
United Kingdom

220-230 V AC, 50 Hz
240 V AC. 50 Hz

TABLE OF CONTENTS

DC 9 V. 6 size D (R20) batteries
20 W
For CD radio cassette-comer:

FM recording Tape playback CD playback
Sony SUM-1 (NS) approx. 135 h approx. 75 h approx. 2.5 it
Sony Alkaline AM1 approx. 19 h approx.- 12 h approx. 45 11

Power consumption
Battery life

Dimensions Approx. 501.5 x 156 x 238 mm (w/h/d)
incl. projecting parts
Mass 414 kg (incl. batteries)

Supplied accessories AC power cord (1)

Design and specifications subject to change without notice.

MODEL IDENTIFICATION
- Model Number Labe/ - Carved on rear cabinet

/___________
SONYo

-.-
CD RADIO CASSETTE-CORDER

V///////////////////////////////////////////////A
DC: 9v: FLASHLIGHT BATTERY
SIZE 0 R20 X 6 OR EQUIVALENT

MODEL NO. CFD~12L

MADE IN MALAYSIA

L AEP Model :

AC 1 220 - 230 V~50 Hz 20 W
UK Model :
AC 1 240 V~50 HZ 20 W

SAFETY-RELATED 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
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

Section Title Page
Specifications ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1
Model identification ~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2
1. SERVICING NOTES ~~~~~~~~~~~~~~~~~ 3
2. GENERAL

Parts Identification ~~~~~~~~~~~~~~~~~~~~~~~~ 4
3. DISASSEMBLY ------------------------- 5
4. MECHANICAL ADJUSTMENTS

Torque Measurement ...................... 8

Tape Tension Measurement ~~~~~~~~~~~~~~~~ 8
5. ELECTRICAL ADJUSTMENTS
5-1, Tape Recorder Section ------------------ 8
5-2. Tuner Section ~~~~~~~~~~~~~~~~~~~~~~~~~~~ 9
5-3. CD Section -------------------------- 12
6. DIAGRAMS
6-1, 1C Pin Description 15
62. Tuner Section Block Diagrams ~~~~~~~~ ~ 16
6-3. CD/Audio/Power Section Block Diagram ---- 17
6-4, Tuner Section Printed Wiring Board

and Schematic Diagram ----------------- 19
6-5, CD/Audio/Power Section

Printed Wiring Boards ~~~~~~~~~~~~~~~~~~~~~ 22
6-6. CD/Audio/Power Section

Schematic Diagram -------------------- 25
7. EXPLODED VIEWS .................... 35
8. ELECTRICAL PARTS LIST ~~~~~~~~~~~~ 41