Sony cfd g 70 l service manual

Page 2

CFD-G70L

Maximum power output
Main speaker: is w
Subwoofer: 12 W
GAME Xpand: 2.4 W
Power requirements
For CD radio cassettercorder:
Argentine model: 220 » 230 V AC. 50 Hz
Other models: 230 V AC, 50 Hz
12 V DC, 8 R20 (size D) batteries
For remote control:
3 V DC, 2 R6 (size AA) batteries
Power consumption
AC 35 W
Battery life
For CD radio cassettercorder:
FM recording
Sony mop: approx. 5.5 h
Sony alkaline LR20: approx. 18 n
Tape playback
Sony mop: approx. 1.5 h
Sony alkaline LR20: approx. 5 n
CD playback
Sony mop: approx. 1 it

Sony alkaline LR20: approx. 4 li

Dimensions

Approx. 530 195 342 mm (w/h/d)

(20 7/3 x 7 3/» x13 '/2 inches)(incl. projecting parts)
Mass

Approx. 7.4 kg (16 1b. 5 oz) (incl. batteries)
Supplied accessories

Mains lead (1)

Remote control (1)

Av connecting cord (1)

Audio connecting cord (1)

Design and specifications are subject to change without
notice.

Infomation
For customers in Europe

CLASS 1 LASER PRODUCT
LUOKAN 1 LASERLAITE

KLASS 1 LASERAPPARAT

This Compact Disc player is classified as a CLASS 1 LASER

product

The CLASS 1 LASER PRODUCT label is located at the bottom

of the playerr

Flexible Circuit Board Repairing

- Keep the temperature of the soldering iron around 270°C during

repairingr

- Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times)

- Be careful not to apply force on the conductor when soldering

or unsolderingr

Notes on Chip Component Replacement
- Never reuse a disconnected chip component

- Notice that the minus side of a tantalum capacitor may be dam-

aged by heat
SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINEWITH
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 PUBLISHED BY SONY.
2

TABLE OF CONTENTS

Specifications rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr 1

1.

2.

SERVICING NOTES 3

GENERAL

Location and Function of Controls rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr 5

DISASSEMBLY

3-1r
3-2
3-3
3-4
3-5
3-6
3-7r
3-8
3-9
3-10.

3-11.

3-12,

Cabinet (Front) ASSY, Cabinet (Rear) ASSY
Control-l Board, Control-2 Board
Headphone Board
Cabinet Top ASSY
LCD Board rrrrrrrrr
AC Inlet Board, Power Board
Tuner Board rrrrrrrrrrrrrrrrrrrrrr
BATT Board, BA'IT COM Board
Main Board rrrrrrrrrrrrrrrrrrrrrrrrrrrrr
CD Board, TC Board, Optical Pick-up Block,
Mechanism Deck rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
M321 (Capstan/Reel Motor), Belt,

HRP301 Head, Magnetic (Record/Playback)
HE301 Head (Erase) .........
Optical pick»up (KSS-213C)

oomoooooqqox

._.._.

.-

ADJUSTMENTS

4-1r
4-2r

Mechanical Adjustments
Electrical Adjustments r.

DIAGRAMS

5-1r
5-2
5-3
5-4
5-5
5-6
5-7r
5-8
5-9
5-10.
5-11.
5-12.
5-13,
5-14.
5-15.
5-16.
5-17,

Explanation of 1C Terminals
Block Diagram ~ Tuner/TC Section A
Block Diagram ~ Main Section _
Block Diagram ~ CD Section - x
Printed Wiring Board ~ Tuner Section 7 ,
Schematic Diagram _ Tuner Section
Printed Wiring Board - CD Section # r.
Schematic Diagram ~ CD Section A ..
Printed Wiring Board ~ TC Section e
Schematic Diagram _ TC Section - ..
Printed Wiring Board - Main Section ~
Schematic Diagram ~ Main Section (1/2) 7
Schematic Diagram ~ Main Section (2/2) A
Printed Wiring Board - Control Section - r.
Schematic Diagram ~ Control Section A ,
Printed Wiring Board ~ Power Supply Section -

. 32
Schematic Diagram ~ Power Supply Section A 33

EXPLODED VIEWS

6-1r
6-2
6-3
6-4
6-5
6-6

.38
.39
.40
.41
.42
.43

Cabinet (Front) Assy ..
Cabinet (Rear) Assy
Cabinet Top Assy
Mechanism Deck Section (1) (MF-V5-117)
Mechanism Deck Section (2) (MF-V5-117) rrrrrr
Optical Pick-up Block Section (KSM-213CDP)

ELECTRICAL PARTS LIST ...................................... 44