Sony cfd 770 s service manual

Page 1

CFD-TIUS

SERVICE MANUAL

E Model

Model Name Using
Similar Mechanism

:l'ape Sect-ion" NEW

Optical Device Name KSM-210BAN

DECK A: MF-770PB-65
DECK B: MF-770RP»65

Tape Transport
Mechanism Type

SPECIFICATIONS

CD player section

System Compact disc digital audio system

Laser diode properties

Material: GaAlAs

Wavelength 780 nm

Emission duration: Continuous

Laser output: Less than 44.6,;W

"This output is the value measured at a
distance of about 200 mm trom the
objective lens surface on the optical pick-up
block

200 rpm. to 500 rpm (CLV)

Sony Super Strategy Cross lnterleave Read

Solomon Code

Number of channels 2

Frequency response 20~20,000 H225 dB

Wow and flutter Below measurable limit

Spindle speed
Error correction

Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation,
"DOLBY" and the double-D symbol DD are trademarks of
Dolby Laboratories Licensing Corporation.

Radio section

Frequency range

FM MW sw
sw-1
_ 5.85-6.35 MHz (49m)
saw} 87.6-107 3"
Arabia MHZ 531-1602 7,004,511 MHZ (41 in)
Model kHz sw-a
(9 kHz 9,4o<9.eo MHz (31 m)
STEP) SW4
5304710 nee-12.10 MHz (25 m)
kHz sw-s
E 375403 (10kHz ism-15.60 MHz (19 m)
M d M STEP) sw-e
° e z 175548.05 MHz (16 m)
sw-7
21Ao-21.9o MHz (13 m)
FM MW/sw
IF
10,7 MHz 450 kHz
Antennas FM/SW: Telescopic antenna, External

antenna
MW: Built-in ferrite bar antenna

cu RADlll CASSETTE-BORDER
ONY;

Page 2

CFD-77OS

Tape recorder section and general
Recording system 4-track 2~channel stereo
Fast winding time Approx. 140 sec. with Sony cassette C-60
Frequency response - TYPE I (NORMAL) cassette: (SO-13,000
Hz
0 TYPE II (002) cassette: 60-16900 Hz

Speaker Two-way speakers: Woofer: 10 cm dia, oone
type, Tweeter: 5 cm
Power output Two~way speakers: 10 W + 10 W (at 4

ohms, 315 Hz, 10% harmonic dis rtion)
Inputs Mixing microphone input jack ('rninijack)
Sensitivity 2.5 mV
For low impedance microphone
Headphones jack (stereo minijack)
For 16-68 ohms impedance headphones
Two CD output jacks (phono jack)
Load impedance 10 kiiohmsnor higher
Rated output 0.98 V rms at load impedance
47 kilohms

Outputs

Model Identification

MODEL NO. CFD-77OS

CD RADIO CASSETTE-CORDER

3866-54401: Saudi Arabia model
3662-60201: E model

Maximum power output
10W +10 W

Power requirements DC 12V. 8 R20 (size D) batteries for CD
radio cassette-corder
DC 6V, 4 R6 (size AA) batterries for
ciock/timer/memory
1 10, 120 V
220. 240 V AC
adjustable

Power consumption 45W

Battery Iiie

50/60 Hz

Batteries for radio cassette-corder
Playback
Sony SUM-1 (NS) approx. 2 H approx. 0.5 H approx. 0.5 H
Sony Alkaline AM1 (N) approx. 5.5 H approx. 1.5 H approx. 1 H

Recording CD playing

For clock/timer/memory: Approx. 1 year
Dimensions 686 x 250 x 234 mm (w/h/d)
(271/8 x 97/5 x 9V4 inches)
incl, projecting parts and controls
Weight Approx. 9.8 kg, not incl. batteries
(Approx. 21 lb 10 oz)
Supplied accessories AC power cord (1)
Remote commander (1)

Design and specifications subject to change without notice.

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK A OF! 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.