Sony CFD Z550 Service Manual

CFD-Z500/Z550

SERVICE MANUAL

Ver 1.1 1999. 08

Photo : CFD-Z550

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS (US Model)

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
With 3.2-ohm loads, both channels driven
from 150 - 10,000 Hz; rated 1.8 W per
channel-minimum RMS power, with no more
than 10% total harmonic distortion in AC
operation.

CD

Section

TC

Section

US Model

Canadian Model

Model Name Using Similar Mechanism CFD-ZW750/ZW770
CD Mechanism Type KSM-213CDM
Optical Pick-up Name KSS-213C
Model Name Using Similar Mechanism NEW
T ape Transport Mechanism T ype MF-Z500-117

Other Specifications

CD player section

System

Compact disc digital audio system

Laser diode properties

Material: GaAlAs
Wave length: 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of
about 200 mm from the objective lens surface on
the optical pick-up block with 7 mm aperture.)

Spindle speed

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

Number of channels

2

Frequency response

20 - 20,000 Hz +1/–2 dB

Wow and flutter

Below measurable limit

Radio section

Frequency range

FM: 87.6 - 108 MHz
AM: 530 - 1,710 kHz

Antennas

FM: Telescopic antenna
AM: Built-in ferrite bar antenna

Cassette-corder section

Recording system

4-track 2 channel stereo

Fast winding time

Approx. 120 s (sec.) with Sony cassette C-60

Frequency response

TYPE I (normal): 80 - 12,500 Hz

General

Speaker

Full range: 10 cm (4 in.) dia.,

3.2 ohms, cone type (2)

Outputs

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

Power output (excluding US model)

2.3 W + 2.3 W (at 3.2 ohm, 10% harmonic
distortion in AC operation)

– Continued on next page –

MICROFILM

CD RADIO CASSETTE-CORDER

– 1 –

5-6. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 37 for IC Block Diagrams.

CFD-Z500/Z550

• Wavef orms (MODE:PLA Y)

1

2.5V

Approx. 100mVp-p

$¶

(TEI)

IC701

2

1.3±0.5Vp-p

#£

(RFO)

IC701

3

4

Approx. 200mVp-p

1

@¡

(FEO)

(MDP)

IC701

IC703

2Vp-p

7.6µsec

2.5V

5

16.9344MHz

IC703

&¡

(XTAO)

2.2Vp-p

(Page 30)

(Page 33)

Note:

• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in Ω and 1/
specified.

Note:

The components identi­fied by mark ! or dotted
line with mark ! are criti­cal for safety.
Replace only with part
number specified.

• U : B+ Line.

• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.

• Voltage is dc with respect to ground under no-signal
condition.
no mark : CD (STOP)

• Wavefor ms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc­tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.
J : CD

4

W or less unless otherwise

Note:

Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.

– 23 – – 24 – – 25 –

5-8. SCHEMATIC DIAGRAM — MAIN SECTION — • Refer to page 26 for Note on Schematic Diagram.

• Refer to page 39 for IC Block Diagrams.

CT1-3,L3

T1

FM IF

AM TRACKING

CFD-Z500/Z550

CT1-4,L4

AM FREQUENCY

COVERAGE

CT1-2,L2

FM FREQUENCY

COVERAGE

CT1-1,L1

FM TRACKING

T2

AM IF

(Page 24)

(Page 36)

(Page 33)

– 29 – – 30 –