Troubleshooting guide, No sound from die speakers, Tape operation – Sony CFD-22 User Manual
Page 6: Cd operation, No tape operation, Specifications, Audio power specifications, Power output and total harmonic distortion, Other specifications, Check the following possible causes
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Troubleshooting Guide
—Check the following possible causes.
General
No sound from die speakers
• Improper polarity of the batteries
• Weak batteries -» Replace all the batteries with new
ones.
• improper FUNCTION selector setting
• The headphones are plugged in.
Tape Operation
CD Operation
* •
The unit does not operate
• The disc is inserted with the labeled surface down.
• The disc compartment lid is not closed.
• Dusty or defective disc -» Clean the disc with an
opticai cleaning cloth. Wipe the disc from the center
out.
• Moisture condensation See “Precautions”.
• Improper FUNCTION selector setting
• When the CD operation buttons cannot be activated,
turn off the unit and turn it on again.
Skipping of sound in CD operation
• Dusty or defective disc Clean the disc.
• Dirty lens -» Clean the lens with a commercially
available blower.
• Strong vibrations
Lens
No tape operation
• ■ PAUSE button is depressed. Press again to
release it.
• REC button cannot be depressed.
• The cassette inserted has the tabs removed. -» Cover
the slots.
Sound dropouts, loss of high frequencies, or excessive
noise
•
Dirty heads -» Clean the portions illustrated below
with a cleaning tip slightly moistened with cleaning
fluid or alcohol.
Recording or piayack cannot be made or there is a
decrease in sound level.
• Dirty heads Clean the heads.
• Improper FUNCTION selector setting
Unsatisfactory erasing
• Dirty erase head -» Clean the head.
Pinch roller Record/playback head
Specifications
Audio Power Specifications
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
With 3.(k)hm loads, both channels driven from 150-15,000 Hz: rated 2.3 W per channel
minimum RMS power, with no more than 10% total harmonic distortion in AC operation.
other Specifications
CO player Mction
System
Laser diode properties
Frequency response
Wow and flutter
Radio section
Frequency range
Compact disc digital audio system
Material: QaAIAs
Wavelength 780 nm
Emission duration: Continuous
Laser output: less than 44.6
m
W
This output is the value measured at a
distance of about 200 mm from the objective
lens surface on the optical pick-up block.
20-20.000 Hz ±2 dB
Below measurable limit
FM: 87.6-108 MHz
AM: 530-1,710 kHz
Antennas
FM: Telescopic antenna
AM: Built-in ferrite bar antenna
Tape recorder section and general
Recording
system
Frequency response
Speaker
Input
4-track 2-channel stereo
70-10,000 Hz
(with TYPE I (NORMAL) cassette)
Full-range speakers: 10 cm dia., cone type
Mixing microphone input Jack (minijaciq
OQnSIllVHy ^9 MlV
Output
Power requirements
Power
consumption
Battery life
Headphones jack (stereo minijack)
For 16-88 ohms impedance headphones
120V AC, 60 Hz
OC 9 V, 6 size 0 (R20) batteries
25 W
(hours)
FM recording
Tape playing
CD playing
Sony SUM-1 (NS)
approx. 9
approx. 6
approx. 25
Sony Alkaline AM 1 (N)
approx. 165
approx. 11
approx. 45
Dimensions
Mass
Supplied accessory
Approx. 410
X
170
X
235 mm (w/hid)
(Approx. 16% X 6% X 9% inches)
incl. projecting parts and controls
Approx. 4.2 kg, Incl. batteries
(Approx. 9 lb 5 oz)
AC power cord (1)
Design and specifications subject to change without notice.
Optionai Accessories
Sony “MDR” headphone series
Sony “Dynamic microphone” series
tizer