Troubleshooting Guide - Sony ICF-2001 Operating Instructions Manual

FM: Superheterodyne
AM: Dual conversion superheterodyne
FM 87.5 to 108 MHz
AM 150 to 26,100 KHz (2,000 to 11m)
Circuit system
Frequency range
Antennas Telescopic antenna (AM/FM)
Built-in ferrite bar antenna (AM 360 to
2,143 KHz)
External antenna terminals (AM/FM)
Speaker Approx. 10cm (4 inches) diameter
Power output 1,200 mW (at 10% harmonic distortion),
1,600 mW (max.)
Input Timer input jack (minijack)
Outputs Recording output jack (minijack)
output level 0.8mvV (—60 dB)
output impedance 1 kilohm
Earphone jack (minijack)
for 8ohm earphone
Power requirements Radio: 4.5V dc, three IEC designation R20
batteries (D size)
110, 127, 220 or 240 V ac 50 Hz with
optional Sony AC-122 AC Power Adaptor
12V car battery with optional Sony
DCC-127A Car Battery Cord
Computer:
3V dc, two IEC designation R6
batteries (AA size)
Power consumption 16W ac at 50Hz with Sony AC-122 AC
Power Adaptor
Radio: with Sony SUM-1S Super Batteries:
Approx. 9 hours, if tuned to AM
Approx. 10 hours, if tuned to FM
Computer: with Sony SUM-3S Super
Batteries, approx. 1 year of continuous
operation
Approx. 310x 171x56 mm (w/h/d)
(121,x 63/,x 24, inches)
including projecting parts and controls
Weight Approx. 1,800 g (4 {b)
including batteries
Accessories supplied 1 Earphone
1 Shoulder Strap
1 AM External Antenna
1 Station Label
Battery life
Dimensions
Design and specifications subject to change without notice.
Optional accessories
AC Power Adaptor AC-122, Car Battery Cord DCC-127A, Connecting
Cord RK-69A (miniplug to miniplug)
TROUBLESHOOTING GUIDE
a
Should any problem occur with the set, make the following simple
tests to determine whether or not servicing is required.
If the problem persists after you have made these tests, consult the
nearest Sony dealer for further information.
[ Frequency Display section
No display or incorrect display
@ Weak computer batteries.
@ Computer batteries were replaced within a minute after their
removal. In this case, remove computer batteries, and after a
minute or more, insert the batteries again.
Display is dim.
@ Weak computer batteries.
Replace computer batteries once a year.
@ The set is being used in extremely high temperatures or in a
place with excessive moisture.
| Radio section
Sound is not heard at all.
@ The VOLUME control is slid to MIN.
@ The earphone is plugged in.
@ Incorrect polarity of radio batteries.
@ The ac power adaptor is not connected on ac operation.
@ Battery operation is attempted while an ac power adaptor or a
car battery cord is connected to the set, but not to a wall outlet ora
cigarette lighter socket.
@ A timer is connected to the © jack.
Very weak or interrupted sound, or unsatisfactory reception.
@ Weak radio batteries.
@ Weak signal.
When in a vehicle or in a building, listen near a window.
Tune more precisely with the UP » or < DOWN key.
Frequency cannot be input when Direct Tuning.
@ The EXECUTE key was not pressed within 10 seconds after the
Counter Keys have been pressed.
Scanning or presetting frequency cannot be input.
@ The EXECUTE key was not pressed after the Counter Keys have
been pressed.
@ To input a frequency, while pressing the ENTER key, press the Li
or L2 key, or one of the MEMORY PRESET buttons.
The set will not scan.
Check that the —P indication is displayed on the Frequency
Display.
Scanning does not stop automatically during automatic scanning.
@ The SCAN AUTO STOP switch on the right side of the set is set
to OFF.
@ Weak signal.
@ The RF GAIN switch is set to LOCAL.
Preset station cannot be tuned in, even though the MEMORY
PRESET button is pressed.
@ Incorrect setting of the BAND selector.
Preset again after replacing computer batteries.
The radio does not turn off at the time set by the SLEEP button.
@ The POWER switch is set to ON.
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