SONY ICF-C703 FM PLL Synthesized Clock Radio Instruction Manual

June 10, 2024
Sony

ICF-C703 FM PLL Synthesized Clock Radio
Instruction Manual

ICF-C703 FM PLL Synthesized Clock Radio

WARNING
To prevent fire or shock hazard, do not  expose the unit to rain or moisture.
CAUTION
RISK OF ELECTRIC SHOCK  DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, 00 NOT REMOVE COVER (OR SACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
This symbol is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be o f sufficient magnitude to  constitute aristo electric shocktopersons.
This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
*The graphical symbols are o n the bottom enclosure of the AC power adaptor.
You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. ‘

INFORMATION

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Past 15 of the FCC Rules. These limits are designed to provide  reasonable protection again? harmful intesterence in a residential installation. This , equipment generates, uses, and can radiate radio frequency energy and, if not installed  and used in accordance with the instructions, may cause harmful interference to radio communications. However, there ts no guarantee that interference will not occur in a particular installation. If this equipment does cause hornful interference to radio or television reception, which can be determined by turning the equipment off and on, the  user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outie on a Circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

WARNING
To avoid electrical shock, do not open the cabinet.
Refer servicing to qualified d personnel! only.

For the Customers in Canada
THIS APPARATUS COMPLIES WITH THE CLASS B LIMITS FOR RADIO NOISE EMISSIONS SET OUT I N RADIO INTERFERENCE REGULATIONS.

For the Customers in Canada
CAUTION:
TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS POLARIZED AC PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET  UNLESS THE BLADES CAN 8E FULLY INSERTED TO PREVENT BLADE EXPOSURE.

NOTICE FOR THE CUSTOMERS IN THE UNITED KINGDOM
A molded plug complying with BS 1383 is fitted to this equipment for your safety and convenience.
Should the fuse in the plug supplied need to be replaced,  AMP fuse approved by ASTA or BSI to BS 1362, (i.e. marked with or Y mark) must be used.
If the plug supplied with this equipment has detachable fuse cover, be sure to attach the fuse cover abler you change the fuse. Never use the plug without the fuse  cover. if you should lose the fuse cover, please contact your nearest Sony service station.

IMPORTANT
If the plug supplied ts not suitable for the socket outlets in your home, it should be cut off and an appropriate plug fitted in accordance with the following instructions.
The wires in this mains lead are coloured in accordance with tive following code:
Blue: Neutral Brown: Live
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:
The wire which is coloured blue must be connected to the terminal) which is marked with the letter N or coloured black. The wire which is coloured brown must be  connected to the terminal which is marked with the letter L or coloured red. Do not connect either wire to the earth terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured green or green and yellow.
WARNING
To prevent shock hazard, do not insert the plug cut off from the mains lead into a socket outlet.
This plug cannot be used and should be Destroyed.

Before You Begin

Thank you for choosing the Sony clock radio!
The clock radio will give you many hours of retable service and listening pleasure.
Before operating the clock radio, please read these instructions thoroughly and retain them for future reference.
These instructions cover two models:
the ICF-C703 and ICF-C709L.
The band for each model and the area where the model is available are shown below.

Where available Mode number Band
North and South American counties ICF-C703 FM/AM
UK ICF-C703L FM/MWAW
Other countries ICF-C703 ICF-C703L FM/AM FM/MW/LW.

Operating the Radio

Manual Tuning

  1. Press RADIO ON/SLEEP to turn on the radio.
    The band, frequency and preset number indications will be displayed in the display window after “On” and preset number appear for about 2 seconds.
    They change to the current time indication after about 10 seconds.

  2.  Adjust VOLUME.

  3. Press BAND to select the band.
    Every push changes the band as follows.
    (The last frequency selected in each band appears.)
    FM/AM = ICF-C703 only
    FM/MWI/LW = ICF-C703L only

  4. Tune in a station by pressing the + or – button of TUNING/TIME SET.
    The FM channel step is set to 0.1 MHz (North and South American model) or 0.05 MHz (other modest; The FM frequency indication changes every 0.1 MHz’s).
    The AM(MW) channel! step is set to 10 kHz for models for North and South America and 9 kHz for models for other countries.
    The LW channel step alternates between 2 kHz and 7 kHz.
    A beep sounds at the band edge.
    To turn off the radio, press RADIO OFF/ALARM RESET.
    To improve radio reception
    Fa: Since the antenna is encased in the AC power cord, extend the cord to improve FM reception.
    AM(MW)/LW: Rotate the unit horizontally for optimum reception. A ferrite bar antenna is built into the unit.

  • To check the station you are distending to, press RADIO OWSLEEP.
    The band and frequency appear for 10 seconds.
    For the Customers Supplied with an FM Antenna Coupler
    Clamp the AC power cord with the supplied coupler and connect it to a wall FM antenna terminal for optimum FM reception.

3. Release A RADIO or B BUZZER.
The alarm time is set. The indication becomes the current time.
4. Press ALARM MODE til! the alarm you want to set appears in the display.
Each push changes the alarm indication as follows.
When you want to set both A RADIO and B BUZZER alarm, set both A RADIO and B BUZZER alarm time by performing steps 2 and 3 above.
The radio or buzzer will automatically sound at the preset time, and automatically turn itself off after 60 minutes, unless it is timed off manually.

  • To shut off the alas manually, press RADIO OFF/ALARM RESET. The alarm will come on at the preset time the next day.
  • To cancer the alarm before the alarm time, press ALARM MODE till the appropriate alarm indication disappears.
  • To check the preset time, press A RADIO or B BUZZER.

Notes

  • The buzzer sound level is fixed, and independent of the VOLUME coal.
  • If you set A RADIO and B BUZZER to the same desired time, only A RADIO will work.

To Doze for a Few More Minutes

  1. Press SNOOZE/SLEEP OFF.
    The radio or buzzer will shut off but will automatically come on again after about 8 minutes.

You can repeat this process within 1 hour,
When the snooze alarm function is operating, the alarm indication flashes.

Setting the Sleep Timer
Enjoy falling asleep to the radio using the built – in steep timer that shuts off the radio automatically at preset tine.
1. Press RADIO ON/SLEEP repeatedly.
The radio turns on. You can set the sleep timer of 90, 60, 30 or 15 minutes.
Each push changes the display as follows.

The radio will play for the time you set, then shut off.

  • Fou of the radio betore the preset time, press SNOOZE/SLEEP OFF.
    To Use Both Sleep Timer and Alarm Function
    You can fait asleep to the radio sound and be awakened by the radio/buzzer alarm at the preset

    1. Set the alarm. (See “Setting the Alarm’)
    2. Set the sleep timer. (See “Setting the Steep Timer’)

Note
When the alarm time arrives while the sleep timer is working, the slope timer is canceled d and the memo amen cousin

Features

  • Dual alarm PLL (phase locked loop) synthesized Clock radio
  • Display with adjustable brightness
  • 5 random memory presets
  • Self power back-up:
    Even if the power supply is interrupted, the time setting and the memory will be backed up for 1 hour without battery.

Precautions

  • Operate the unit on the power sources specified in “Specifications”.
  • The nameplate indicating operating voltage, etc. ig located at the bottom of the unit (North and South American node!) or at the bottom of the AC power adaptor (other modes).
  • To disconnect the power cord (mains lead), pull F out by the plug. not the core.
  • The unit is not nested from the AC power source (mains) as long as it is connected to the wail outlet, even if the unit itself has been turned off.
  • Do not place the unit on surfaces (rugs, blankets, etc.) or near materials (curtains, Graperies) that block the ventilation holes.
  • Should anything fall into the unit, unplug the unit and have it checked by qualified personnel! before operating it further.
  • To clean the casing, use a soft cloth dampened with a mild detergent solution.

Please note that accordingly only Sound and TV-Radio Receivers meant for the entire population are allowed to be received via this set.
If is prohibited to receive ail other transmission such as police radio or mobile radio. it you have any questions or problems concerning your unit, please consult your nearest Sony dealer.

Setting the Clock

  1. Plug in the unit.
    The display will flash “AM 12:00″ or “0:00”.

  2.  While holding down ENTER/CLOCK, press either + or — of TUNING/TIME SET till the correct time appears in the display.
    When you release ENTER/CLOCK, the clock begins to operate and “:° flashes.
    ¢ The clock system varies depending on the trowel you own.
    12-hour system: “AM 12:00” = midnight
    24-hour system: “0:00” = midnight

  • To set the current time rapidly, keep pressing ENTEFYCLOCK and the « or ~ button together to advance or return to a time that is within a few minutes of the  current time. Then press the + or = button to set the time to the current time.
    Changing the Brightness of the Display Window
    To change the brightness of the display window, side BRIGHT (brightness).

Preset Tuning

Presetting the Station
You can preset up to 5 stations in FM/AM(MW) LW with numbered buttons 1 to.
Example: To set AM 1260 kHz in preset number 2.

  1. Tune in to AM 1260 kHz (See “Manual Tuning”).
  2. Press ENTER/CLOCK. “P” flashes for about 10 seconds.
  3. Press the “2” button while “P” is flashing.
  • The beep sounds twice and the station is preset. Though the indication changes to the current time after 10 seconds, the preset number remains.
  • To change the preset station, set a new station’s frequency in the number whose station you want to change. The previous frequency Is canceled.
  • Note that the preset 1 station is used for the wake up station of the radio alarm.

Tuning in a Preset Station

  1. Press RADIO ON/SLEEP to turn on the radio.
  2. Press the preset number button of the Station.
    The band, frequency and preset number appear in the display window. After 10 seconds, the indication changes to the current time. The preset number remains.
  • To turn off the radio, press RADIO OFF/ALARM RESET.
  • To check the station you are listening to, press the preset number button. The band and frequency appear for 10 seconds.

Setting the Alarm

You can set the radio and buzzer alarms. The wake up station is that preset in number 1.
To set the radio alarm, first preset a desired station for wake up to the preset number 1 (see “Preset Tuning”), and adjust the volume.

  1. Turn off the radio.

  2. While holding down A RADIO or B BUZZER, press either + or — of TUNING/TIME SET till the desired time appears in the display.
    The A RADIO or B BUZZER indicator flashes while these buttons are being heed down.

  3. Release A RADIO or 6 BUZZER.
    The alarm time is set. The indication becomes the current time.

  4. Press ALARM MODE till the alarm you want to set appears in the display.
    Each push changes the alarm indication as follows.

When you want to set both A RADIO and B BUZZER alarm, set both A ~ RADIO and B BUZZER alarm time by performing steps 2 and 3 above.
The radio or buzzer will automatically sound at the preset time, and automatically tuin itself off after 60 minutes, unless it is turned off manually.

  • To shut off the alarm manually, press RADIO OFF/ALARM RESET. The alarm will come on at the preset time the next day. ‘
  • To cancel the alarm before the alarm time, press ALARM MODE till the appropriate alarm indication disappears.
  • To check the preset time, press A RADIO or B BUZZER.

Notes

  • The buzzer sound level is fixed, and independent of the VOLUME dial. ‘
  • if you set A RADIO and 6 BUZZER to the same desired time, only A RADIO will work.

To Doze for a Few More Minutes

  1. Press SNOOZE/SLEEP OFF.
    The radio or buzzer will shut off but wilt . automatically come on again after about 8 minutes.
    You can repeat this process within 1, hour.
    When the snooze alarm function is operating, the

Setting the Sleep Timer

Enjoy falling asleep to the radio siring the built-in Sleep timer that shuts off the radio automatically at a preset time.

  1. Press RADIO ON/SLEEP repeatedly.
    The radio tums on. You can set the sleep timer of 90, 60, 30 or 15 minutes.
    Each push changes the display as follows. ;
    The radio will play for the time you set, then shut off.
    To turn off the radio before the preset time, press SNOOZE/SLEEP OFF.

To Use Both Sleep Timer and Alarm Function
You can fall asleep to the radio sound and be Wakened by the radio/buzzer alarm at the preset

  1. Set the alarm. (See “Setting the Alarm’)
  2. Set the sleep timer. (See “Setting the Steep Timer)
    Note
    When the alarm time arrives while the sleep timer is working, the sleep timer is canceled and the

To turn off the radio before the preset time, press SNOOZE/SLEEP OFF.
To Use Both Sleep Timer and Alarm Function
You can fall asleep to the radio sound and be awakened by the radiofouzzer alarm at the preset time.

  1. Set the alarm. (See “Setting the Alarm”)
  2. Set the sleep timer. (See “Setting the Sleep Timer”) ;

Note
When the alarm time arrives while the sleep timer is working, the sleep timer is canceled and the alarm sounds.

Band Frequency range Channel step
FM 87.5 – 108 MHz 0,1 MHz (fixed)
AM 530 ~ 1,710 kHz 10 kHz (fixed)
FM 87.5 – 108MHz 0.05MHz(fixed)
AM (MW) 831 – 1,602 kHz 9 k H z (fixed)
LW (CF-C703L only) 183-281kHz 2kHz=2 7 kHz

*The frequency display is raised or lowered by a step of 0.1 MHz (Example: Frequency 88.05 MHz is displayed as “88.0 MHz”) .

Intermediate frequency:
FM: 10.7 MHz, AM: 450 kHz
Speaker: Approx. 5.7 om (2 ‘/4 inches) dia.
Power output: 150 mW (at 10 % harmonic distortion)
Power requirements: UK: 240 V AC, 50 Hz
North and South America: 120 V AC, 60 Hz
Other countries: 220 – 230 V AC, 50 Hz
Dimensions: Approx. 128 x 92.8 x 137 mm (wish/d) (5 “6×3 5/45 ‘/2 inches) incl. projecting parts and controls
Mass: Approx. 495g (1 lb20z) =!
Accessory supplied: FM antenna coupler (1,
Models for Netherlands, Belgium, Switzerland,
Austria and Scandinavia only):
Design and specifications subject to change without notice. :

Note
This appliance conforms with EEC Directive 87/ SOB/EEC regarding interference suppression.

Troubleshooting:

Shouted any problem occur with the unit, make the following simple checks to determine whether or not servicing is required.
if the problem persists, consult the nearest Sony dealer.
The clock does not show the correct time.
There has been an electrical power interruption tasting for more than 1 hour. ;

The radio or buzzer alarm sound does not come on at the preset time.
Check the followings:

  • ls the current time correctly set?
    Check the AM/PM indication. (UK and North and South American models only)
    (s the alarm time correctly set?
    Check the AM/PIM indication. (UK and North and South American models only)

  • (g the station you want for the wake up station preset to the preset button 1? opts VOLUME adjusted correctly?
    Wit is turned down completely, the radio alarm will note heard. Be sure to tum up the volume.

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