ICF-C470 --C470L CLOCK
RADIO Adjustments & Circuit Diagram _ SONY CLOCK RADIO
ADJUSTMENTS
Setting
the clock and the date
Plug
in the unit. The display will flash ‘AM
12:00” or “0:00”.
While
holding down CLOCK, press the Time-Set+ or –ve till the correct time appears in
the display. When you release the CLOCK,
the clock begins to operate.. the clock
system varies depending on the model you own.
12- hour system: “AM 12:00” = Midnight.
24 hour system “0:00” = Midnight.
To set the current time rapidly, keep pressing the “TIME SET” + or – ve
while holding down the clock.
OPERATING
THE RADIO
Press
RADIO ON / SLEEP to turn on the radio and adjust VOLUEME. Select FM, AM / LW and tune in to a station
using TUNING.
ADJUSTING
THE BRIGHTNESS OF THE DISPLAY
Set
BRIGHTNESS to the position which gives you the desired display visibility [High
or Low]. To turn OFF the radio, press
RADIO OFF / ALARM RESET / OFF.
TO
IMPROVE RADIO RECEPTION
FM: extent the FM wire antenna fully to improve
FM reception.
AM
[MW] / LW: rotate the unit horizontally for optimum reception. A ferrite bar antenna is built into the unit.
SETTING
ALARM
To
set the radio alarm, first tune in to a station and adjust volume.
While
holding down the ALARM (A) RADIO, for the radio, or (b) BUZZER, for the buzzer,
press TIME SET + or – till the desired time appears in the display.
When
you release ALARM OR THE ALARM A or B indicator stops flashing and lights up,
and the current time in the display. The
alarm will come on at the preset time and will automatically turn itself off
after 59 minutes.
ADJUSTING
THE ALARAM LEVEL
Adjust
the loudness of the alarm by setting B BUZZER VOLUEME to Small, Medium or
Big. If you set Alarm A and alarm B to
the same time, only Alarm A will work.
The Buzzer Volume switch affects only the loudness of the buzzer
alarm. Use Volume to adjust the volume
of the radio alarm. To shut off the
Alarm, press Radion Off / Alarm reset / Off.
The alarm will come on at the preset time the next day. To cancel either alarm, press Radion Off /
Alarm Reset / Off while holding dowon alarm A or B.
To
doze for a few minutes, press NOOZW/DATE/SLEEP OFF. The alarm will shut off, but will come on
again after 6 minutes. You can repeat
this process as many times as you like.
To check the preset time, press ALARM (A) or (B)
SETTING
THE SLEEP TIMER
Press
RADIO ON/SLEEP. The radio turns on.
Press
RADIO ON/SLEEP repeatedly until the desired preset time appears on the display
(90,60,45 or 15 minutes). For every push
the display changes as: Current time > 90 > 60 > 45 > 30 > 15
> <(Back to current time). The radio will play for the duration you have
set, and will then turn off automatically.
To turn on the radio before the preset time, press SNOOZE/DATE/SLEEP
OFF.
ICF-C470 Schematic & PWB
ICF-C470L Schematic & PWB
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