Sony ICF-C212 (serv.man2) Service Manual ▷ View online
ICF-C212
SERVICE MANUAL
FM/AM CLOCK RADIO
SPECIFICATIONS
E Model
Australian Model
Ver 1.1 2003.05
9-877-143-02
2003E02-1
© 2003.05
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
Time display:
North and South America, Australia:12-hour system
Other countries/regions: 24-hour system
Other countries/regions: 24-hour system
Frequency range:
FM
87,5 - 108 MHz
AM
530 - 1 710 kHz
Speaker:
Approx. 6.6 cm (2
5
⁄
8
inches) dia., 8
Ω
Power output:
150 mW (at 10 % harmonic distortion)
Power requirements:
C&SA and Mexican model: 120 V AC, 60 Hz
Other countries model: 230 V AC, 50 Hz
For the power back-up function: 9 V DC, one 6F22 battery
Other countries model: 230 V AC, 50 Hz
For the power back-up function: 9 V DC, one 6F22 battery
Battery life:
Approx. 80 hours, using Sony 006P (6F22) battery
Dimensions:
Approx. 165 x 64.5 x 146 mm (w/h/d)
(6
(6
1
⁄
2
x 2
5
⁄
8
x 5
3
⁄
4
inches) incl.
projecting parts and controls
Mass:
Approx. 522 g (1 lb 3 oz.) not incl. battery
Design and specifications are subject to change without notice.
ICF-C212
2
TABLE OF CONTENTS
Specifications ........................................................................... 1
1. GENERAL
Location and Function of Controls .................................... 3
2. DISASSEMBLY
2-1. Cabinet (Upper) .......................................................... 5
2-2. Main Board ................................................................. 5
Installation Power Cord ..................................................... 6
Pointer
2-2. Main Board ................................................................. 5
Installation Power Cord ..................................................... 6
Pointer
Installation ............................................................. 6
3. ELECTRICAL ADJUSTMENTS
............................. 7
4. DIAGRAMS
4-1. Printed Wiring Boards ................................................ 9
4-2. Schematic Diagram ................................................... 10
4-2. Schematic Diagram ................................................... 10
5. EXPLODED VIEW
..................................................... 12
6. ELECTRICAL PARTS LIST
................................... 13
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH
MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
• HOW TO CHANGE THE CERAMIC FILTER
This model is used two ceramic filters of CF2 and CF3.
You must use same type of color marked ceramic filters in
order to meet same specifications.
Therefore, the ceramic filter must change two pieces together
since it's supply two pieces in package as a spare parts.
You must use same type of color marked ceramic filters in
order to meet same specifications.
Therefore, the ceramic filter must change two pieces together
since it's supply two pieces in package as a spare parts.
mark
mark
CF3
CF2
no mark
blue
orange
black
white
10.70MHz
10.67MHz
10.73MHz
10.64MHz
10.76MHz
Mark
Center
frequency
ICF-C212
3
SECTION 1
GENERAL
LOCATION AND FUNCTION OF CONTROLS
This section is extracted from
instruction manual.
instruction manual.
ALARM
RADIOB UZZE R
Function selector
AC power cord
FM wire antenna
There is a tactile dot beside VOL to show the direction
to turn up the volume.
to turn up the volume.
ICF-C212
4
Setting the Clock
1 Plug in the unit.
The display will flash “AM 12:00” or “0:00”.
2 To set the hour, while holding down
CLOCK, press TIME SET H. When the correct hour appears in the
display, release CLOCK.
display, release CLOCK.
3 To set the minute, while holding down CLOCK, press TIME SET M.
When the correct minute appears in the display, release CLOCK.
The clock will begin to operate when you release TIME SET M.
The clock will begin to operate when you release TIME SET M.
• The clock system varies depending on the model you own.
12-hour system: “AM 12:00” = midnight
24-hour system: “0:00” = midnight
24-hour system: “0:00” = midnight
• Each press on TIME SET H or TIME SET M advances the displayed
number by one.
• The minute digits advance to “00” after “59”. The hour digits do not
advance by pressing TIME SET M.
• To adjust the time exactly to the second, set the time one minute
behind the time you want to set. Press TIME SET M simultaneouly
with the time signal.
with the time signal.
Operating the Radio
1 Set the function selector to RADIO ON to turn on the radio and adjust
VOL (volume).
2 Select BAND and tune in a station using TUNING.
• To turn off the radio, set the function selector to OFF.
Improving the Radio Reception
FM: Extend the FM wire antenna fully to improve reception.
AM: Rotate the unit horizontally for optimum reception. A ferrite bar
AM: Rotate the unit horizontally for optimum reception. A ferrite bar
antenna is built into the unit.
Do not operate the unit over a steel desk or metal surface, as this may lead
to interference of reception.
to interference of reception.
Setting the Alarm
To set the radio alarm, first tune in to a station and adjust the volume.
1 To set the hour for alarm, while holding down ALARM, press TIME
1 To set the hour for alarm, while holding down ALARM, press TIME
SET H. When the desired hour appears in the display, release ALARM.
2 To set the minute for alarm, while holding down ALARM, press
TIME SET M. When the desired minute appears in the display,release
ALARM.
ALARM.
3 Set the function selector to ALARM MODE • RADIO or ALARM
MODE • BUZZER.
The alarm setting will be indicated in the display.
The alarm will come on at the preset time and automatically turn itself
off after 119 minutes.
The alarm setting will be indicated in the display.
The alarm will come on at the preset time and automatically turn itself
off after 119 minutes.
• To shut off the alarm, set the function selector to OFF.
To sound the alarm at the preset time the next day, set the function
selector to ALARM MODE • RADIO or ALARM MODE •BUZZER
again.
selector to ALARM MODE • RADIO or ALARM MODE •BUZZER
again.
• To deactivate the alarm, set the function selector to OFF.
The alarm indicator will be turned off.
• To doze a few more minutes, press SNOOZE/ SLEEP OFF.
The alarm will shut off but will come on again after about 9 minutes.
(While the snooze function is operating, the alarm indication is shown
in the display until the alarm function is deactivated.) You can use this
function as many times as you like.
(While the snooze function is operating, the alarm indication is shown
in the display until the alarm function is deactivated.) You can use this
function as many times as you like.
• To adjust the radio alarm volume, turn VOL.
The buzzer volume is fixed.
• To check the preset time, press ALARM.
Setting the Sleep Timer
Enjoy falling asleep to the radio using the built-in sleep timer that shuts
off the radio automatically.
1 While listening to the radio, set the function selector to OFF.
2 Press SLEEP.
off the radio automatically.
1 While listening to the radio, set the function selector to OFF.
2 Press SLEEP.
The radio turns on. It will go off after 59 minutes.
• To turn off the radio before the preset time, press SNOOZE/SLEEP
OFF.
• Every time you press SLEEP, the sleep timer is reset to 59 minutes.
• When you set the function selector to ALARM MODE
• RADIO or ALARM MODE • BUZZER, if the preset alarm time
• When you set the function selector to ALARM MODE
• RADIO or ALARM MODE • BUZZER, if the preset alarm time
comes while the sleep timer is operating, the radio or buzzer sounds
depending on which you set.
depending on which you set.
