Sony icf c 420 service manual
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Extracted text from sony icf c 420 service manual (Ocr-read)
Page 1
IF-8420
SERVICE MANUAL
US Model
TABLE OF CONTENTS
Section Title Page
Specifications ~
Features ~~~~~~
1. GENERAL
171, Location of Controls ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2
2. ELECTRICAL ADJUSTMENTS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 5
3. DIAL POINTER SETTING
371. Dial Pointer Setting ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 5
DIAGRAMS
44_ Printed Wiring Board .......................................... 7
4-2, Schematic Diagram ---------------------------------------------- 9
EXPLODED VIEW .................................................... 11
ELECTRICAL PARTS LIST ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 12
FM/AM DIGITAL ancK RADIII
SON'E
Page 2
lCF-C420 I
Spec catlon eat
Frequency range FM: 875-108 MHZ - Dual alarm digital clock radio.
AM: 530- 1619 kHz - Choice of radio or buzzer awakening sound for both ALARM and
Antennas FM: AC power cord ALARM I.
AM: Built-in ferrite bar antenna - DREAM BAR SNOOZE: snooze alarm that can be operated with a
Speaker Aprrox. 66 crn (25/3 inches) dia, feather-light touchr
Power output 100 mW (at 10% harmonic distortion) . FULL POWER BACK UP" -Power back-up function to keep the
Power requirement 120 V AC, 60 Hz clock and the alarm (radio and buzzer) operating during a power
For the power back-up function: interruption. using a 6F22 battery (not supplied)
9 V DC, one 6F22 battery
Battery life Approx 5 hours using Sony battery SOOGP (U)
Dimensions Approx 224 x 58.8 x 151 mm (wlh/d)
(87/3 x 23/5 x 6 inches)
incl. projecting parts and controls
Weight Approx. 630 g (1 lb 6 oz)
not incl battery
Design and specifications subject to change without notice.
SECTION 1
GENERAL
This section is extracted from
1-1. LOCATION OF CONTROLS instruction manual.
["1] Alarm selectors (ALARM l3). ALARM I: BUZZER/RADlO/OFF)
[5] AC power card (also works as an FM wine antenna)
[5] CLOCK set button
[E] TIME SET buttons (+/-)
['5] ALARM set buttons (El/I)
[6] Speaker
I:7_] Power back-Up battery compartment (bottom)
Lt!) Time display
[5] DREAM BAR snooze
{13] SLEEP button
[ti] HADlo 0N button
[ii] ALARM RESET/RADIO OFF button
I132] Dlal scale
['13) TUNING control
[131 BAND selector (FM/AM)
[1%) VOL (volume) control