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Sony ICF-SW20 Service Manual

Sony ICF-SW20 Service Manual

Fm/mw/sw 1-7 9 band receiver

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SERVICE MANUAL
SPECIFICATIONS
Frequency range
FM:
76— 108 MHz (US, Canadian, E model)
87.6 — 107.5 MHz (AEP, UK, Italian,
Saudi Arabia model)
IF:
10.7 MHz
SW1: 5.775-6.425 MHz
SW2: 6.875-7.525 MHz
SW3: 9.375- 10.025 MHz
SW4:
11.615-12.265 MHz
SW5:
15.00- 15.65 MHz
SWE:
17.50- 18.15 MHz
SW7: 21.325-21.975 MHz
ist IF: 10.7+0.35 MHz
2nd IF: 455 kHz
MW:
530 — 1710 kHz (US, Canadian,
E model)
531 — 1602 kHz (AEP, UK, Italian
Saudi Arabia model)
IF:
455 kHz
Antenna
FM/SW: telescopic antenna
MW: built-in ferrite bar antenna
Speaker
Approx. 4.4 x 4.4 cm (194 x 144 inches) 8 Q
Power output
100 mW (at 10% harmonic distortion)
200 mW (maximum output)
Output
Earphone jack (minijack)
Power requirements
3 V DC, two R6 (size AA) batteries.
Battery. life
Approx. 22 hours with Sony SUM-3 (NS)
Dimensions
Approx. 116.5 x 72.5 x 28 mm (w/h/d)
(4 x 2'/g x 1% inches)
Weight
Approx. 203 g (7.2 02) incl. batteries
Accessories supplied
Earphone (1), Carrying case (1),
Short wave guide (1)
Design and specifications subject to change without notice.
e Band spread system enables you to easily tune in SW
Stations.
¢ Dual conversion circuit effectively reduces SW bands
interference from other SW stations.
MICROFILM
[1] SW BAND selector
[2] TUNE (tuning indicator)
The indicator lights up when signal
is received.
{3] TUNING control
(4] Dial scales
(5) Hand strap
6] Band selectors and indicators
(FM/MW/SW)
The unit turned on with the band
selectors.
(7] OFF (power off) button
US Model
Canadian Model!
[13)
AEP Model
UK Model
E Model
HOLD switch
Set it to the direction of the arrow:
When listening, to avoid accidental
change of the functions.
When not using, to prevent
accidental pressing to turn the
power on.
Speaker
@® (earphone) jack
TONE (MUSIC/NEWS) selector
MUSIC: for listening to the music
NEWS:
for listening to news, etc.
VOLUME
control
Telescopic antenna
FM/MW/SWi7
J BAND RECEIVER

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