Sony ICF-SW77 Service Manual

CF-SW77
SERVICE MANUAL
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Mode!
SPECIFICATIONS
Circuit system
Frequency range
FM: Single conversion
superheterodyne
AM: Dual conversion
superheterodyne
Type
Frequency coveraae
FM* LW
MW
sw
1
2
3
4
76.0-108MHz
87.5-108MHz
87.5-108MHz
87.5-108MHz
150-
150-
150-285kHz
150-285kHz
531
531-1,602kHz
— 29,999.9kHz
— 29,999.9kHz
— 26,100kHz
3,850-26,100kHz
*Stereo reception when using stereo earphones
Type 1: Countries that are not listed below
Type 2: Germany, Austria, and Scandinavian countries
Type 3: Saudi Arabia
Type 4: Italy
Intermediate frequency FM:10.7MHz
LW/MW/SW: 55.845MHz (first)
455kHz (second)
Antennas FM/SW: Telescopic antenna
MW/LW: Built-in ferrite bar
antenna
Speaker Approx. 125
x
77 mm (5
x
3 in.)
QQ
Power output 400 mW (at 10 % harmonic
distortion)
Outputs
Recording output jack (stereo minijack)
Output level 138 mV
(-15 dB)
Output impedance less than
10 kilohm
Earphone jack (stereo minijack)
MICROFILM
Power requirements 6 V DC
Four R14 (size C) batteries
DC IN 6 V jack accepts:
• supplied AC power adaptor
(except for Australian model)
Where
purchased
AC power
adaptor
Operating
voltage
US model
AC-E604 120 VAC,
60 Hz
Canadian
model
AC-E602
110-120 V/
220-120 V
AC, adjust¬
able, 50/
60 Hz
UK model AC-E603 240 V AC,
50 Hz
AEP, E
Australian
model
AC-E600 110-120 V/
220-120 V
AC, adjust¬
able, 50/
60 Hz
• DCC-E160L car battery cord
(not supplied) for use with 12 V
car battery
Approx. 20 hours (FM reception)
Approx. 12 hours (AM reception)
of listening for fours hours a day
at a normal volume, using Sony
SUM-2(NS) batteries.
— Continued on next page -
LW/MW/SW/FM STEREO
SYNTHESIZED RECEIVER
Battery life
PLL