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Sony ICF-C240 - 2-2. SCHEMATIC DIAGRAM; Semiconductor Lead Layouts

Sony ICF-C240
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2-2.
SCHEMATIC
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DESIGNATION
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ain
(POWER
BACK-UP
FOR
CLOCK)
@
SEMICONDUCTOR
LEAD
LAYOUTS
188119
10E2
2SA1175-HFE
28C2001-K2
extede
sia
se
il
il
os:
node
eey
TIME
SET.
line
with
mark
A\
are
critical
for
safety.
Note:
The
santa
fhe
by
mark
A\
or
dotted
Replace
only
with
part
number
specified.
st
[—
Eanction]
——
ALARM
]__[ALARM]
[RADIO]
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BUZZER
|
*—
[RADIO
ON.
IT
model:
Italian
model.
*
XX:
Printed pattern
functions
as
a
kind
of
coil.
@
All
capacitors
are
in
uF
unless
otherwise
noted.
pF:
u
uF
5OWV
or
less
are
not
indicated
except
for
electrolytics
and
tantaluns.
@
All
resistors
are
in
Q
and
%
Wor
less
unless
otherwise
specified.
e.
Aa
:
internal
component.
.
B+
lines.
©
Voltage
and
waveforms
are
dc
with
respect
to
ground
SP1
under
detuned
condit
ions.
no
mark
:
FM
():
AW
©
Voltages
are
taken
with
a
VOM.
(input
impedance
10
MQ)
Voltage
variations
may
be
noted
due
to
normal.
produc~
tion
tolerances.
@
Signal
path.
>:
FM

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