Sony WALKMAN WM-F702 - Printed Wiring Boards - Radio Section

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SEMICONDUCTOR
LOCATION
45,
PRINTED
WIRING
BOARDS
—RADIO
SECTION—
—RADIO
SECTION—
CASSETTE SECTION
{RADIO FLEXIBLE BOARD]
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SEGMENT
DIAGRAM
COMMON
DIAGRAM
Note:
.
All
capacitors
are
in
uF
unless
otherwise
noted.
pF:
»
uF
+
Voltage
and
waveforms
are
dc
with
respect
to
ground
5OWV
or
less
are
not
indicated
except
for
electrolytics
under
no-signal
(detuned)
conditions.
and
tantalums.
*
no
mark:
FM
Note
+
All
resistors
are
in
2
and
%W
or
less
unless
otherwise
+
Voltages
are
taken
with
a
VOM
(input
impedance
10M
¢
M
NY
va
’
specified.
Voltage
variations
may
be
noted
due
to
normal
produc-
-
ME:
parts
mounted
on
the
conductor
side.
ANLINA
A
EAI
.
:B+
Line
tion
tolerances.
Cad
hecsrad
-
*@_~
:
Through
hole.
—
‘C_]
:
adjustment
for
repair.
+
Signal
path.
+
Power
voltage
is
de
1.3V
and
fed
with
regulated
dc
power
=>
:
RADIO
: Pattern on the side which is seen.
CORO
OHO
OOORORIROROORORD
°
z=
f=)
°
supply from battery terminal.
: Pattern of the rear side.
-
[J
:
Components
extracted
from
the
rear
side.
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