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Sony ICF-7800 - SECTION 4 DIAGRAMS - SCHEMATIC (Continued); Detailed Schematic Component View

Sony ICF-7800
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7800
__—sCICF-7800
R
1C2
CXI6I
1C3
CXI6!
02,3
182076
1C4
CXI62
DS
IT26
06,7
IT26
FM
IF
AMP
(5.243
FM
IF
AMP
FM
IF
RECT
FM/AM
IF
AMP
AM
DET
FM
DET
ee
ccs
a
a
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oe
tae
ali
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Shi
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By
Stet
ARTE
Pl
oe
3
R26,
68k
7
R9
;
:
C15
150
rv
€20
0.01
aS
Rel
L.c32
oe
(I6W)
601
AS
heey
:
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1k
220
|
c90
02
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RIOZ
cig
10/3.15V
ces
330]
o.01
=
100p
(I6w)
C
j
,
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30
j
1073.15]
“2
R5_
100k
=
4
R29
|.8k
R64
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SWITCH
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anor
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SWITCH|
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ley
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a
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TIMER
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CXI65
4
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PREAMP,
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CONTROL_
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R51
360.
4
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reo
.
27k
iver
|
04,
1726
001.27.
=
C65
C67
sav
|
=
0
URRENT
CONTROL
fa
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330p
.
220/6.3V
4
(4—9)
(1)
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ai
SWITCH
ARD
TAGE
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>
RRENT
JET
Pa
TIMER
SET
a
CONTROL
MINUTES
ICF-7800
Note:
e
All
capacitors
are
in
uF
unless
otherwise
noted.
pF
=
wuF
50V
or
less
does
not
indicated
except
for
electrolytics.
e
All
resistors
are
in
ohms,
1/gW
unless
otherwise
noted.
kQ
=
10002;
MQ
=
1000
kQ
e
All
adjustable
resistors
have
characteristic
curve
B.
e
R56
MARKED
x
varies
according
to
the
IC8.
IC8
CX077-00
A:
internal
component.
weem
:
B+
bus.
(__]
:
panel
designation.
[___]
:
adjustment
for
repair.
77,:
chassis
ground.
Voltages
are
dc
with
respect
to
ground
unless
otherwise
noted.
Readings
are
taken
under
no-signal
(detuned)
condition
with
a
VOM
(20k/V).
[
]:
TIMER
SELECT
HOURS
OR
MINUTES
|
4
|
ae
!
(
):
AM
(
):
FM
\
*{
|:
VARIEGATED
WITH
TIMER
SET
CONTROL
|
i
t
(VR4).
no
mark:
COMMON
e@
Voltage
variations
may
be
noted
due
to
normal
produc-
tion
tolerances.
e
Switch:
$1-1—1-6
BAND
SELECT
FM
$2-1,
2-2
TIMER
SELECT
OFF
$3-1,
3-2
POWER
OFF
S4
SQL/AFC
OFF
$5
METER
SELECT
TUNING
S6
LIGHT
OFF

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