Sony ICF-860L - Section 2 Electrical Adjustments; FM Electrical Adjustments; MW;LW;SW Electrical Adjustments

ICF-850L ICF-850L
SECTION 2
ELECTRICAL ADJUSTMENTS
FM
BAND
switch:
FM
—
BAND
switch
:
MW
(when
MW
adjustments)
.
|
|
:
LW
(when
LW
adjustments)
=
moos
:
:
SW
h
SW
adjust
t
pt
a
one?
acjushments)
©)
jack
(earphone)
AM RF signal
generator
(MW,
LW)
Put
the
lead
wire
Note: LW adjustment should be made
antenna close
( | FM antenna
OC 00luF —
°
set
Lee
to
the
set.
after
making
MW
adjustments,
(¥
1)
Carrier
frequency
:
98MHz
6
;
Paes
jack
Modulation
:
1KHz,75kHz
deviatio
ee
|
. .
|
os
ann
°
°
(earphone)
ane
or
@Repeat
the
procedures
in
each
Adjustment
several
times,
modulation
and
the
frequency
coverage
and
tracking
adjustments
@R
t
th
d
h
adiust
t
by
400Hz
signal
epea
e
procedures
in
each
adjustmen
should be finally done by the trimmer capacitors,
several
times,
and
the
frequency
coverage
AM
RF
signal
and tracking adjustments should be finally generator (SW)
done by the trimmer capacitors,
SW antenna
terminal
30%
amplitude
generator
modulation
by 400Hz signal
S RF signal
* 1
FM IN _ 4 | | LW TRACKING ADJUSTMENT MW TRACKING ADJUSTMENT MW FREQUENCY COVERAGE
ADJUSTMENT
Adjust for a maximum reading
Adjust for a maximum reading
on VTVM..
————
i
a
im
a
on
VTVM,
|
Adjust
for
a
maximum
reading
———_
yl
ADJUSTMENT
240kHz
160kHz
1400kHz
620kHz
on
-VIVM,
Ast
(oceania
escine
1650kHz
sagen
ann
86.5MHz
|
rN
vpn
——
.
|
L4
aN
.
|
*
87,
35MHz
109,5MHz
CT's
*
107.8MHz
*G-— AEP model
SW FREQUENCY COVERAGE
_ ADJUSTMENT
Adjust for a maximum reading
on VTVM,
3
1
in
\
86.5MHz
109.5MHz
|
we
ps
LW
FREQUENCY
COVERAGE
|
:
7
ADJUSTMENT
o7.35Mviz_|
107.
8M
pers
|
ts
. T6 oe
Adjust for a maximum readin
Adjust
for
a
maximum
reading
,
|
400kHz
a:
ee
oe
sent
|
on
VTVM,
:
CT8 — ~ 260kHz
on VTVM. .
Adjust for a maximum reading
Adjust for a maximum reading
on VTVM. |
FM
TRACKING
ADJUSTMENT
*G—-AEP
model
| | |
=)
AMP
TRACKING
ADJUSTMENT.
|
—
__SW_TRACKING
ADJUSTMENT
7-37
|
|
—
q4—