JVC RX-301BK Serviceanleitung Seite 41
Inhaltsverzeichnis
RX-301BK
RX-301LBK
FM/MW/LW Tuner Alignment Procedures
TC106
(CW)
Pro
{V.Tune)
TI06 TIOS
(FM Det.)
TPZ
(FMCM.)
—
—
C1>
Front-end
Section
€2>
IF,
Detection
and
MPX
FM detector coil
: T1105, T106'
2. Adjust VRI67 so that
the channel
separation
becomes
maximum.
€3)
LW
SectionC(for
Europe
only)
LW oscillator
coil
: T104
1.Set
the frequency
display
to 144 kHz.
2. Adjust T104 to obtain
0.8 V at test point "TPIO1".
3.Set
the frequency
display
to 353 kHz and confirm
that the output of test point "TP101!°
is 7.7 V.
OO
OO
sss>00nmoa
In case of Italy
|
1.Set
the frequency
display
to 144 kRz.
2. Adjust T104 to obtain
1.0 V at test point "TP101".
3.Set
the frequency
display
to 290 kHz and confirm
that
|
|
1
|
|
|
|
|
the output of test point "TP101"
is 5.2 ¥.
LW antenna
coil
: T102
4.Connect
a loop antenna
to the
"AM LOOP"
terminal
on
the
rear
panel.
5.Adjust
1192
to obtain
the
best
reception
sensitivity
at 164 kHz.
LW antenna
trimmer
: TC106
6. Adjust
TC106
to obtain
the best
receiving
sensitivity
on 353 biz.
Se
SS SS Ste
ey
In case
of Italy
|
|
|
|
|
6.Adjust
TC106
to obtain
the best reception
sensitivity
{
at 245 kBz.
|
€4>
MW
Section
J]; the U.S.A.
and Canada
); Australia,
the U.K.,
Continental
Europe
and
. Other
Countries
Note:
[
¢
MW oscillator
coil
: T103
1.Set
the frequency
display
to (530 kHz)
(522 kHz) and
confirm
that
the output
of
test
point
"TP101"
is
{0.9 ¥] (0.9 ¥).
2.Set
the frequency
display
to [1710 kHz)
(1629 kHz)
and
confirm
that
the output
of test
point "TP101"
is
{8.0 ¥) (7.5¥).
3.1f
its output
is over 9 V at [1710 kHz],
adjust TL03
to obtain
[9.0 VJ.
MW antenna
coil
: T101
4.Connect
a loop antenna
to the
"AM LOOP"
terminal
on
the
rear
panel.
S.Adjust
T101
to obtain
the
best
reception
sensitivity
at (600 kHz]
(603 kHz).
MW antenna
trimmer
: TC1LO5
6.Adjust
T1C105
to obtain
the best
reception
sensitivity
at (1400 kHz]
(1404 kHz).
(No. 20073) 1-37
Inhaltsverzeichnis
