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Sharp GF-575H User Manual

Sharp GF-575H
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FM
IF/RF
ALIGNMENT
@
Set
the
Band
selector
switch
SW1
to
FM
position.
@
Set
the
FM
mode/FM
muting
switch
SW105
to
stereo/off
position.
SIGNAL
GENERATOR
RECEIVER
TEST
(Refer
to
Figure
26-9)
STEP
|
BAND
ADJUSTMENT
STAGE
CONNECTION
TO
INPUT
SIGNEL
DIAL
SETTING
RECEIVER
FREQUENCY
iF
Refer
to
Figure
264.
|
Exactly
10.7MHz.
High
end
of
dial.
Adjust
for
best
Adjust
the
FM
1
FM
See
({Unmodulated)
(minimum
capacity)
“S"
curve.
IF
transformers
1.
(T1)
Note
B
2.
(T2)
;
Refer
to
Figures
26-5
|
Exactly
87.3MHz.
Low
end
of
dial.
;
Adjust
for
Adjust
the
FM
local
and
26-6.
pcahe
FM
{maximum
capacity)
Dee!
osciliator
coil
(L4).
modu
output.
EM
Shee
;
;
:
;
Same
as
step
2.
coat
salitti
Aiea
of
dial.
Same
as
step
2.
Adjust
the
FM
local
z
f
minumum:
capacity,
oscillator
trimmer
(C19).
L
modulated)
--—-
+—..
Same
as
step
2.
Exactly
88MHz.
88MHz.
Same
as
step
2.
Adjust
the
FM
4
(400Hz,
30%,
FM
RF
coils
(L2,
L3).
modulated)
t———
FM
_
|
Tracking
}/—
—_|—
is
eee
Same
as
step
2.
Exactly
108MHz.
108MHz.
Same
as
step
2.
Adjust
the
FM
5
(400Hz,
30%,
FM
RF
trimmer
(C4).
modulated}
6
FM
Repeat
steps
2,
3,
4
and
5
until
no
further
improvement
can
be
made.
|
Color
Mark
Color
Mark
There
are
5
kinds
of
ceramic
filters
(CF1,
CF2)
available
with
this
unit
and
they
are
given
color
indication
as
1.
Input
tabulated
right
to
differentiate
the
central
frequency
from
2
SNe
3.
Output
one
to
another
among
them.
When
using
them,
be
sure
to
make
the
two
of
the
same
type
a
pair.
When
other
ceramic
filters
than
the
one
(red)
having
the
central
frequency
of
10.7
MHz
are
used,
note
that
a
marker
30h
'
|D
|
Black:
[|
10.64MHz
+30kHz
+
(10.7
MHz)
of
FM
sweep
generator,
if
used,
will
be
deviated
rahe
B
|
Blue:
|
eliacesesaal
therefore,
adjust
the
generator
by
putting
off
the
requency
|
A
|
Red:
[10.7
z
z
marker.
(fo)
10.73MHz
+30kHz
White:
10.76MHz
+30kHz
FM
STEREO
ALIGNMENT
@
Set
the
function
selector
switch
SW102
to
radio
position
and
FM
mode/FM
muting
switch
SW105
to
stereo/on
position.
RECEIVER
SIGNAL
GENERATOR
STEP
CONNECTION
TO
INPUT
SIGNAL
RECEIVER
FREQUENCY
Refer
to
Figures
26-6
Exactly
98MHz
(54dB)
and
26-7.
unmodulated.
ADJUSTMENT
DIAL
SETTING
REMARKS
Adjust
for
19
+0.1kHz.
Turn
the
FM
muting
sensitivity
adjust-
ing
semi-variabte
resistor
(R21)
fully
counterclockwise.
Adjust
the
semi-
variable
resistor
(R27)
FM
STEREO
INDICATOR
LIGHTING
LEVEL
ALIGNMENT
®
Set
the
function
selector
switch
SW102
to
radio
position
and
FM
mode/FM
muting
switch
SW105
to
stereo/on
position.
SIGNAL
GENERATOR
CONNECTION
TO
INPUT
SIGNAL
RECEIVER
FREQUENCY
Exactly
98MHz
(20dB).
(19kHz,
10%,
FM
modulated)
RECEIVER
STEP
|
BAND
ADJUSTMENT
DIAL
SETTING
REMARKS
Adjust
the
semi-variable
resistor
(R21).
98MHz
Adjust
so
that
the
indicator
starts
lighting.
Refer
to
Figures
26-6
and
26-8.
Stereo
—23—

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Sharp GF-575H Specifications

General IconGeneral
BrandSharp
ModelGF-575H
CategoryStereo System
LanguageEnglish

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