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Tape Speed
Adjustment
Procedure
:
Mode : playback
speed
checker or
headphones jack
(earphones)
Specification :
speed
checker
digital frequency
counter
Frequency
difference
between
the
beginning
and
the
end
of the tape should
be within+2.5%
(+75%Hz).
Adjustment
Location
ELECTRICAL
ADJUSTMENTS
-|TUNER
SECTION
AM
rf signal
generator
Put the
lead-wire
antenna
close
to the set.
30% amplitude
ei
modulation
by
400Hz
signal
Output lavel: as
low as possible
=
FM rf signal
generator
22.5kHz
frequency
deviation
by 1kHz
signal
;
Output level: as low as possible
FM antenna terminal
Note :
For adjustment of WM—BF22/BF28
BAND SW at STEREO.
WM-AF22/AF28/BF22/BF28
headphones
jack
@Repeat
the procedures
in each
adjustment
several
times,
and
the
frequency
coverage
and
tracking
adjustments
should
be finally
done
by
the
trimmer
capacitors.
(
):WG
model
:
f
):IT model
FM
Frequency
Coverage Adjustment
((.)) = WG, IT model
Pointer
Adjustment
SG
jeaueney
position
part
86.0MHz
((87,.35MHz))
109.5MHz
(107.8MHz)
[108,25MHz]
'f minimum
maximum
FM Tracking Adjustment
frequency
86. OMHz
maximum
(87,35MHz)
.
- 109.5MHz
(107.8MHz)
maximum
[108.25MHz]
os
Frequency
Coverage
Adjustment
pen
Adjustment
Reading
on
|
,
505kHZ -
minimum
((51 6 '5kHz))
maximum
,
1,680kHz
meumum
((1,631.3kHz))
MW
Tracking Adjustment
SG
and
set
frequency
maximum
MW
IF Alignment
SG
and
set
frequency
455kHz (468kHz)
a
a
a maximum
(
): UK
model
ADJUSTMENT
LOCATION
14 '
Jr
'Gu
component
side
—
5h —
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