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WM-BF49
Tape
Speed
Adjustment
Procedure
:
|
Mode
: playback
WG: West Germany
.
test tape
|
digital frequency
KNOB (TUNE)
|
WS-48A
|
counter
|
|
|
|
|
(3kHz,0dB)
,
@Repeat
the procedures
in each adjustment
several
times,
and
the frequency
coverage
and
tracking
adjustments
should
be finally done
by the trimmer
capacitors,
waned,
CTSNET
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i
| memedbekadeth
tot A LL
Titiiity
at
Neat
headphones jack
(earphones)
Specification :
f minimum
«020M
;
.
(107.8MHz)
Frequency
difference between
the
beginning
and
the
end
of the tape should
be within
+1.5% (+45Hz),
FM
Tracking
Adjustment
,
SG
and
set
Raise
'
Readi
fraquency
justment
par
Reading
on
VTVM
87.0MHz
L2
(87.35MHz)
maximum
109.0MHz
MW
Frequency
Coverage
Adjustment
Point
position
part
VTVM
520kHz
(526.5kHz)
maximum
- SECTION 2
CAL AND ELECTRICAL ADJUSTMENTS
Adjustment Location
TS
ELECTRICAL
ADJUSTMENTS
ICASSETTE
SECTION
Playback
Head
Phase
Check
TION
phases,
roller
Procedure :
Phase
Check
Mode
: playback
ad with a head demagne-—
(1,606.5kHz)
wdriver for the adjustments,
performed with the rated
otherwise 'noted,
test
tape
;
P-4-A063
;
/
L-CH
(6.3kHz,
— 10dB)
oscilloscope
ELECTRICAL
ADJUSTMENTS
pu pes
Adjustment
part
Reading on VTVM
sin
TUNER SECTION
AM
rf_ signal
generator
il
ADJUSTMENT
LOCATION
ia
ee
headphones
jack
(earphones)
Put
the
lead-wire
_
antenna
close
to the set.
30%
amplitude
modulation
by
400Hz signal
Output
lavel: as low
as
possible
-cm
z* inch)
CQ102C
eeeule
|
in phase
4
|
eee
ea
parma
FM
rf signal
CQ-201B
good
|
generator
CQ-102C
O o
22.5kHz frequency
deviation
by
1kHz
signal
Output level: as low as possible
-©cm
z ° inch)
Torque
Meter
z ° inch) .
FM
antenna
terminal
component
side
Meter
Reading
Note:
BAND
SW
at MONO.
more than 90g (1.260z)
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