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Motorola VWA63 Service Manual page 2

Auto radio

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STEP
GENERATOR
CONNECTION
GEN FREQ
(400
cycle
30%
mod)
TUNER
SET
TO
AD.TUST
REMARKS
IF
ALI(
I.
RF AL]
2.
]NMENT
To collector
of
RF
arnp
thru
.
1mf
&
chas
sis
GNMENT
Ant
recept
thru
dummy
(see
figure
)
262.5
1610
Kc
Hi
end
stop
Hi
end
stop
1,2,3
&4
5, b,
/
&8
Adjust
for
rnaxirnum
Adjust for
maximum
ALIGNMENT
Connect an output
rneter
across
the
speaker
voice coil.
Set
volume
to
rnaximum
uatesignalgeneratoroutputto maintain I watt
(1.79
volts
across
3,2 ohm
load)
on
and
tone
to
treble.
Atten-
output
meter
at
all
times.
NOTE:
Do not perforrn
Steps
3,
nents have
been replaced.
socket
to
expose
the
core
possible out of
the coils
to
Ant
recept
thru
durnmy
(see
figure)
tt
4, 5
&
5
unless the
tuner
has
b'een
tampered
with or
associated
comPo-
If
necessary,
Temove
the
escutcheon,
dial
background
and
the
pilot light
screws.
Before proceeding
with
Step
3,
back
the tuning cores
as
far
as
elirninate
their effect
on
trimmer
adjustments.
3.
6.
5 until no further increase;
Step
5
Weak
station
around
1400 Kc
Adjust
for
maximum
Adjust
for
rnaximum
Adjust for
maximurn
Iast step.
Then,
cernent core
Adjust for
rnaximum with
radio installed in car
and
antenna
fully
extended.
NOTES}
ALIGNIIENT
IOCATION
DETAIL
16t
0 Kc
1200
Kc
1610 Kc
Hi
end
stop
Tuner
carriage
.285'r
f
rorn Hi
end
stop
Hi
end
stop
s, 6,7
&8
9,10,
r1
& l2
5, b,
/
&8
should
be
Repeat Steps
4
and
screws
in
place.
ANTENNA
7.
PLUG TO
FIT
RECEIVER
ANT-ENNA RECEPTACLE
TO
REOEIVER
}ANTENNA
RECEPTACLE
L__.___l
OAN
ATTACH€D
TO
PLUG
TO SIGNAL
GENERATOR
DI'UXY
ANTETNA
DETAIL

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