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Connect an
output
meter across
the
erator
output
to maintain
l"
79 voltE
photo
for
adjustment
locations..
AL IGNMENT
speaker
voice
coil;
set volume
to maximum
and
tone
to
treble,
Attenuate
the
signal.
gen-
on
output
meter at
all
timeg to prevent
overloading
the
receiver"
Refer to
aligarbeut
l
NOTE:
-Do
not
perform
steps
3, 4,
5 &.6 unless the
tuner
has
been
tamiered
wlth
or
components
have
been
replaced.
Re-
move
the
escutcheon,
dial
gcale
assembly
and
dial
background
plate to
expose
the core
screws.
Before
proceeding
with
step
3,
back the
tunlng cores
as
far
ae
possible
out
of the
coils to
eliminate
their
effect
on
trimmer
adjustments.
3'
l**;i:lirJ,",,rl
""*'
l"o""u"'oo
l"un'
loo'.."'rorma<imum'
4'
I
I
""*"
l**'*t" l'''*"
l^o'""'rorrnaximum'
5.
I
I
1610Kc
I
ni.oa"toe
I
u,rn,
loor'"rrormaximum.
6,
Repeat steps 4 and
5
until
no
further increaee,
then cement
tuning cores
in
place.
Sttip
5
should be the
last
adjustment,
o*rttorRrMMER
I
I
I
I
7"
I
-
|
-
| Weat<station
I
I
I Witfrradioinstalledincarancian-
I
I
I
around
1400
Kc I
I
tenna
fully
extended,
adjust
an-
I
I
I
I
I tennatrimmerformaximum.
STEP
GENERATOR
CONNECTION
GENERATOR
FREQUENCY
(400
cycle
mod)
TUNER SET
TO
ADJUST
REMARKS
iF
ALIC
'.1
I
Rr'
ALI,
z.
I
iNMENT
Ant
recept
thru
,lmf&chassie
SNMENT
Ant
recept
thru
dummy (see
detail)
262,5
Kc
16l0
Kc
Hi
end stop
Hi
end
stop
L,
2,
3
&.4
5,6&7
Adjust
for
maximum,
Adjusi
for
maximum.
rl-r---Tl
z
r[_l;
T2
CONN
6946
RF
AMP
6846
6CR6
Dfr-AVC-AF AMP
6AQ'
PU'R
AMP
cl
105
NOM
I
I
I
F
I
I
I
I
I
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I
t_____________
CAPACIToRS
- Decinal
v6lues
in
Mt
others in
l,lilI
unl6s
otherwise
5pEilied.
Vol-TAGtS - Measur€d
lrcm poini
indicaled lo chdssi5
wlth 6
WVM.
104
tolerance.
No
signal inpul.
NPUT
Vol.lAG['7V
DC.
TUt{lilG
RANG!
- t40
KC
to
1610 KC,
It
fREautNcY -
262.5 KC.
0N-0fF swtTcH
cl9
S
PARl(
PIAT!
T
I
7V0C._
SCEDf,ATIC
DIAGMT
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