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7
ALIGNMENT INSTRUCTIONS
AM AliGNMENT
.
Volume
co ot
r ol
should
be
a
t maximum
~
Itloo.
Output
of
I!
lgnOil
gene
rat
or !Should
be
no
highH
than
Jlt!£
c .sary to obtain an output
read
ing
.
Us
c an In8ulated alignment
sc
r
ll....drlve
r
for
adju..-iUng.
DUMMY
ANlENNA
SIGNAL
GENEItATOA
~INC
SIGNAL
?f<'!i~~~~
BAND
SWITCH
PO
.
RADIO
SE~~'
S
G
OUTPUT
METER
ADJUST
REMAAKS
.
05mfd
Rlgh s
ide to
pin 2 (grid) of
e:CHBI
IV3)
.
Low
~
i
d
e
to
460KC
{.Oo-.
Mod)
AM
550KC
Across
Voice
coil
AI,A2
A3,A4
Adju8t for
maxim
u
m output
chalSbls.
Fig.
I
Thru dummy
to
antc
rilla
receptacle.
46
0KC
AM
550KC
Ac
ross
Voi
ce
coIl.
A5
Adjust
far MlNlMUM
output
Fig. I
Thru dummy
to
antenna
r
eceptacle
.
IBI0KC
AM
Tuning
ga
ng
lullyopen
.
Across
Voice
ca
ll
AO
Adjust
for
wwmum
o
utput
Flg
.
I
Thru dummy to antellna
1400KC
AM
1400KC
ACr
Olll
s
Voice
A7
Adjus
t for mwolum
output
rec
e
ptacle
.
Coil.
Fig. I
Tbrl.l dummy to
antenna
600KC
AM
BOOKC
Acroas
Vo
ic
e
AB,A9
Adjus
t for maximum output
r ecepta
cle
.
co
il
Fig. I
Thru
dummy
to
antenna
rec
cptacle
.
200KC
LW
20
0KC
Acr
oall
Vo
ice
co
t!
AIO,
AI
Adjust
fa
r maximum output
FM
IF ALIGNMENT USING
AM
SIGNAL GENERATOR AND
VTVM
c~nec
t
two matched
lOOK
{!
fG
r
eaiJJt(J
r
s
In
.G
ri
l!lI
fo
rm
poi
nt
~
to
chu
sis.
as !j
hown
on
the
schcmOlt.i
c
.
Ttl
_
junction
of th ese two
r
es
Is
tors
hi a
llgnmenl polnl
DUMMY
ANTENNA
SIGNAL
~~J~'6'
SICNAl
?REE~E~~g~
BAND
S~6'~H
RADiO
DIAL
SEnlNG
CO
NNECt
VTVM
ADJUST
REMARKS
200mmf.
High
side to pin 2 (grid) of
E
CHal
(V)
.
Low
s ide to
chass1
s.
10
.
7MC
(Unmed
.
l
PM
.-
PM
aOMC
DC
p($e
10
point
.
C
Ommo
to
c ha
s
!l
lti
.
AI2
,
AI
AI4,A
I
Adlust lOr moaimum
deUectlo
n.
F
Ig.
1
Thru dummy
10
ant
e
nna
recept<Lcl
c.
1O.7
MC
90MC
~~n~~ol~mon
to chaSSis
.
AIS
,
A17
AlB
Adjust
fo
r maAimum defl
ecllfl
n.
FIg
.
I
Thru
dumm
y
to
anl
c nna
r
ecept
a
cle
.
10
.
7MC
FM
90
Me
DC
probe
to
point B cQ:D1on
to point
,
AlB
Adjust
(o
r
z
ero
r
e
ad")
g.
A
pos
itive
"'lid
l1t.:ga
tlve r C:ldlng will bt..
obta
lncd
on
e
ither
side
of the
correc
t tHHU ng
.
FM
IF
ALIG
N
M~NT
USING
FM
SLGNAL GENERATOR
AND
OO
C
ILLOS
COPE
Use frequency
modul;l,t
~
.'Inal with
Sen.
modulation and
450KC
~w
c
e-p
.
UI
'-,
120'\.
sawt oolh voltage in
a
C
~1Il
tor
110
rilOnlai d eflecti on
.
SIGNAL
RA
DIO
SIGNAL
BAND
CONNECT
DUMMY
REMARKS
OIAl
ADJUST
SWITCH
ANTENNA
SCOPE
~~G~~~R
~AEEtg~~~g~
POS
SEmNG
90
MC
Vert Amp
to
Adjust
lo
r curv
e
of maximum
a
mplitude
E
CHBI
(V3).
Low !lide to
7
200
mmf
Hi
gh sid
e
to pin 2 (grid)
o
f
FM
All,AI3
10
.
'MC
(450KC
AI4
,
AI5
and
symmetry s
imilar to Fig
.
2
chulIl
•
•
pOint<¢>.
Low
Sweep)
a ide
t
o
Chaa,
llt
.
Vfl
rt
!Imp to
Adjust
for
curve or maxJmum I.I mplltud
c
rl'
cc
pt
acle
Thru dumm
y
to
:atl
te
nna
PM
iIOMe
A18
,
AI"
8.
F ig
.
I
10
. "
MC
AI
8
and
sYO'Imetr
y
similar
to
Fig
.
2
sid.
to
Chass\1i
.
..
Fig. 1
POi
1it~>LOW
90Me
Adjust
11
0
that
10.
7MC
OCCurs at cl!nter
T
hru dumm
y
to ailt enn"
10.7MC
FM
AI.
Ve
rt ®p
to
point
. Low
of
crosso
ver
II
ne~
1!llmll
ar to
rig.
3
1!llde
to C ha.s
s l..,
.
r
~ct'
p
l
a
cle
.
SLIGHTLY retouc
h
AI2 for
maxImum
3Implitude
a
nd
straightne
ss
of
cross·
ov
e
r
U
p."
.
FM RF A
LIG NME:NT
0
I
DUMMY
ANTfNNA
SIGNAL
~~J:t,~~.
SIGNAL
¥:E~~~g~
BAND
SWITCH
P~S
.
RADIO
DIAL
SEntNG
CONNECT
VTVM
ADJUST
REMARKS
Fig. I
T
b
ru
dummy to antenna
receptacl
e
105MC
( Unmod
. )
PM
10 5MC
DC probe
to
point~
Commo
n \0
ch
a.
lI!I
ls
.
A20
,
A21
Ad ju6t for
maxI
mum
defie{:l\on.
Fig.
I
Tl
lru dumm
y
to OI
nte
nna
r oceplacle.
88MC
FM
SaMC
DC
pr~
to
point
.
Co
mmon to
chaSSis
.
A22,
A23
AdjUBI
fo
r
ma
:dmum dcflectl
on.
I
Wit
h
radio
IMUlIed
Itl
COlT
and ant
f'
l"lf1a
full
y
r-..
u
el1dt>d,
tu
ne
In.J.
w
(f;tX
ill
a
ti
on
1li"!IJr
600KC
a nd
Ol
djus
t
A7 for
maximu
m
vo
lume.
,---------'
I
20
I
TO
I
MMF
t
- - - - - - - - t
TO
SIGNAL
0
- - - - '
c=3
ANTENNA
I (
I
GENERATOR]l
1--
-----...1
RECEPTACLE
I
.JS
I
l_____
I~M~J
FIG.
f1G.2
fiG
.
3
I
I
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