ALIGNMENT
INSTRUCTIONS
At IGNMENT INSTRUCTIONS-PEAD CAREFUTLY BEFORE ATTEMPT|NG AtlGNl,tENT
Duing allgnment
the chassis should be
pl4ced
over e
metal
plate
approximately the sahe diatase that
tle
battery
pack
would be froD the
bottoE
of
the.cbEsls when
the ch4sis is in the cabitret.
zenith a1ign6etrt mench +68-19,
or equivaletrt, sbould
be
wed to adjust
the IF trualormer cores.
With tuine
gang
fuUy closed
set
the dial
pointer
to
"0"
on the logging sc4le
(iop
dial. scale).
Volume
contlol should be at mffiimuE
poslUgn.
Output
of slgoal
generator
Bhould
be no hlgher
thu neceaaary
to
obtain
e
output readltrg.
Use u.
hsulated
alignment
screwatcirer
for adjuting.
Use
battery
power,
il
pos8ible.
II
AC
power
ia usd, use e isolation trrufolmer
when available.
If
not, corect a
.IMFD caprcito! td sbries
with
low side oI the slgnal
getrerator
ad B-.
DUMMY
ANTENNA
5IGNAL
GENERATOR
ant tDt tNa
5IGNAL
SENERATOR
SW'CH DIAI.
OUTPUT
METER
ADJUST
REA'iARKS
.1MFD
High side to
pin
6
(erid)
of 1L6
(V2).
Low side to
pin
I
(negative
side of
ftlaEent).
455KC
(40orMod)
Broad-
cGt
600xc
Acroga rcice
coil
Al,A2,
43,44
AdjEt lor
EuiEum output. Il AC
power
ia wed
without u islation
huslormer,
reduce duEmy
utem to 200MMI
to
reduce hrm modulation,
Ioop l600Kc 160oKc
A5
FuhioD loop of Beveral t!ru of
wire ed
radiate sigul into loop of receiver, Adjst
for milimud output.
1400Kc 140oKC
A6,A?
6 00Kc 600Kc A8 Adust lor duimum output
vhile
rocktng
tuning
gang
thru 600KC signal.
Eieh side to 3 foot leneth
of wire
placed
one foot
from e*ended seve rod-
7.8MC
(400rMod)
4-8MC 7.8MC A9,AIO
AII
Adjut fot maximum deflection.
4
"2MC
4.zMC Ln
Adjwt
5r @ximuE ouq)ut vhil.e rockitrg
tunirg
gerg
tbtu 4.2MC signal.
AI3,AI, Adjst
for ouimum output. Repeat
steDs 6 bd ?.
3.gMC
2-4!',[C
3.gMC a]5,4'16
AI7
Adjst for madmuE output.
2.lMc 2.IMC AI8
Adjwt
for
ouiaum output vhile
rocking
tuing
gang
tbru Z.IMC 8igna].
a]g
A2( Adju6t fo! muimuE outt[t. Repeat
ste6 I dd 10.
Eigh side to 3 foot length
ol
vile
placed
gne
foot
from
extedded
whip
ant.
17.8MC
(40otuMod)
[6 meterr
l?.8MC Acroas voice
coil
A2r,Azi
n'23
Adju6t
lor
@ui@uB output while
rocking
tuing
geg
tbru 17,8MC
sisal.
15.2MC Ig metera 15- 2MC
\24,425
A26
Adjust
lor mqimuB output
whlle
rocktng
tuning
gag
thru I5.2MC
sisnal,
l1.8MC l5
Eeterr u.8MC
,21,A28
A29
Adjut
for BadEuE output while rockirg
tuning
eug
tbru U.8MC
siglal.
9- 6MC 11
meter! 9.6MC
lero,esr
I
A32
AdjEt for
muimum output while rocking
tuaiDg
gug
thlu 9.6MC signal.
ing chssis in cabiret
switch
fc nuinumEEre.
1,
10.
1A
4.2
AB Bc osc
At4
4.AN/C
ANT
4.2MC
Ail
At7
4-8MC ANT
TaMC
2_4MC ANT
3.9
MC
A2?
I6M RF
t78MC
A25
IgM
RF
t5,2MC
426
19M
ANT
t5.2 MC
I A2A
I zsv Rr
(
il.8MC
A3r
3IM
RF
9.6MC
osc
432
3IM ANT
9.6 MC
29
25M
ANT
il.4 Mc
PAGE 6
ALIGNMENT
POINTS