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Alignment Instructions - Panasonic NATIONAL R-441B Service Manual

4. band portable radio

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ALIGNMENT. INSTRUCTIONS.
Notes:
i
SIGNAL GENERATOR
— * + / | — s —
RADIO. DIAL_—sC}.-_s
INDICATOR
|
.
:
SETTING
"(ViVi or
CONNECTIONS
FREQUENCY | [DISTANCE]
SCOPE)
MW
ALIGNMENT
eemecne
REMARKS _
Fashion loop of
|
7
Point of non-
|
Ti
(Ast
IFT)(P)
1
several turns of wire
a Nine
interference.
Output meter
Tz
(ist
IFT)(S)
Adjust for.
and radiate signal
with 400 Hz.
(on/about.
woiee Boll
T3
(2nd IFT)
maximum output.
into loop of receiver. |
- 600 kHz)
Ta
(3rd IFT)
rere for maximum
output, Adjust (L2) by
moving coil bobbin
along ferrite core.
550 kHz .
(10.0mm (%")}
'Ls (OSC Coil)
7 550 kHz
|
|
|
(*)iL2 (ANT ra
Dey
C13 (OSC |
Adjust for
1600 KHz
1600 kHz
|
C
an
ales
Bey.
:
Seipiin
rN
epeat steps
|
(96.3mm (372"))_
Trimmer)
and (3).
SW1 ALIGNMENT
1.6 MHz
~
(3.3mm (%"))
|
Adjust for maximum].
output. AdjustL3 by
|
moving
coil bobbin:
along ferrite core.
- Ly (OSC Coil)
( Ils (ANT coll
Crz (OSC
)
Trimmer):
Cs
(ANT
|
- Trimmer)
-
Adjust for maximum
output.
|
Repent steps (4)
and (5).
4.5 MHz ©
(103.0mm
(44%")]
after completing alignment.
SW2 ALIGNMENT |
4.5 MHz ~
(3.3mm (%"))
+ Cement antenna bobbin with wax
Stand frame antenna
and radiate ae to
frame antenna.
La (OSC Coil)
Le (ANT Coil)
Adjust for
maximum output.
Trimmer)
and (7).
SW3 ALIGNMENT
12 MHz
(3.3mm (%")]
Ls
(OSC Coil)
ts
(ANT Coil)
_ Adjust for
.
maximum
output. .
Cze (OSC
|
Adjust for
9
26 Miz
c
ann
ai adt elt oe.
|
ae
9
epeat steps
CIOS. Crom 76 2)
Trimmer)
| and (9).
MW ANT
ie
a
al
poss
Sw
Ant
.
Swat
eee
ae
a
&] ~
O
Je,
|
O * Ea)
"ee
:
cy} (Ah (s
au He ie
a Sm )aNT Ss 'Ti
Ati
=
XOXO)
ca
AM Ist
e)
-
ase
van
SW ANT
1.
12MHz
jral
e] "
a
iS) ale elo]
Se
==
a
A sae sate
:
'Lal
Lal
=
'OOOa ih
mw 0osCc
ay rite
ee
Sw30SC
. 1800eHz
45M
12My
26uHe
'Ss
&
&
a
Ao.
7
Set
o e
git,
"oak ee
Alignment Points

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