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'-
-RF-B50L —-RF-BS5OL
m@ FM ALIGNMENT
SIGNAL GENERATOR or
SWEEP GENERATOR
CONNECTIONS
|FREQUENCY
—"INDIGATOR
CABINET AND ELECTRICAL PARTS LOCATION
(ELECTRONICS
or SCOPE)
FM-IF ALIGNMENT
Connect vert..
amp. of scope to
test point
Negative side 'to
test point Y .
RADIO DIAL
SETTING
ADJUSTMENT
K5
K4
|
K3
REMARKS
Connect to test
point YY through
0.001uF. Negative
side to test point
Point of non-
interference. (on/
about 90 MHz)
|
Adjust for maximum
T1 (FM ist IFT) | amplitude.
|
| (Refer to fig. 23.)
(20)
| Adjust for maximum
amplitude.
ae
| T4 (FM 2nd IFT)
oe
Hgelel to fig. 24.)
(21)
EM. BE ALIGNMENT _
90MHz -
"(Refer to -
Fig. 19]
8 5 (FM OSC
Coil)
; L4 (FM ANT
~
Coil)
CT1-3 (FM OSC
~~
Trimmer).
CT1-4 (FM. ANT
Trimmer)
| Output meter
| across voice
coil.
:
Connect to test
point W through
FM dummy
antenna. Negative
side to test point
| (*4) Adjust
for maxi- |
mum
output.
| (* 4) Adjust
for maxi-. |) ©
mum
output...
Repeat steps:
20) 8 and i)
106MHz
7
[Refer to
Fig. 19]
(« 4) Three output responses will be present; proper tuning is the center frequency.
450 ki
Z
AM
2nd
462 kHz
FM 2nd
SWIXTIFT
ve
I7 8OOMHz SW7 ANT
MW OSC
IL BESOMHz
21.600MHz
ET EB E21 8, 9 E22 E19 £20 e1-3
E14
FM Ist
10.7MHz
FM OSC
90 MHz
|©
Les] eo
SW ANT!
SW5 ANT.
|
I5.275MHz
E15
SW2 ANT
7.200MHz_
FM ANT
.
E12
SOMHz
©
EN
IG. 20ers
a
= ES £4 E17 E25 =o E25 €18
£2:
SWIA7ANT
10.475 MHz
E16
E24
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