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i .9 .6 .
7 . 10 .
Realignment of 244 L6:
Control settings:
SUPPLY switch:
STAI\D BY
i.
Cont\ect oscilloscope to 244 C44/ 244 L6®
2o Connect a shorting strap across c:apacitor 303 C1.
3. Press TUNE button and adjust 244 L6 for uaxinun clef lection on
a sc i 1 lci scope .
4o Remove shorting strap.
EE
Reali
nment of RE
Translator
Measurit`g equipment :
Oscilloscope having a sensitivity better than 50nv"w Input impe-
dance 10 Mohm in parallel with 20 pF or less. Frequency range up t:o
50 rmz.
:t::::::n:;era::u:::;I::::e:a:i::n!#ea::n:: :::;:tL.::1:.:;e..: f --:: ie a,§ I
3v in 50 ohas.
7el0.i. Realignment of 302 T1.1.4 rmz input transfomer:
Control settirLgs:
SUPPLY switch:
STAND BY
1. Connect oscilloscope to 244 C44/ 244 L6.
2. Press TurE button and a.djust Tl for nininun deflection on oscillo-
SCope .
7.10.2. Realignment of 302 Rl8, balance of " to 38 }ffiz tnixer:
Control settings:
SUPPLY switch:
STAro EY
MODE switch:
A3J
POWER switch:
DUPLEX
1. Cotinect oscilloscope Co R45/R55.
2. Adjust R18 for ninimun deflection on osci.lloscope.
7.10.3. Realigunenc of 30 rmz Low Pass Filter:
Control Settings: SUPPLY switch: STAin BY
MODE switch:
A3J
pOwER switchi
DupiEx-FurL.
1o Connect oscilloscope to the BNC-socket 301 SK5 through a 50 ohms
load.
2. Remove strap tietween t:eminals 302-3 and 302-4 and connect signal
generator between terminals 302-3 and 302-5 (302i ground) .
3. Detune the three circuits of the i ilter by turning the cores anti-
clockwi se .
4. Set signal generator to
52.5
rmz, approx. 2V.
5. Adjust L5 Co minimum deflection on oscilloscope.
6.
Set signal generator to 46.0 MHz. aoorox. 2V.
7-4
range 20-40 rmz arid having
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