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" MEASU REM ENTS AND ADS USTM ENTS
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4. Set balance control to center.
@ AM, FM ALIGNMENT
| than negescety to obtain an output reading.
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REMARKS
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or SCOPE)
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AM-IF ALIGNMENT
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* 1. Insert the Cassette Arm with Pushing the Spring to Cassette Arm Holder Fig. Z
(1)|
AM
| wire and radiate |
30% Mod. | interference. (on/ | across voice
72 ( AM |FT)
ES for maximum
#2, @ Push the catch in the direction of arrow @ and pall up the dial scale Fig. 4.
signal into loop of | at 400 Hz
about 'BOCKEZ
coil.
a:
put.
e Remove the dial scale in the direction of arrow w@e
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receiver.
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"AM: RF ALIGNMENT _
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|
:
i 550kHz
Output meter
L4 (AM 2 Chin
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@ ALIGNMENT POINTS
2)
AM
Sen
tar
across voce
(+1) L3 (AM, | moving call bobbin
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| along
ferrite core.
* Please refer to Circuit Board which is located test points.
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CT4 ( aN OSC
Adjust for maximum
BIAS
BIAS
(3)|
AM
d
1,500kHz
[100mm
:
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rimmer)
output.
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CT3 (AM ANT |
Repeat steps (2)
OSC
CURRENT
|
Pa
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| and (3).
VR 302
(* 1) Cement antenna bobbin with wax after completing alignment.
BMAF
ALIGNMENT
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Connect to test
|
Connect vert.
|
7
|
|
point
& through
10.7MHz
Point of non-
amp. of scope to | 74 (FM 1st IFT)
Adjust for maximum
(4)
FM
0.001u. Negative
(SWP.)
interference. (on/ | test point
& .
' | amplitude.
side to test point
about 90 MHz)
Negative side to
|
| (Refer to fg. Jey: |
Vv.
:
test point YW .
FM-RF ALIGNMENT
side
to test
poin
Trimmer)
-
mum. output.
(7))
FM
:
106MHz
come
| CT1(FMANT
| .
Repeat steps
16
bee
Trimmer) | ©. (6) and (7).
CT
FM
ANT
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ff SEPARATION ALIGNMENT
EQUIPMENT
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