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F-201L.F-201
(F-201L.F-201
4. ADJUSTMENTS
|
|
Produc
4.1 ADJUSTMENT OF THE FM TUNER SECTION
|
@ Set the mode selector to FM BAND.
@ Connect the wiring as shown in the Fig. 4—1.
FM 7522 antenna termina!
FM SG (1kHz+75kHz dev.)
Reception
frequency
display
| Adjust so that the voltage between the TP-1
2am
eR OME Ef) SUAS? oh and TP 2 becomes OV :50mV.
Non-
Adjust so that the output of the TP -4 becomes
VCO adjustment
atari trees
98.0MHz
VR161
76kHz +0.5kH2.
The R129 of the TUNER assembly has been
mounted or removed at the time of adjustment
in the production. Mount or remove R129
referring to the table below, and adjust it so that
the indicator of TUNED starts to light up at
emonet
24dBuV (+15dB).
R129
The indicator of TUNED
starts lighting up at a larger
Remove
input than 24dBuV (+15dB).
*1: When FE module assembly has been replaced, make sure to adjust the center adjustment.
*2 Stereo modulation : Main 1kHz L+R +68.25kHz dev.
Pilot 19kHz +6.75kHz dev.
@ Set the mode selector to MW BAND.
@ Connect the wiring as shown in the Fig. 4—2.
.@ The values in (
) are values of 10kHz steps.
AM SG (400Hz 30% Mod.)
| Reception
:
:
Adjustment
;
.
Adjustment title
Frequency
Level
pi oles
location
Specifications
(kHz)
(dBypVim)
saat
1395
=
1395kH:
TC10]
| 2nd GND becomes maximum.
SOM ocd ee
Adjustment
location
Frequency
ns
Digital
counter
voltmeter
Specifications
Frequency
(MHz)
Level (dByV)
60 cm
Loop antenna
98.0 *2
TUNED IND.
(Stereo
Lighting level
modulation)
ncemeoee
DC voitmeter
The indicator of TUNED
starts peng up at less input
center
than 24 ByV (+15dB).
AM antenna termina!
;
| je: £8023
9 4
FA.
1° MW ANT. coil (AXX1014)
Og
ptata®
33 8 2 G 0 8
£3
|
The R128 of the TUNER assembly has been
mounted or removed at the time of adjustment
in the production. Mount or remove R128
referring to the table below, and adjust it so that
the indicator of TUNED starts to light up at
TUNED IND.
999kHz
65dByV/m.
The indicator of TUNED
starts lighting up at 2 larger
input than 65dByV/m.
The indicator of TUNED
|
starts lighting up at less input
Mount
than 65dByuV/m
©
t
'
¢
.
2
race
(es =
? Uses.
©
Lf
m
i
toe,
=
FRONT
Fig.
4-3
Adjustment Points
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