Kenwood RXD-402 Service Manual page 11

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QQ
3 7 63 1515 0
Tuner adjustment
X04-1313 Q TYPE (65MHz~74MHz BAND)
N0.
ITEM
1
VCO
RESONANCE
2
POINT
3
SEPARATION
TE
L 13942296513
AC voltmeter
www
Oscilloscope
.
(B)
ADJUSTMENT
INPUT
SETTINGS
(C)
69 MHz,
Connect a frequency
70 dBf (ANT INPUT)
counter to VCO monitor
1 kHz, 0 kHz DEV
SUB, 0 kHz DEV
(C)
69 MHz,
70 dBf (ANT INPUT)
Connect a oscilloscope
1 kHz, 40 kHz DEV
to TUNER OUT(CN6).
SUB, 10 kHz DEV
Select : L or R
(C)
Connect a oscilloscope
SAME AS ABOVE
to TUNER OUT(CN6).
TO CN6
3pin (Lch)
1pin (Rch)
2pin (GND)
Distortion meter
x
ao
u163
y
i
RXD-402/452/502/552/572S/A41/A51
2 9
8
OUTPUT
TUNER
SETTINGS
SETTINGS
AUTO
69 MHz
X04 (CN2).
AUTO
69 MHz
AUTO
69 MHz
Q Q
3
6 7
1 3
1 5
Fig (a)
(A)
FM-MPX-SG
POLAR SG
co
(C)
FM-MPX-SG
.
(D)
9 4
2 8
ALIGNMENT
ALIGN FOR
POINTS
Adjust it the
frequency counter
VR 2
reads 31.25 kHz
±100 Hz.
Minimum
TC 1
crosstalk.
Minimum
VR 1
crosstalk.
0 5
8
2 9
9 4
m
Dummy antenna
AM-SG
9 9
FIG.
(a)
(a)
(a)
2 8
9 9
11

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