RXD-402/452/502/552/572S/A41/A51
11
ADJUSTMENT
X04-1313 Q TYPE (65MHz~74MHz BAND)
N0.
ITEM
INPUT
SETTINGS
OUTPUT
SETTINGS
TUNER
SETTINGS
ALIGNMENT
POINTS
ALIGN FOR
FIG.
1
VCO
(C)
69 MHz,
70 dBf (ANT INPUT)
1 kHz, 0 kHz DEV
SUB, 0 kHz DEV
Connect a frequency
counter to VCO monitor
X04 (CN2).
AUTO
69 MHz
VR 2
Adjust it the
frequency counter
reads 31.25 kHz
±100 Hz.
(a)
2
RESONANCE
POINT
(C)
69 MHz,
70 dBf (ANT INPUT)
1 kHz, 40 kHz DEV
SUB, 10 kHz DEV
Select : L or R
Connect a oscilloscope
to TUNER OUT(CN6).
AUTO
69 MHz
TC 1
Minimum
crosstalk.
(a)
3
SEPARATION
(C)
SAME AS ABOVE
Connect a oscilloscope
to TUNER OUT(CN6).
AUTO
69 MHz
VR 1
Minimum
crosstalk.
(a)
(A)
(B)
(C)
(D)
AM-SG
FM-MPX-SG
FM-MPX-SG
TO CN6
3pin (Lch)
1pin (Rch)
2pin (GND)
POLAR SG
AC voltmeter
Oscilloscope
Distortion meter
Dummy antenna
Fig (a)
Tuner adjustment
RXD-402(E)
INT1P
99.6.9
7:26
PM
y [ W 22
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