RX-V795a/RDS/HTR-5170
24
RX-V795a
/ RDS
HTR-5170
Step
6
7
8
9
10
11
12
Adjustment item
Adjustment of
front end IFT
Verification of monau-
ral distortion
Verification of stereo
distortion
Verification of sensi-
tivity
Adjustment of
Separation
Adjustment of Signal
meter
Verification of auto
tuning
Reception
frequency
98.1MHz
* (A-4)
98.1MHz
* (A-4)
98.1MHz
* (A-4)
* Tuning
mode
should be
AUTO.
88.1MHz
* (A-6)
98.1MHz
* (A-4)
106.1MHz
* (A-7)
98.1MHz
* (A-4)
98.1MHz
* (A-4)
98.1MHz
* (A-4)
Signal (ANT IN)
FM ANT (75
Ω
)
98.1MHz
70dB
µ
MONO
1kHz,
100% modulation
FM ANT (75
Ω
)
98.1MHz
70dB
µ
MONO 1kHz,
100% modulation
FM ANT (75
Ω
)
98.1MHz
70dB
µ
Stereo L or R
1kHz,
100% modulation
FM ANT (75
Ω
)
88.1MHz
98.1MHz
106.1MHz
MONO 1kHz
Modulation off
FM ANT (75
Ω
)
98.1MHz
70dB
µ
Stereo L or R
1kHz,
100% modulation
FM ANT (75
Ω
)
98.1MHz
45dB
µ
MONO 1kHz
30% modulation
–10dB
µ
or less
FM ANT (75
Ω
)
98.1MHz
26dB
µ
Stereo L or R
1kHz,
30% modulation
Adjusted
point
Front end IFT
VR2
VR1
Test point
Pin 16 of IC1
REC OUT L, R
REC OUT L, R
ANT (75
Ω
)
REC OUT L, R
* : Execution of FACTORY PRESET (Refer to page 16.) will facilitate setting reception frequency for adjustment.
Rating
Adjust so that the DC voltage
is maximum.
CAUTION : Over-adjustment
of the IFT core will reduce the
sensitivity.
Maximum
±
90
°
0.1%
0.2%
• STEREO indicator should
light.
1) Set the tuning mode to
MAN’L MONO. (Muting OFF)
2) S/N should be 30dB at each
frequency of 88.1MHz,
98.1MHz, and 106.1MHz.
3) Check to ensure that the
voltage at the ANT terminal
is 5
µ
V or less. (A, L, B, G
only : 7
µ
V or less)
With SSG output at L or R, the
signal leakage level at the
other channel should be mini-
mized.
48dB or more
Adjust so that all segments
light.
Check to ensure that all seg-
ments are OFF.
• Automatic reception
should be available when
the tuning key is moved UP
and DOWN.
• The stereo indicator should
light.
• Audio muting should be ap-
plied during tuning.
See page 22 for TP locations & adjustment points.