Yamaha RX-V396 Service Manual page 25

See page 22 for TP locations & adjustment points.
Step Adjustment item
Adjustment of
front end IFT
6
Verification of
monaural distortion
7
Verification of
stereo distortion
8
Verification of
sensitivity
9
Adjustment of
10
separation
Adjustment of
signal meter
11
Verification of auto
tuning
12
✽ Execution of FACTORY PRESET (Refer to page 20.) will facilitate setting reception frequency for adjustment.
Reception
Signal (ANT IN)
frequency
FM ANT (75Ω) 98.1MHz
✽(A-4)
98.1MHz
30dBµ
MONO 1kHz
100% modulation
FM ANT (75Ω) 98.1MHz
✽(A-4)
98.1MHz
70dBµ
MONO 1kHz
100% modulation
FM ANT (75Ω) 98.1MHz
✽(A-4)
98.1MHz
✽Tuning mode
70dBµ
Stereo L or R should be
1kHz, AUTO.
100% modulation
FM ANT (75Ω) 88.1MHz
✽(A-6)
88.1MHz
98.1MHz 98.1MHz
✽(A-4)
106.1MHz
MONO 1kHz 106.1MHz
✽(A-7)
Modulation off
FM ANT (75Ω) 98.1MHz
✽(A-4)
98.1MHz
70dBµ
Stereo L or R
1kHz,
100% modulation
FM ANT (75Ω) 98.1MHz
✽(A-4)
98.1MHz
45dBµ
MONO 1kHz,
30% modulation
–10dBµ or less
FM ANT (75Ω) 98.1MHz
✽(A-4)
98.1MHz
23dBµ
Stereo L or R
1kHz,
30% modulation
RX-V396/RX-V396RDS/HTR-5230/HTR-5230RDS
Adjustment
Test point
point
Front end IFT Pin 16 of IC1
REC OUT L, R
REC OUT L, R
ANT (75Ω)
VR2 REC OUT L, R
VR1
Rating
Adjust so that the meter is
maximum.
CAUTION: Over-adjustment of
the IFT core will reduce the
sensitivity. (Maximum±90°)
0.1% (–60dB or less)
0.2%
(U,C,R,T: –54dB or less)
(A,B,G: –28dB or less)
•
STEREO indicator
should light.
1) Set the tuning mode to
MAN'L MONO.
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 as follows.
(U,C,R,T: 6dBµ or less)
(A,B,G: 8dBµ or less)
With SSG output at L or R, the
signal leakage level at the other
channel should be minimized.
(48 dB or less)
Adjust so that all signal meters
light.
Check to ensure that signal
meters turn OFF.
•
Automatic reception should
be available when the tuning
k e y i s m o v e d U P a n d
DOWN.
•
The stereo indicator should
light.
•
Audio muting should be
applied during tuning.
24