RX-E200
RX-E200
8
■ TUNER ADJUSTMENTS
● Measuring Instruments
FM signal generator (FM SG)
Stereo signal generator (SSG)
AM signal generator (AM SG)
Distortion meter (DIST. M)
AC voltmeter (ACVM)
DC voltmeter (DCVM)
Oscilloscope
Low pass filter (YLF-15, fc=15kHz)
Oscillator
● Dummy antenna
AM SG
(50Ω)
AM dummy antenna
50Ω
10KΩ
AM ANT
GND
FM SG
(50Ω)
E1
FM dummy antenna
60Ω
10Ω 45Ω
E2
RECEIVER
(75Ω)
E2 (dB) = E1 (dB) —6 (dB)
FM SG
(75Ω)
E1
FM dummy antenna
E2
RECEIVER
(75Ω)
E2 (dB) = E1 (dB)
FM Adjustment
● Before Adjustment
1) For dB, 1µV=0dBµ
Example : 60dBµ=1mV
2) 100% modulation means that the frequency deviation is
± 75kHz.
3) Install the Matching Transformer and connect FM SG.
4) Set each switch to the following position unless other-
wise specified.
INPUT SELECTOR .................. TUNER
TUNING MODE ....................... AUTO
● Connection diagram (Measuring instruments)
1) Discriminator balance adjustment
3) Stereo distortion verification/separation verification
2) Monaural distortion verification
4) Sensitivity verification
R24
GND
FM
ANTFM
dummy
antenna
Oscillator
FM
SG
TUNER
P. C. B.
DCVM
GND
FM
ANT
FM
dummy
antenna
Oscillator
FM
SG
TUNER
P. C . B.
Oscilloscope
DIST. M
L
R
REC
OUT
GND
FM
ANT
FM
dummy
antenna
SSG
FM
SG
TUNER
P. C . B.
Oscilloscope
DIST. M
L
R
REC
OUT
YLF-15
(LPF)
ACVM
GND
FM
ANT
FM
dummy
antenna
FM
SG
TUNER
P. C. B.
Oscilloscope
DIST. M
L
R
REC
OUT
ACVM
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