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22
RX-V595/R-V905/RX-V595RDS
■
TUNER ADJUSTMENT
1. 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
●
TEST POINT
●
Dummy antenna
y
AM SG
(50
Ω
)
AM dummy antenna
50
Ω
10K
Ω
AM ANT
GND
FM SG
(50
Ω
)
E1
FM dummy antenna
60
Ω
10
Ω
45
Ω
E2
RECEIVER
(75
Ω
)
E2 (dB) = E1 (dB) -6 (dB)
FM SG
(75
Ω
)
E1
FM dummy antenna
E2
RECEIVER
(75
Ω
)
E2 (dB) = E1 (dB)
TP2
TP1
IFT
PK1
FRONT END
IC3
IC2
IC1
VR1
PK2
T2
T3
VR2
T5
T4
T1
IC4
CB4
16
SIGNAL METER ADJ.
SEPARATION
ADJ.
DISCRIMINATOR
BALANCE ADJ.
(FRONT)
MONAURAL
DISTORTION ADJ.
(ANTENNA)
AM
SENSITIVITY
ADJ.
FM ANT
GND
AM ANT
Front
Panel
G, B models only