Read Sony STR-DH740 Service Manual online
STR-DH740
13
SECTION 4
FM TUNER CHECK
FM AUTO STOP CHECK
generator
OUT (75
ȍ)
set
Procedure:
1. Turn on the set.
2. Input the following signal from Signal Generator to FM an-
1. Turn on the set.
2. Input the following signal from Signal Generator to FM an-
tenna input directly.
* Carrier Frequency: A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
Deviation
: 75 kHz
Modulation : 1 kHz
ANT input : 35 dBu (EMF)
ANT input : 35 dBu (EMF)
Note:
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
3. Set to FM tuner function and scan the input FM signal with
automatic scanning.
4. Confi rm that input Frequency of A, B and C are detected and
automatic scanning stops.
The stop of automatic scanning means “The station signal is
received in good condition.”
received in good condition.”
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