Yamaha CT-7000, Руководство по обслуживанию

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3. SPECIFICATION ASSURANCE CONDITIONS
ITEM MEASUREMENT CONDITION
Test Temperature
Test Humidity
AC Input Voltage/Frequency
u.s.
117V
Europe 110V
130V
220V
240V
Vibration Noise
Aging Time At standard condition before test
Test System Performance Audio System
Level Accuracy, Deviation and Precision
400Hz
30-15,000Hz
Test System Distortion
1 00 -3,000Hz
50 -1 O,OOOHz
Test System Separation
400Hz
50-10,000Hz
Pilot Signal Phase
Overall Test System S/N Ratio
Monaural
Stereo
Signal Generator Output Level Accuracy
Modulation Degree Accuracy (75kHz deviation)
Signal Generator Spurious
Residual FM factor at AM
Radio Frequency Noise 300!1 Antenna terminal Equivalent
25 ± 10°C
65
±
20°C
105-135V
90-115V
110-135V
200-240V
220-260V
VALUE
45-65Hz
45-65Hz
45-65Hz
45-65Hz
45-65Hz
Low enough to be no test influence.
more than 30 minutes.
Within ± 0.3d8
Within ± 0.1dB
Within ·0.02%
Within 0.05%
Within 60d8
Within 50d8
Within ± 0.5°
Within 80d8 at 30-15,000Hz/50�-tS
Within 75d8 at 30 -15,000Hz/50�-tS
Within
±
0.5d8
Within ± 3kHz
Within -100d8at ± 300kHz-±5MHz
CT-7000
Within -70d8 at FM±75kHz /AM 30%
Within -10dB�-t
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