Akai DV-R3110SS, Руководство по обслуживанию

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Unit
Power supply
AC 230V ~ 50Hz
Power consumption 116 W
Signal system Standard PAL
Laser Semiconductor laser, wavelength 650/780nm
Signal-to-noise More than 95dB
Audio dynamic range More than 93dB
Harmonic distortion Less than 1%
Operating temperature 41°F to 95°F (+5°C to 35°C)
Operating humidity 5% to 85% (no condensation)
Video Output / Input
Output level
1 Vp-p (75
Ω
)
Input level 750mV input (5
Ω
10% THD output)
Audio Output / Input
Output level
1.80 ± 0.2 Vrms (1 kHz, 0dB)
Input level 750mV input (5
Ω
10% THD output)
Jack RCA/Pin jack
Speakers Section
Speakers (Front/Center/Rear)
Speaker system
Bass reflex
Speaker unit 70 mm dia. cone type
Rated impedance 8 ohms
Subwoofer Section
Speaker system
Bass reflex
Speaker unit 180 mm dia. cone type
Rated impedance 6 ohms
Specifications and external appearance are subject to change without notice.
SPECIFICATIONS
PERFORMANCE SPECIFICATIONS
Power Supply :AC 230V ~ 50Hz
Output Load :8 ohm Non-reactive x5 Subwoofer 6ohm x1
Reference Output :500mW
Input Signal Source :External AM Loop Antenna
:75 ohm Dummy Antenna for FM
Modulation :30% 400Hz for AM 60% for Power
40kHz Deviation 1000Hz for FM
7.5kHz Pilot Tone
47.5kHz L+R 1000Hz
GENERAL TEST CONDITION
1 2
(AM) SECTION, AMPLITUDE, MODULATION
UNIT NOMINAL LIMIT
1. Tuning Range kHz 531-1602 -
2. I.F. kHz 450 ±3
3. S/N 10mV/m 999kHz dB 36 30
4. Sens. (at S/N 20dB) 603kHz dB 60 64
1404kHz dB 60 64
5. I.F. Rej. 603kHz dB 50 46
6. Image Rej. 1404kHz dB 30 22
7. Spurious Rejection dB 35 25
8. Bandwidth, -6dB, at 999kHz kHz 6 4 - 9
(Max. Sens. +6dB)
9. ACA (±9 kHz) Input 999kHz dB 20 15
10. AGC Figure Merit 100mV/m dB 45 40
11. Distortion, 5mV/m, 30% % 1 3
80% % 3 6
12. a. 10% THD Power AC DEV 80% W 15 13
b. woofer 10% DEV 80% W 25 22
13. a. Tweet (2nd 910kHz & 3rd 1350kHz) dB 15 10
at 75 dB I/P
14. Audio Fiedlity, Centre ±(6) dB Hz 60/2200 120/2000
15. Low Voltage AC % 80 85
16. a. Mod. Hum 10mV/M dB 36 30
b. Hum at Min. Vol. mV 1 3
17. Auto Stop Sens. dB 64 70
18. Step Frequency kHz - 9
REMARKS:
NOTE: All measurement should be done at bypass mode without EQ effects.
TEST ITEMS