NAD C 326BEE, Руководство пользователя

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condition poSSible cauSeS poSSible SolutionS
No sound.
Power AC lead unplugged or power not
switched ON.
• Check if AC lead is plugged in and power
switched ON.
•
Tape Monitor selected. • De-select Tape Monitor mode. •
Mute on. • Switch off Mute. •
Rear Pre-out/Main-in amp links not fitted. • Fit links. •
No sound one channel. Balance control not centered. • Center Balance control. •
Speaker not properly connected or damaged. • Check connections and speakers. •
Input lead disconnected or damaged. • Check leads and connections. •
Weak bass/diffused stereo image.
Speakers wired out of phase. • Check connections to all speakers in the
system.
•
No sound from Subwoofer. Subwoofer is off, not powered or improperly
connected.
• Power-up subwoofer, check subwoofer’s AC
outlet or check connections.
•
Remote control handset not working. Battery flat or incorrectly inserted. • Check or replace battery. •
IR transmitter or receiver windows obstructed. • Remove obstruction. •
IR receiver in direct sun or very bright ambient
light.
• Place unit away from direct sun, reduce
amount of ambient light.
•
Standby LED turns red during operation. C 326BEE has overheated. • Turn C 326BEE OFF; make sure ventilation
slots on top and bottom of C 326BEE are not
blocked. After C 326BEE has cooled down,
turn back ON.
•
Overall impedance of loudspeakers too low. • Ensure the overall loudspeaker impedance is
not below 4 ohms.
•
SpecificationS
PREAMPLIFIER SECTION
line level input, pre out
THD (2 Vin 2 Vout, CCIF IMD, DIM 100) >0.004 % (ref. 20 Hz – 20 kHz)
Signal/Noise ratio IHF >100 dB (A-weighted, ref. 500 mV)
>108 dB (A-weighted, ref. 2V, Volume maximum)
>92 dB (A-weighted, ref. 100 mV in 100 mV out - unity gain)
Channel separation - 1 kHz >80 dB
10 kHz >70 dB
Input impedance (R and C) 100 kΩ+ 320 pF
Maximum input signal >8 Vrms (ref. 0.1 THD)
Output impedance - Pre out 75 Ω
Tape out Source Z + 1 kΩ
Input sensitivity 159 mV (ref. 500 mV out)
Frequency response ± 0.1 dB (ref. 20 Hz - 20 kHz, Tone defeat ON)
± 0.5 dB (ref. 20 Hz - 20 kHz, Tone defeat OFF)
Maximum voltage output - IHF load >10 V (ref. 0.03% THD)
600 ohms load >10 V (ref. 0.03% THD)
tone controlS
Treble ± 5 dB at 10 kHz
Bass ± 8 dB at 100 Hz
REFERENCE
troubleShooting
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