Kenwood KDC-4047UA, Руководство по обслуживанию

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DANGER:
Please do not look at the laser beam directly during
re pair or operation check.
KDC-4047UA/4047UG/4047UGY/4047UM
KDC-414UA/414UM/MP245U/U3046/U346/U4046
SPECIFICATIONS (KDC-4047Ux/414Ux)
FM tuner section
Frequency range (50kHz space) ........... 87.5MHz~108.0MHz
Usable sensitivity (S/N=26dB) ................................. 1
μ V/75 Ω
Quieting Sensitivity (DIN S/N=46dB) .................... 2.5 μ V/75
Ω
Frequency response (±3dB) ..............................30Hz~15kHz
Signal to Noise ratio (MONO) ........................................63dB
Stereo separation (1kHz) ...............................................40dB
MW tuner section
Frequency range (9kHz space) ..................531kHz~1611kHz
Usable sensitivity (S/N=20dB) ....................................... 36
μ V
LW tuner section
Frequency range .........................................153kHz~279kHz
Usable sensitivity (S/N=20dB) ....................................... 57
μ V
CD player section
Laser diode .................................................................GaAlAs
Digital
fi lter (D/A) ............................... 8 Times Over Sampling
D/A Converter ................................................................ 24Bit
Spindle speed ..........................................500~200rpm (CLV)
Wow & Flutter ..................................Below Measurable Limit
Frequency response (±1dB) ..............................20Hz~20kHz
Total harmonic distortion (1kHz) ..................................0.01%
Signal to Noise ratio (1kHz) .........................................105dB
Dynamic range ..............................................................93dB
MP3 decode .........Compliant with MPEG-1/2 Audio Layer-3
WMA decode ............ Compliant with Windows Media Audio
AAC decode ..........................................AAC-LC “.m4a”
fi les
USB Interface
USB Standard ................................. USB1.1/2.0 (Full speed)
Maximum Supply current ........................................... 500mA
File System ............................................................. FAT16/32
MP3 decode .........Compliant with MPEG-1/2 Audio Layer-3
WMA decode ............ Compliant with Windows Media Audio
AAC decode ..........................................AAC-LC “.m4a”
fi les
Audio section
Maximum output power ........................................... 50W x 4
Output power (DIN 45324, +B=14.4V) ..................... 30W x 4
Speaker Impedance ......................................................4~8
Ω
Tone action
Bass
............................................................... 100Hz±8dB
Middle ...............................................................1kHz±8dB
Treble ..............................................................10kHz±8dB
∗ Preout level / Load (CD) ............................... 2000mV/10k Ω
∗ Preout impedance ................................................... ≤ 600 Ω
∗
: Except KDC-4047UGY
Auxiliary input
Frequency response (±3dB) ..............................20Hz~20kHz
Input Maximum Voltage ............................................ 1200mV
Input Impedance ...........................................................10k
Ω
General
Operating voltage (11~16V allowable) .......................... 14.4V
Maximum Current consumption ...................................... 10A
Installation Size (W x H x D) .....................182 x 53 x 155mm
Weight ...........................................................................1.3kg
KENWOOD follows a policy of continuous advancements
in development. For this reason speci
fi cations may be
changed without notice.