Kenwood KDC-W4044UA Service Manual

Contents

SPECIFICATIONSDANGER:Please do not look at the laser beam directly duringre pair or operation check.KDC-W4044UA/W4044UAY/W4044UG/W4044UGYKDC-W413UA/W413UAY/W4544U/W4644UYFM tuner sectionFrequency range (50kHz space) ........... 87.5MHz~108.0MHzUsable sensitivity (S/N=26dB) .............................. 0.7μV/75ΩQuieting Sensitivity (S/N=46dB) ........................... 1.6μV/75ΩFrequency response (±3.0dB) ...........................30Hz~15kHzSignal to Noise ratio (MONO) ........................................65dBSelectivity (DIN) (±400kHz) ......................................... ≥80dBStereo separation (1kHz) ...............................................35dBMW tuner sectionFrequency range (9kHz space) .................. 531kHz~1611kHzUsable sensitivity (S/N=20dB) ....................................... 25μVLW tuner sectionFrequency range ......................................... 153kHz~281kHzUsable sensitivity (S/N=20dB) ....................................... 45μVCD player sectionLaser diode.................................................................GaAlAsDigital fi lter (D/A)............................... 8 Times Over SamplingD/A Converter................................................................ 24BitSpindle speed ..........................................500~200rpm (CLV)Wow & Flutter ..................................Below Measurable LimitFrequency response (±1dB) ..............................20Hz~20kHzTotal harmonic distortion (1kHz) ..................................0.01%Signal to Noise ratio (1kHz) .........................................105dBDynamic range ..............................................................93dBMP3 decode .........Compliant with MPEG-1/2 Audio Layer-3WMA decode............ Compliant with Windows Media AudioAAC decode ..........................................AAC-LC “.m4a” filesUSB InterfaceUSB Standard ................................. USB1.1/2.0 (Full speed)Maximum Supply current ........................................... 500mAFile System ............................................................. FAT16/32MP3 decode .........Compliant with MPEG-1/2 Audio Layer-3WMA decode............ Compliant with Windows Media AudioAAC decode ..........................................AAC-LC “.m4a” fi lesAudio sectionMaximum output power ........................................... 50W x 4Output Power (DIN 45324, +B=14.4V) ..................... 22W x 4Speaker Impedance ......................................................4~8ΩTone actionBass ............................................................... 100Hz±8dBMiddle ...............................................................1kHz±8dBTreble ..............................................................10kHz±8dBPreout level / Load (CD) ................................. 2000mV/10kΩPreout impedance ......................................................≤600ΩAuxiliary inputFrequency response (±3dB) ..............................20Hz~20kHzInput Maximum Voltage............................................ 1200mVInput Impedance ...........................................................10kΩGeneralOperating voltage (11~16V allowable).......................... 14.4VMaximum Current consumption ...................................... 10AInstallation Size (W x H x D) .....................182 x 53 x 155mmWeight ...........................................................................1.3kgKENWOOD follows a policy of continuous advancementsin development. For this reason specifications may bechanged without notice.

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