Kenwood KDC-4551UB/455UW Service Manual

Contents

KDC-4551UB/455UW/4651URYKDC-U449/U5049DANGER:Please do not look at the laser beam directly duringre pair or operation check.■ Models for destination “E”FM tuner sectionFrequency rangeFM1/FM2/FM3 (50kHz space) ......... 87.5MHz~108.0MHzUsable sensitivity (S/N=26dB) .............................. 1.0μV/75ΩQuieting sensitivity (DIN S/N=46dB) .................... 2.5μV/75ΩFrequency response (±3dB) ..............................30Hz~15kHzSignal to Noise ratio (MONO) ........................................63dBStereo separation (1kHz) ...............................................40dBMW tuner sectionFrequency range (9kHz space) .................. 531kHz~1611kHzUsable sensitivity (S/N=20dB) ....................................... 36μVLW tuner sectionFrequency range ......................................... 153kHz~279kHzUsable sensitivity (S/N=20dB) ....................................... 57μVCD 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 ..............................................................90dBMP3 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) ..................... 30W x 4Speaker impedance ......................................................4~8ΩTone actionBass ............................................................... 100Hz±8dBMiddle ...............................................................1kHz±8dBTreble ..............................................................10kHz±8dBPreout level/load (CD)..................................... 2000mV/10kΩPreout impedance ......................................................≤600ΩAuxiliary input sectionFrequency 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 158 mmWeight ...........................................................................1.3kgKENWOOD follows a policy of continuous advancementsin development. For this reason specifications may bechanged without notice.SPECIFICATIONS