Kenwood KRF-V7020D Service Manual

Also see for KRF-V7020D: User guide Instruction manual

Contents

KRF-V7020D/V8020D/VR-307/309/35745SPECIFICATIONSFor other countriesAUDIO sectionEffective power output during STEREO operationKRF-V8020D1kHz,10% T.H.D.,at 8 Ω .......................................... 140 W + 140 WRated power output during STEREO operation100 watts per channel minimum RMS, both channels driven, at8 Ω from 40 Hz to 20 kHz with no more than 0.7% totalharmonic distortion.(FTC)Effective power output during SURROUND operationFRONT (1kHz, 10% T.H.D. at 8 Ω one channel driven).............................................................................. 100 W + 100 WCENTER (1kHz, 10% T.H.D. at 8 Ω one channel driven)............................................................................................. 100 WSURROUND (1kHz, 10% T.H.D. at 8 Ω one channel driven).............................................................................. 100 W + 100 WTotal harmonic distortion .......................... 0.03% (1 kHz, 50W, 8 Ω)Frequency responseCD .............................................. 10 Hz ~ 85kHz, +0 dB, –3.0 dBSignal to noise ratio (IHF’66)PHONO (MM) ....................................................................... 75 dBCD ......................................................................................... 93 dBInput sensitivity / impedancePHONO (MM) ....................................................... 2.5 mV / 27 kΩCD ........................................................................ 200 mV / 47 kΩOutput level / impedanceTAPE REC .......................................................... 200 mV / 2.2 kΩPRE OUT (SUBWOOFER) ......................................... 2 V / 2.2 kΩTone controlBASS ............................................................... ±10 dB (at 100 Hz)TREBLE .......................................................... ±10 dB (at 10 kHz)DIGITAL AUDIO sectionSampling frequency .................................. 32 kHz, 44.1 kHz, 48 kHzInput level / impedance / wave lengthOptical .............................. -15 dBm ~ -21 dBm, 600 nm ±30nmCoaxial ................................................................. 0.5 Vp-p / 75 ΩFM tuner sectionTuning frequency range ................................... 87.5 MHz ~ 108 MHzUsable sensitivity (MONO)................ 1.6 μV (75 Ω)/ 15.2 dBf (75 kHz DEV., SINAD 30 dB)50dB quieting sensitivitySTEREO ................................................. 31.6 μV (75 Ω)/ 41.2 dBfTotal harmonic distortion (1 kHz)MONO ............................................................ 0.6% (65 dBf input)STEREO ......................................................... 0.7% (65 dBf input)Signal to noise ratio (1 kHz, 75 kHz DEV.)MONO .......................................................... 75 dB (65 dBf input)STEREO ....................................................... 68 dB (65 dBf input)Stereo separation (1 kHz) .......................................................... 38 dBSelectivity (±400 kHz) ................................................................. 50 dBFrequency response .................... 30 Hz ~ 15kHz, +0.5 dB, –3.0 dBAM tuner sectionTuning frequency range9 kHz step ................................................... 531 kHz ~ 1,602 kHz10 kHz step ................................................. 530 kHz ~ 1,610 kHzUsable sensitivity (30% mod., S/N 20 dB)........................................................................ 16 μV / (600 μV/m)Signal to noise ratio (30% mod. 1 mV input) ........................... 50 dBGENERALPower consumptionFor U.S. military, Australia, Malaysia .............................. 240 WFor other countries ............................................................ 230 WAC outletSWITCHED .................................................. 2 (total 150 W max.)Dimensions ...................................................................... W : 440 mmH : 144 mmD : 400 mmWeight (Net) ............................................................................... 8.6 kgNotes1.KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.2.The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).VIDEO sectionVIDEO inputs / outputsVIDEO (composite) ............................ 1 Vp-p / 75 ΩS VIDEO (luminance signal) ................... 1 Vp-p / 75 Ω(chrominance signal) ......... 0.286 Vp-p / 75 Ω

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