Kenwood KRF-V7771D Service Manual page 61

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AUDIO section
Rated output power during STEREO operation
63 Hz ~ 12.5 kHz, 0.7%, 6 Ω (DIN/IEC) ... 120 W + 120 W
120 watts per channel minimum RMS, both channels
driven, at 6 Ω from 20 Hz to 20 kHz with no more than
0.03 % total harmonic distortion.(FTC)
Effective output power during STEREO operation
1kHz,10% T.H.D.,at 6 Ω ............................ 160 W + 160 W
Effective output power during SURROUND operation
FRONT
(1kHz, 0.7% T.H.D. at 6 Ω one channel driven)
................................................................... 120 W + 120 W
(1kHz, 10% T.H.D. at 6 Ω one channel driven)
................................................................... 160 W + 160 W
CENTER
(1kHz, 0.7% T.H.D. at 6 Ω one channel driven) .... 120 W
(1kHz, 10% T.H.D. at 6 Ω one channel driven) ..... 160 W
SURROUND
(1kHz, 0.7% T.H.D. at 6 Ω one channel driven)
................................................................... 120 W + 120 W
(1kHz, 10% T.H.D. at 6 Ω one channel driven)
................................................................... 160 W + 160 W
Total harmonic distortion ............ 0.004 % (1kHz, 60 W, 6 Ω)
Frequency response (IHF'78)
CD ...................................... 5 Hz ~ 80 kHz, +0.5 dB, –3 dB
Signal to noise ratio (IHF'66)
PHONO (MM) ............................................................ 77 dB
CD .............................................................................. 92 dB
Input sensitivity / impedance
PHONO (MM) ............................................ 2.5 mV / 47 kΩ
TE
L 13942296513
CD ............................................................. 200 mV / 47 kΩ
Output level / impedance
TAPE REC ................................................. 200 mV / 220 Ω
PRE OUT (CENTER, SURROUND, SUBWOOFER)
............................................................................ 1 V / 1 kΩ
Tone control
BASS ...................................................... ±7 dB (at 100 Hz)
TREBLE ................................................... ±7 dB (at 10 kHz)
LOUDNESS control
VOLUME at -40dB level ... +7 dB(100 Hz), +4 dB(10 kHz)
DIGITAL AUDIO section
Sampling frequency ....................... 32 kHz, 44.1 kHz, 48 kHz
Input level / impedance / wave length
Optical .................... -15 dBm ~ -21 dBm, 660 nm ±30nm
Coaxial ....................................................... 0.5 Vp-p / 75 Ω
VIDEO section
VIDEO inputs / outputs
(composite) .................................. 1 Vp-p / 75 Ω
VIDEO
S VIDEO (luminance signal) ....................... 1 Vp-p / 75 Ω
(chrominance signal) ........... 0.286 Vp-p / 75 Ω
FM tuner section
Tuning frequency range ........................ 87.5 MHz ~ 108 MHz
Usable sensitivity (MONO)
....... 1.6µV (75 Ω)/ 15.2 dBf(75 kHz DEV., SINAD 30 dB)
50dB quieting sensitivity
STEREO ....................................... 31.6µV (75 Ω)/ 41.2 dBf
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Total 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.)
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MONO ............................................... 75 dB (65 dBf input)
STEREO ............................................. 68 dB (65 dBf input)
Stereo separation (1 kHz) .............................................. 38 dB
Selectivity (±400 kHz) ..................................................... 50 dB
Frequency response ........... 30 Hz ~ 15kHz,+0.5 dB, –3.0 dB
SPECIFICATIONS (KRF-V7771D)
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KRF-V7771D/V8881D/VR-2080/2090
2 9
8
AM tuner section
Tuning frequency range
9 kHz step ........................................ 531 kHz ~ 1,602 kHz
10 kHz step ...................................... 530 kHz ~ 1,610 kHz
Usable sensitivity (30% mod., S/N 20 dB)
........................................................... 16 µV / (600 µV/m)
Signal to noise ratio (30 % mod. 1 mV input) ............. 50 dB
IR IN/OUT section
IR RECEIVER IN terminal
Maximum output current ...................................... 20 mA
Operating voltage ...................................................... 12 V
Output impedance ................................................... 470 Ω
IR OUT LCD REMOTE terminal
Maximum output current ...................................... 20 mA
Operating voltage ...................................................... 12 V
Output impedance ................................................... 470 Ω
Shape of plug to be connected
IR RECEIVER IN
Stereo mini plug
Sleeve
Ring
IR IN/OUT specification
Q Q
3 6 7 1 3 1 5
Terminal IR RECEIVER IN
To Tip Signal
To Ring Ground
To Sleeve +12 V
GENERAL
Power consumption ...................................................... 330 W
AC outlet
SWITCHED ......................................... 2 (total 90 W max.)
Dimensions .......................................................... W : 440 mm
Weight (Net) .................................................................. 11.2 kg
co
.
1. KENWOOD follows a policy of continuous advancements
in development. For this reason specifications may be
Notes Notes
changed without notice.
2. Full performance may not be exhibited in extremely cold
locations (below 0 deg.C).
9 4 2 8
IR OUT LCD REMOTE
Stereo mini plug
Tip Sleeve
Ring
0 5 8 2 9 9 4 2 8
IR OUT LCD REMOTE
Signal
———
Ground
H : 162 mm
D : 391 mm
m
9 9
Tip
9 9
83