Harman Kardon AVR 7000, Руководство по обслуживанию

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Y
All Analog
Stereo and 6 CH
DIRECT Inputs
10 kHz
Volume at Max. Apply Sinewave
Signal Gen amplitude to the tested
input, to obtain R/O-3dB at the speaker
outputs. Record the FL and FR speaker
output level as the reference output.
Scroll thru other stereo inputs, and
measure the output level. Compute th
dB > 55 >75
Y
AM/FM Tuner
Input
1 KHz
Apply an FM Stereo RF input thru a 50-
>75 ohm dummy antenna (98 MHz
carrier, 75 KHz modulation, 1 KHz
tone, 72 dBuV level). Then set UUT to
FM Stereo , 98 MHz. Set Volume
control to 10 dB below Max. Record
the FL and FR speaker output level as
the refere
Full scale Digital
Input
TBD
19
FTC POWER 20Hz~20kHz,
0.08 % THD, 8 ohm load
Y CD 20 Hz-20 KHz
1 hour preconditioning by driving all
channels to 1/3 rated power. 25 oC. 10
Hz-80KHz Meas BW.
ACV=117VRMS, 60 Hz
W >100
>105
21
DYNAMIC POWER
OUTPUT
Y CD 1kHz
20 cycle burst- 480 msec off. Sweep
ampl to reach clipping point.
W >130
> 135
22
FREQUENCY RESPONSE (-
3dB)
Y
All Analog
Stereo and 6 CH
DIRECT Inputs
Ref to 1W, 1KHz Hz 10 Hz-100 KHz 5 Hz-150 KHz
23
POWER BANDWIDTH -
3dB
Y CD THD 0.08% Hz~kHz 20-60Khz
24 SLEW RATE Y CD 20 KHz Square Wave
Drive unit to 40 Vpp. Mesure delta
amplitude and delta time. Compute
V/usec
V/usec >12 >13
25 SLEW-FACTOR Y
6 CH
DIRECT/ALL
STEREO
INPUTS
1 KHz reference
Volume at Max. Drive channel to R/O.
Then sweep frequency until finding 1 %
THD+N reading. Record frequency.
Ratio of freq @ 1 % THD+N / 20 KHz
is the Slew Factor
>5 >5.5
26 INPUT IMPEDANCE Y
6 CH
DIRECT/ALL
STEREO
INPUTS
1kHz kohm 47 Kohm
27 HEADPHONE OUTPUT Y CD 1kHz Volume at Max mV 1.2 +/- 0.4 1.2 +/- 0.2
H/P = 32ohms (200)mV 1kHz mV
?
VIDEO SECTION
NO DESCRIPTION INPUT FREQ. REMARK UNIT LIMIT NOMINAL
VIDEO
1 OUTPUT LEVEL at 75ohms VCR1(1Vp-p) 1MHz Vp-p 1?.20 1?.10
2
FREQUENCY RESPONSE(-
3dB)
VCR1(1Vp-p) Hz~MHz DC~6 DC~6,3
3 S/N RATIO VCR1(1Vp-p) 1MHz dB 40 45
4 CROSSTALK VCR1(1Vp-p) 1MHz dB 40 45
S-VIDEO
1 OUTPUT LEVEL at 75ohms
"Y" LEVEL VCR1(1Vp-p) 1MHz Vp-p 1 +/- 20mV 1 +/- 10mV
"C" LEVEL VCR1(0.286Vp-p) 1MHz 0.286 +/- 5mV 0.286 +/- 3mV
2
FREQUENCY RESPONSE (-
3dB)
VCR1(1Vp-p) Hz~MHz 5Hz~6.3Mhz
DC-10Mhz
7