Harman Kardon AVR7000 Preliminary Service Manual page 7

FTC POWER 20Hz~20kHz,
19
0.08 % THD, 8 ohm load
DYNAMIC POWER
21
OUTPUT
FREQUENCY RESPONSE (-
22
3dB)
POWER BANDWIDTH -
23
3dB
24 SLEW RATE
25 SLEW-FACTOR
26 INPUT IMPEDANCE
27 HEADPHONE OUTPUT
H/P = 32ohms
All Analog
Y Stereo and 6 CH 10 kHz
DIRECT Inputs
AM/FM Tuner
Y
Input
Full scale Digital
Input
Y CD 20 Hz-20 KHz
Y CD
All Analog
Y Stereo and 6 CH
DIRECT Inputs
Y CD
Y CD 20 KHz Square Wave
6 CH
DIRECT/ALL
Y 1 KHz reference
STEREO
INPUTS
6 CH
DIRECT/ALL
Y
STEREO
INPUTS
Y CD
(200)mV
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
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
1 KHz
FM Stereo , 98 MHz. Set Volume
control to 10 dB below Max. Record
the FL and FR speaker output level as
the refere
TBD
1 hour preconditioning by driving all
channels to 1/3 rated power. 25 oC. 10
Hz-80KHz Meas BW.
ACV=117VRMS, 60 Hz
20 cycle burst- 480 msec off. Sweep
1kHz
ampl to reach clipping point.
Ref to 1W, 1KHz
THD 0.08%
Drive unit to 40 Vpp. Mesure delta
amplitude and delta time. Compute
V/usec
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
1kHz
1kHz Volume at Max
1kHz
dB > 55
>75
W >100
>105
W >130
> 135
Hz 10 Hz-100 KHz 5 Hz-150 KHz
Hz~kHz 20-60Khz
V/usec >12 >13
>5 >5.5
kohm 47 Kohm
mV 1.2 +/- 0.4 1.2 +/- 0.2
mV
7