Pioneer 31-3043 Service Manual page 55

Audio Amplifier Section
Continuous power output, 0.9% THD,
2 channels driven, 8 load ..................... 40 Hz : More than 90 W
Gain, 8 load ................................................ Phono : 80.0 3 dB
Noise output, 1 k -terminated input,
VR at maximum .................................... Phono : Less than 60 mV
Residual noise, VR at minimum ............................ Less than 3 mV
Channel separation, 10 kHz ................... Phono : More than 35 dB
RIAA equalizer response,
at TAPE 1 REC OUT .................................. 100 Hz : RIAA 2 dB
Frequency response, CD input,
output at SP-A/8 load ............................... 20 kHz : –2.0 5 dB
Tone control response, 100 Hz ................... Maximum : +8 4 dB
Tone control response, 10 kHz ................... Maximum : +8 4 dB
FM Tuner Section
(Unbalansed 75 , at TAPE 1 REC-OUT)
Frequency Range ....................................... 87.5 MHz to 108 MHz
IHF usable sensitivity ..................... 90 MHz : Less than 17 dB V
Output level, 60 dB V input ................... Within –3.7 dBV 7 dB
Signal to noise ratio, 60 dB V input ................... More than 54 dB
Distortion, 60 dB V input ........................................ Less than 4%
De-emphasis, deviation from 75 s ................................................
Image interference ratio ...................... 98 MHz : More than 19 dB
SPECIFICATIONS
1 kHz : More than 90 W
20 kHz : More than 90 W
CD : 42.0 3 dB
CD : Less than 40 mV
CD : More than 35 dB
10 kHz : RIAA 2 dB
Center : 0 3 dB
Minimum : –8 4 dB
Center : 0 3 dB
Minimum : –8 4 dB
98 MHz : Less than 17 dB V
106 MHz : Less than 17 dB V
100 Hz/10kHz : Within 0 3 dB
FM MPX Section
(Unbalansed 75 , at TAPE 1 REC-OUT)
Output level, 60 dB V input ................... Within –4.5 dBV 5 dB
Distortion, 60 dB V input ........................................ Less than 4%
Stereo separation, 60 dB V input ........ 100 Hz : More than 17 dB
AM Tuner Section
(Using AM loop antenna , at TAPE 1 REC-OUT)
Frequency Range ......................................... 530 kHz to 1700 kHz
Usable sensitivity, at 30 dB S/N .....................................................
Output level, 100 dB V/m input ........... Within –16.5 dBV 8 dB
Signal to noise ratio, 100 dB V/m input ............. More than 35 dB
Distortion, 100 dB V/m input .................................. Less than 5%
Image interference ratio .................... 1000 kHz : More than 15 dB
Tuning indicator sensitivity ......................... Less than 78 dB V/m
Selectivity, 74 dB V/m input .............................. More than 14 dB
Video Section
(DVD/LD input, at monitor terminal)
Video output level, color bar ...................... Within 1 Vp-p 0.3 V
Video S/N, 100% white ....................................... More than 45 dB
Surround Section
Output power, 0.8% THD, 8
Residual noise, with 30 kHz LPF used .... Center : Less than 6 mV
1 kHz : More than 18 dB
10 kHz : More than 15 dB
600 kHz : Less than 84 dB V/m
1000 kHz : Less than 78 dB V/m
1400 kHz : Less than 78 dB V/m
load ......... Front : More than 90 W
Center : More than 90 W
Rear : More than 90 W
Rear : Less than 6 mV
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