Sony str de 725 service manual

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Ñ 2 Ñ Sampling Frequency 48 kHz EQ BASS: 100 Hz ~ 1.0 kHz (21 steps) MID: 500 Hz ~ 5.0 kHz (21 steps) TREBLE: 1.0 kHz ~ 10 kHz (21 steps) Gain levels: ±10 dB, 1 dB step FM tuner section Tuning range 87.5 - 108.0 MHz Antenna terminals 75 ohms, unbalanced Sensitivity Mono: 18.3 dBf, 4.5 µV Stereo: 38.3 dBf, 45 µV Usable sensitivity 11.2 dBf, 2 µV (IHF) S/N Mono: 76 dB Stereo: 70 dB Harmonic distortion at 1 kHz Mono: 0.3 % Stereo: 0.5 % Separation 45 dB at 1 kHz Frequency response 30 Hz - 15 kHz +0.5/-2 dB Selectivity 60 dB at 400 kHz AM tuner section Tuning range With 10-kHz tuning scale: 530 - 1710 kHz d) With 9-kHz tuning scale: 531 - 1710 kHz d) Antenna Loop antenna Usable sensitivity 50 dB/m (at 1,000 kHz or 999 kHz) S/N 54 dB (at 50 mV/m) Harmonic distortion 0.5% (50 mV/m, 400 kHz) Selectivity At 9 kHz: 35 dB At 10 kHz: 40 dB d)You can change the AM tuning scale to 9 kHz. After tuning in any AM station, turn off the receiver. Hold down the TUNING + button and press the 1/u button. All preset stations will be erased when you change the tuning scale. To reset the scale to 10 kHz, repeat the procedure. Video section Input 1 Vp-p 75 ohms Outputs 1 Vp-p 75 ohms General System Tuner section: PLL quartz-locked digital synthesizer system Preamplifier section: Low- noise NF type equalizer Power amplifier section: Pure-complementary SEPP Power requirements 120 V AC, 60 Hz Power consumption 290 W AC outlets 2 switched, total 100 W Dimensions 430 ´ 355 ´ 157.5 mm (17 ´ 14 ´ 6 1/4 in.) including projecting parts and controls Mass (Approx.) 10.5 kg (23 lb 3 oz) Supplied accessories ¥ FM wire antenna (1) ¥ AM loop antenna (1) ¥ Remote commander RM-PP401 (remote) (1) ¥ Carbon-ZINC dry batteries (2) Design and specifications are subject to change without notice.