File name Sony-STRDE245_345 rec.pdfSTR-DE245/DE345
SERVICE MANUAL
Ver 1.0 2000. 02
AEP Model UK Model E Model Australian Model
STR-DE245/DE345
Photo: STR-DE345
US Model Canadian Model Chinese Model PX Model
STR-DE345
Manufactured under license from Dolby Laboratories Licensing Corporation. "DOLBY" the double-D symbol ; "AC-3" and "Pro Logic" are trademarks of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION With 8-ohm load, both channels driven, from 20 20,000 Hz rated 100 watts per channel minimum RMS power, with no more than 0.09% total harmonic distortion from 250 milliwatts to rated output. Outputs MD/TAPE REC OUT: Voltage: 150 mV, Impedance: 10 kilohms VIDEO AUDIO OUT: Voltage: 150 mV, Impedance: 10 kilohms SUB WOOFER: Voltage: 2 V Impedance: 1 kilohms PHONES: Accepts low and high impedance headphones Full mute +6 dB at 70 Hz ±6 dB at 100 Hz and 10 kHz
AM tuner section
Tuning range 10 kHz interval* 530 1,710 kHz 9 kHz interval 531 1,710 kHz Loop antenna 450 kHz 50 dB/m (at 1,000 kHz or 999 kHz) 54 dB (at 50 mV/m) 0.5 % (50 mV/m, 400 Hz) At 10 kHz: 40 dB At 9 kHz: 35 dB
Antenna Intermediate frequency Usable sensitivity S/N Harmonic distortion Selectivity
Amplifier section
Rated Power Output at Stereo Mode (8 at 20 Hz 20 kHz, THD 0.09 %) 100W + 100W (8 at 1 kHz, THD 0.7%) Front: 100 W + 100 W Center: 100 W Rear: 100 W + 100 W TV/SAT, CD, MD/TAPE, VIDEO, 5.1CH/DVD 10 50 kHz +0.5 dB 2.0 Impedance S/N Muting BASS BOOST TONE
Reference Power Output
Frequency response
Tuner section
FM Stereo, FM/AM superheterodyne tuner
Inputs Sensitivity CD, 5.1CH/ DVD, MD/TAPE, TV/SAT, VIDEO
FM tuner section
Tuning range Antenna terminals Intermediate frequency Sensitivity Usable sensitivity S/N Harmonic distortion at 1 kHz Separation Frequency response Selectivity 87.5 108.0 MHz 75 , unbalanced 10.7 MHz Mono: 18.3 dBf, 4.5 µV Stereo: 38.3 dBf, 45 µV 11.2 dBf, 2 µV (IHF) Mono: 76 dB Stereo: 70 dB Mono: 0.3 % Stereo: 0.5 % 45 dB at 1 kHz 30 Hz 15 kHz +0.5 dB 2.0 60 dB at 400 kHz
* You can change the AM tuning interval between 9 kHz and 10 kHz. Turn off the receiver and press the ?/1 (power) for more than 4 seconds until "INITIAL" appears. 1) After turning in any AM station, turn off the receiver. 2) Hold down PRESET TUNING + button and press the ?/1 (power) button . "9 k STEP" appears.
150 mV
50 kilohms
85 dB
To change to 10 k Step, repeat step 1 and 2 until "10 k STEP" appears. Note that all preset stations, index names and sound field are cleared after you make the procedure above.
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FM STEREO FM-AM RECEIVER
VIDEO section
Inputs Outputs VIDEO, TV/SAT, 5.1CH/DVD: 1 Vp-p 75 VIDEO, MONITOR: 1 Vp-p 75
MODEL IDENTIFICATION
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General
System Tuner section: PLL quartz-locked digital synthesizer system Preamplifier section: Low-noise NF type equalizer Power amplifier section: Pure-complementary SEPP 120 V AC, 60 Hz 235 W 17 × 56/8 × 12 inches) (430 × 145 × 304 mm) 7.3 kg (16 |