Technics-ST-8055-K-Service-Manual电路原理图.pdf
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Technics-ST-8055-K-Service-Manual电路原理图.pdf
0 ORDER NO. 7908-1608 Manual Quartz Synthesizer FM/AM Stereo Tuner ST-8055 (EG), (XA), (XE), (XGF) ST-8055K (E), (EG), (XA), (XGH) ST-8055K The models ST-8055 (E, EG) and (E, EG) are available in Scandinavia and European only. The models ST-8055 (XA) and ST-8055K (XA) are available in Asia, Latin America, Middle East and Africa only. * The model ST-8055 (XE) is available in United Kingdom only. * The model ST-8055 (EB) is available in Belgium only. The models ST-8055 (XGH) and ST-8055K (XGH) are available in Holland only. * The model ST-8055 (XGF) is available in France only. TECHNICAL SPECIFICATIONS DIN 45 500 are subject to change without notice for further improvement. TUNER SECTION Frequency range* Antenna terminals Sensitivity S/N 30 dB S/N 26 dB S/N 20 dB 46 dB stereo quieting sensitivity 87.50 108.00 MHz (balanced), (unbalanced) (IHF, usable) 1.2 Total harmonic distortion S/N MONO STEREO MONO STEREO 69 dB (IHF: 65 dB (IHF: 20 Hz kHz, +0.5 dB Frequency response Alternate channel selectivity (+400 kHz) Capture ratio Image at 98 MHz rejection at 98 MHz Spurious response rejection at 98 MHz AM suppression Stereo separation Carrier leak Limiting point Power bandwidth 1 kHz 19 kHz 38 kHz IF amplifier FM demodulator Channel balance (250 Hz 6300 Hz) 0.3% 75 dB) 70 dB) 1.5 dB 75 dB 1.0 dB 65 dB 100 dB 90 dB 55 dB dB, 10kHz 35dB -37 dB) dB) 180 kHz dB 531 kHz 30 V/m dB 45dB dB AM TUNER SECTION Frequency range* Sensitivity (S/N 20 dB) Selectivity (9 kHz) Image rejection at 1000 kHz rejection at 1000 kHz GENERAL Output voltage 0.3V (0.6V, F Power consumption 1 2W Batteries for memory back-up (optional) three A A size batteries DC 4.5V Power supply (50 Hz/60Hz) 20V/220V/240V Dimensions 430 x 53 x 240 mm x 2-3/32 x 9-7/16) Weight 2.8 kg (6.2 lb.) For some countries, this unit is equipped with an selector. The specifications shown above are correct with this switch set to the FM 50 kHz/AM 9 kHz position. If it is set to the FM 200 kHz/AM 10kHz position, however, the FM frequency range becomes 88.1 MHz, and the AM frequency range becomes 530 kHz. Technics Matsushita Electric Trading Ltd. Box 288. Central Japan
