Sony BM-840T Operating Instructions - Page 11
Maintenance, Specifications
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Maintenance Capstan Erase head Pinch roller Playback head Cleaning the heads To produce optimum sound, clean the tape heads after every 10 hours of use. Disconnect the AC power adaptor. 2 Press EJECT to open the cassette compartment lid. 3 Moisten a cotton swab or a soft cloth with alcohol, and wipe the parts shown above. Cleaning the cabinet Clean the cabinet with a soft cloth slightly moistened with a mild detergent solution. Never use strong solvents, such as thinner or benzine, since they may da-mage the finish. Specifications Tape (MICROCASSETTE) (normal position type) Track system 4-track 2-channel monaural (k channel for electronic index signals; k channel tor sound signals) Tape speed 2.4 cm/s in./s), 1.2 cm/s (I 3,l:2 in./s) Fast winding time Approx. 1 min. 50 sec. (2.4 cm/s) with Sony microcassette MC-60BM Frequency response 200 - 4,000 Hz (at 1.2 cm/s) 200 - 6,000 Hz (at 2.4 cm/s) Speaker Approx. 5.7 cm (214/ inches) dia. Power output 350 mW (at 10'7, distortion) Output EARPHONE (minijack) for 8 - 300-ohm earphones CONTROL UNIT connector for foot control unit Power requirements 9 V DC DC IN 9 V jack accepts the supplied AC power adaptor for use on 120 V AC, 60 Hz Power consumption 14 W (with the supplied AC power adaptor) Dimensions Approx. 200 x 70 x 245 mm (w/h/d) (77/f; x 274J x 91.4/ inches) including projecting parts and controls Mass Approx. 1.2 kg (2 lb 11 oz) Accessories supplied AC power adaptor (1) Foot control unit (1) Earphone (1) Design and specifications are subject to change without notice. Optional accessories Foot control unit FS-85 Earphone DE-45, DE-36 Headphones MDR-U10M Cleaning kit KK-31 Your dealer may not handle some of the above listed optional accessories. Please ask the dealer for detailed information about the optional accessories. Additional Information 11