SERVICE MANUALSony CorporationPersonal Audio DivisionPublished by Sony Techno Create CorporationUS ModelCanadian ModelWIRELESS STEREO SPEAKER SYSTEM9-887-014-022006B16-1© 2006.02Ver. 1.1 2006.02SPECIFICATIONSSRS-RF930RKGeneralCarrier frequency 913.5, 914, 914.5 MHzChannel Ch1, Ch2, Ch3Modulation FM stereoTransmitterPower source DC 9 V: supplied AC power adaptor(AC-S901)Audio input Input cord - stereo mini plug(1.5 m)/stereo mini jackInput impedance 27 k /50 at 1 kHzDimensions Approx. 120 ⋅107 ⋅123 mm(4 3/ 4 ⋅4 1/ 4 ⋅4 7/8 in.) (w/h/d)Mass Approx. 192 g (6.8 oz.)Speaker systemSpeaker system Full range, Bass reflex, magneticallyshieldedSpeaker Unit 57 mm (diameter)Rated output 2 WAudio input stereo mini jackInput impedance 5.9 k at 1 kHzDimensions Approx. 366 ⋅120 ⋅86 mm( 14 1/ 2 ⋅4 3/ 4 ⋅3 1/2 in.) (w/h/d)Mass Approx. 905 g (31.9 oz.) incl.built-in rechargeable batteryBuilt-in Ni-MH rechargeable batteryVoltage 4.8 VCapacity 700 mAhDuration time Approx. 14 hours*Charging time Approx. 16 hours (from fullydischarged to fully charged)* at 5 mW + 5 mW outputSupplied accessoriesAC adaptor (1)Operating instructions (1)Design and specifications are subject to change without notice.Photo : SILVER