Sony BM-147 Service Manual

Also see for BM147 - Cassette Transcriber: Operating instructions

MICROFILMSPECIFICATIONSPlayback system 4 track 4 channel monauralFast winding time Approx. 2 min. 20 sec. with Sonycassette C-90 at 2.4 cm/sec.Approx. 4 min. 40 sec. with Sonycassette C-90 at 1.2 cm/sec.Frequency response 250-7000 Hz (2.4 cm/sec.)250-4000 Hz (1.2 cm/sec.)Speaker Approx. 7 cm (27/g inches)Power output 400 mW (at 10% harmonic distortion)Output Earphone jack (minijack)for 8-ohm earphonePower requirements 120V AC, 60 HzPower consumption 200 mADimensions Approx. 224 x 68 x 232 mm (w/h/d)(87/3 x 23/4 x 9'/4 inches)incl. projecting parts and controlsWeight Approx. 2.5 kg (5 Ib 9 02)SAFETY-RELATED COMPONENT WARNING!!COMPONENTS IDENTIFIED BY SHADING AND MARKA ON THE SCHEMATIC DIAGRAMS AND IN THEPARTS LIST ARE CRITICAL TO SAFE OPERATION.REPLACE THESE COMPONENTS WITH SONY PARTSWHOSE PART NUMBERS APPEAR AS SHOWN IN THISMANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.US ModelCanadian ModelTape Transport Mechanism Type | MB-147-57FEATURESe Four channel transcriber for use with the BM-146 Sonycourt confer-corder.e Selectable recorded tape speed: 1.2 or 2.4 cm/sec.¢ Four digit tape counter compatible with Sony courtconfer-corder for locating recorded materials.e Full remote control transcription by using the optionalfoot control unit.e The tape speed and tone in playback mode can be con-trolled to keep pace with your transcribing speed.e The REVERSE TIME contro! enables you to repeat a fewwords of dictated material as often as you like.e All mode shut-off mechanism activates at the end of thetape in any operating mode.ATTENTION AU COMPOSANT AYANT RAPPORTA LA SECURITE!LES COMPOSANTS IDENTIFIES PAR UNE TRAME ETUNE MARQUE /\ SUR LES DIAGRAMMES SCHE-MATIQUES ET LA LISTE DES PIECES SONT CRITIQUESPOUR LA SECURITE DE FONCTIONNEMENT. NE REM-PLACER CES COMPOSANTS QUE PAR DES PIECESSONY DONT LES NUMEROS SONT DONNES DANS CEMANUEL OU DANS LES SUPPLEMENTS PUBLIES PARSONY.TRANSCRIBERSONY.TC 2 @beg aes