Sony BM-77 Service Manual

Recording system
Tape speed
Fast winding time
Frequency response
Speaker
Power output
Input
Output
SPECIFICATIONS
4-track 2-channe{ monaural
(L channel for electronic index signals, R channel for sound signais)
4.8 cm/s (17/s in./s), 2.4 cm/s ("5/16 in./s)
Approx. 2 min. 20 sec. with Sony cassette DC-90
200 - 5,000 Hz (at 2.4 cm/s)
200-8,000 Hz (at 4.8 cm/s)
Approx. 5.7 cm (21/4 inches) dia.
350 mW (at 10% distortion)
TELEPHONE PICKUP (minijack)
Sensitivity 0.2 mV
Input impedance 10 kohms
EARPHONE (minijack)
for 8-300-ohm earphones
CONTROL UNIT connector
Power requirements
Power consumption
Dimensions
Weight
Supplied accessory
for HU-80 or FS-75
gv DC
DC IN 9 V jack accepts the supplied AC power adaptor for use on
120 V AC, 60 Hz (US, Canadian model)
220 V AC, 50 Hz (AEP, E model)
240 V AC, 50 Hz (UK model)
14 W (US, Canadian model) (with the supplied AC power adaptor)
13 W (AEP, UK, E model) (with the supplied AC power adaptor)
Approx. 200 x 70 x 245 mm (w/h/d) (77/s x 27/e x 93/, inches)
including projecting parts and controls
Approx. 1.2 kg (2 Ib 11 02)
AC power adaptor (1)
Design and specifications subject to change without notice.
MICROFILM
Model Name Using Similar Mechanism
BM-88
Tape Transport Mechanism Type
MB-88-59
SAFETY-RELATED COMPONENT WARNINGI!!
COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!
LES COMPOSANTS IDENTIFIES PAR UNE MARQUE /\
SUR LES DIAGRAMMES SCHEMATIQUES ET LA LISTE
DES PIECES SONT CRITIQUES POUR LA SECURITE
DE FONCTIONNEMENT. NE REMPLACER CES COM.
POSANTS QUE PAR DES PIECES SONY DONT LES
NUMEROS SONT DONNES DANS CE MANUEL OU
DANS LES SUPPLEMENTS PUBLIES PAR SONY.
DICTATOR / TRANSCRIBER
ONY.
US Model
Canadian Model
AEP Model
UK Model
E Model