Sony CFS-B31 Service Manual

Frequency range
CFS-B31:
European model
FM: 87.6-107 MHz
AM: 531-1,611 kHz
Italian model
FM: 87.5-108 MHz
AM: 531-1,611 kHz
CFS-B31L:
European model:
FM: 87.6-107 MHz
LW: 153-279 kHz
CFS-B31L:
East European model:
FM: 65-74 MHz
87,5-108 MHz
LW: 153-279 kHz
TF FM: 10.7 MHz
AM/LW: 450 kHz
Aerials
FM: Telescopic aerial
European, UK, Italian model:
AM/LW: Built-in ferrite bar aerial
East European model:
LW: Built-in ferrite bar aerial
Recording system
"track, 2 channel stereo
Frequency response
50-12,500 Hz
Photo : CFS-B31
JIL
AEP Model
CFS-B31/B31L
UK Model
CFS-B31
SPECIFICATIONS
Speakers
Full range: 10 cm (4 inches) dia. x 2,
cone type
Maximum power output
2.5W+2.5W
Output
Headphones jack, 16-68 ohms
inpedance
Power requirements
For radio cassette-corder:
European, East European model:
220-230 V AC, 50 Hz
United Kingdom model
230-240 V AC, 50 Hz
9V DC, six R20 (size D) batteries
For radio memory:
3 V DC, two R6 (size AA) batteries
Power consumption
10 W AC operation
Battery life
For radio cassette-corder:
Batteries FM recording | Playback
Sony approx. approx.
SUM-1(NS) | 18 hours 8 hours
Sony AM1 approx. approx.
alkaline 30 hours 20 hours
Model Name Using Similar Mechanism | CFS-B11
Tape Transport Mechanism Type
MF-200
For radio memory: approx. one year
Dimensions
Approx. 440 x 136.5 x 150.5 mm
(w/h/d)
(17 %x 5 %x 6 % inches) including
projecting parts
Mass
Approx. 2.8 kg (6 Ib 3 02) including
batteries
Accessory supplied
Mains lead (1)
Optional accessories
Sony "MDR" headphones series
Design and specifications are subject to
change without notice.
RADIO CASSETTE-CORDER
SONTY.