Sony CFS-B15 (serv.man3) Service Manual ▷ View online
CFS-B15
AEP Model
SERVICE MANUAL
RADIO CASSETTE-CORDER
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MF-B15-117
MICROFILM
SPECIFICATIONS
Frequency range
FM: Europe: 87.6 – 107 MHz /
Italy: 87.5 – 108 MHz
AM: Europe: 531 – 1,602 kHz /
Italy: 526.5 – 1,606.5kHz
Italy: 87.5 – 108 MHz
AM: Europe: 531 – 1,602 kHz /
Italy: 526.5 – 1,606.5kHz
IF
FM: 10.7 MHz
AM: 455 kHz
AM: 455 kHz
Aerials
FM: Telescope
AM: Built-in ferrite bar
AM: Built-in ferrite bar
Recording system
4-track, 2-channel stereo
Frequency response
100 – 10,000 Hz
Spearkers
Full-range: 7.7 cm (3
1
/
8
inches) dia
×
2,
cone type
Output
Headphones jack (stereo minijack), for
16 to 68 ohms impedance headphones
16 to 68 ohms impedance headphones
Battery life
Batteries
Sony R20P
Sony alkaline LR20
FM Recording
Approx. 10 hours
Approx. 22 hours
Playback
Approx. 9 hours
Approx. 20 hours
Power requirements
230 V AC, 50 Hz / 6 V DC, four R20 (size D)
batteries
batteries
Power consumption
AC 6 W
Dimensions
Approx. 404
×
144
×
136 mm (w / h / d)
(16
×
5
3
/
4
×
5
3
/
8
inches) incl. projecting parts
and controls
Mass
Approx. 1.9 kg (4 lb 3 oz) incl. batteries
Design and spesifications are subject to change without notice.
— 2 —
TABLE OF CONTENTS
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE WITH
MARK
!
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
PUBLISHED BY SONY.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
SAFETY CHECK-OUT
··············································· 2
1.
GENERAL
······································································ 3
2.
DISASSEMBLY
2-1.
REMOVAL OF FRONT CABINET ··································· 4
2-2.
REMOVAL OF MECHANISM DECK ····························· 4
2-3.
DIAL POINTER SETTING ··············································· 5
3.
MECHANICAL ADJUSTMENTS
···························· 6
4.
ELECTRICAL ADJUSTMENTS
4-1.
TAPE RECODER SECTION ············································· 6
4-2.
RADIO SECTION ····························································· 7
5.
DIAGRAMS
5-1.
IC BLOCK DIAGRAMS ··················································· 9
5-2.
PRINTED WIRING BOARD –TUNER SECTION – ····· 10
5-3.
SCHEMATIC DIAGRAM –TUNER SECTION – ·········· 11
5-4.
PRINTED WIRING BOARD –AUDIO SECTION – ······ 13
5-5.
SCHEMATIC DIAGRAM –AUDIO SECTION – ··········· 15
6.
EXPRODED VIEWS
6-1.
FRONT CABINET SECTION ········································· 17
6-2.
MECHANISM DECK SECTION (1) ······························ 18
6-3.
MECHANISM DECK SECTION (2) ······························ 19
7.
ELECTRICAL PARTS LIST
··································· 20
— 3 —
SECTION 1
GENERAL
FUNCTION NAME
LOCATION OF CONTROL
1
2
(phones) jack
2
VOLUME knob
3
OPR/BATT indicator lights.
4
FUNCTION switch
5
TUNING knob
6
PAUSE button
7
STOP/EJECT button
8
FF button
9
REW button
!º
PLAY button
!¡
REC button
1
2
3
4
5
6
7
8
9
!º
!¡
— 4 —
SECTION 2
DISASSEMBLY
2-1.
REMOVAL OF FRONT CABINET
Note : Follow the disassembly procedure in the numerical order given.
1
battery case lid
2
+BVTP 3
×
12
5
front cabinet
4
Push the EJECT botton
3
+BVTP 3
×
12
2-2.
REMOVAL OF MECHANISM DECK
1
+BVTP 3
×
10
1
+BVTP 3
×
10
2
Remove the mechanism deck
in the direction of the arrow.
lug
