Read Sony CFS-B15 (serv.man4) Service Manual online
SERVICE MANUAL
US Model
Canadian Model
E Model
9-923-218-81
Ver. 1.3 2005.07
CFS-B15
SUPPLEMENT-1
Subject: Addition of AUDIO board (1-668-147-11), POWER board (1-668-151-11) and
TUNER board (1-668-148-11)(These boards are used in Thai model only.)
2
CFS-B15
AUDIO board (1-668-147-11), POWER board (1-668-151-11) and TUNER board (1-668-148-11) has been added.
These boards are used in Thai model only.
This supplement-1 describes printed wiring boards, schematic diagrams and electrical parts list about these boards.
Refer to original service manual (9-923-218-1[ ]) for other information.
These boards are used in Thai model only.
This supplement-1 describes printed wiring boards, schematic diagrams and electrical parts list about these boards.
Refer to original service manual (9-923-218-1[ ]) for other information.
Note on Printed Wiring Boards.
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
Note on Schematic Diagrams.
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF) 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise specified.
•
f
: internal tolerance.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 6 V and fed with regulated dc power supply
from battery terminals.
• Voltages is dc with respect to ground under no-signal (detuned)
conditions.
no mark : FM
(
no mark : FM
(
) : AM
<
> : PB REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Signal path.
F
: FM
E
: PB
a
: REC
Note:
The components identi-
fied by mark
fied by mark
0
or dot-
ted line with mark
0
are
critical for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés
par une marque
par une marque
0
sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
3
3
CFS-B15
CFS-B15
PRINTED WIRING BOARD – TUNER BOARD –
30
16
15
1
CT1-1
CT1-4
CV1-1
CV1-4
CV1-2
CV1-3
CT1-2
CT1-3
TUNING
1-668-148-
11
(11)
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
TUNER BOARD
A
AUDIO
BOARD
BOARD
SUPPLEMENT-1
Page 5
(
(
R15
C11
C21
T3
C4
C3
C7
R8
C20
C18
R6
R3
R2
T2
CF2
FM/AM
GND
MD LUG
TERMINAL
BLU
L
R
CF1
JW2
JW3
C8
C9
C17
R5
C16
C15
C14
C13
C12
C6
C5
C28
R7
L1
L3
C2
C1
CV1
R16
C24
C10
C19
C25
L2
R1
T1
RV1
R12
C22
C23
IC1
4
4
CFS-B15
CFS-B15
SCHEMATIC DIAGRAM – TUNER BOARD –
(0.2)
0.7
(0) 0.3
(0) 0.8
1.2
1.2
1.2
1.2
1.4
1.6
0.9
0.9
0.9
0.9
0.7
3.5
1.4
(1.1)
1.4
(1.1)
4
0.7 (1)
1.3 (0)
1.3 (0)
0
1.3
(3.5)
3
35V
35V
27p
30p
ANT2
AM BAR ANTENNA
A
AUDIO
BOARD
BOARD
SUPPLEMENT-1
Page 6
(
(
