Sony CFD-449 Service Manual page 16

Table of Contents

Advertisement

5-6.
SCHEMATIC DIAGRAM—AUDIO/MECHANISM
DECK/POWER SECTION—
¢ Refer to page 31 for IC Block Diagrams.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
{|
17
18
19
20
21
22
23
[AUDIO MAIN BOARD(2/2)]
es
Matt Aaa] — myn
|
|
W———
[TC301 wee oneness
GRAPHIC
EQUALIZER
TO MAIN
TO
BOARD(1/2)
4
MAIN BOARD
VOLUME CONTROL
(See page 20.)
Tape
[FUNCTION
72)
10303
C113
°
S
I
(CD RADIO OFF)—»RADIO—= CD
52
100/10V
R210
an
(See page 19.)
POWER AMP
—1¢
6
pT
Ae
NN
|| a
=:
| 302
]
Swi | [PHONES]
©
a
'a
(See page 28.)
$302~-2
.
C110. -Ri18
_
(9)
_g | 1000
R110
TO CD: MAIN
2.2/50V
15k
.
.
J
82
we
"BOARD
-
=
gore
=
1€303 LA4597
O
fe)
x%
L304
I
- 2.2yh
'
(2/2)
4
A
|
501. 502 R302
sor |
wor Po
\ UH BOARD(2/2)]
Rar Os) | 282708 2.6 | aso |.
= oor
[RELAY(H.M)1 BOARD(2/2))
ik
80V4)
aN
=
=)
O
9S
C216
1
100P
0.001
|c209
LEFT 303
304 abe 0333
(
Sov
0.01 "T" 100P
R117
+|
+
USE IMP:3.20
33k
RIGHT
|
e338
Tape
t-f¥
(CD RADIO OFF)—»RADIO—=cD
0308
Q308
308
__ $302-4 |
SEL2210R-D
wos
[RELAY(H.M)I BOARD(1/2) }
S
R317
47
D302
D308
1SS133
1$$133
PAUSE OFF MUTE
R102
C101
330 4-7/50V 4
10302( 1/2)
TO MAIN
BA33 12M
$301°4
aloz
318
BOARD(I/2)
|
7_
REC/PB
"03,4
2$C4048
220
re
PB — REC
:
(See page 19.)
C335
ay
=
33/16V
0306
MTZJ5.6B
eee
CN303
5v(CD)
een on Gael! BS
es
voton on
}
:
BOARD
4
. CNT04
mops
SV (COM)
(See page 28.)
CD RECORD SWITCH
1302 (2/2)
BA3312M
-1
=
L-cH=
Q101
ee
a304
HRP301
RECORD OFF MUTE
2$C4048 0 (5)
REC/PB HEAD
Bpre REC
° "ppoe REC
,
roy REC
2 24
\
$301-7
$301-6
O
&
RocHt™
§
.
$602
7
.
;
PAUSE
O
CN6OI
; AW
|
2$C4048
Q202
0301
254048
MTZJ6.8C
HE30O|
.
|
D901 D3SBA10
peewee eee
RECORD OFF MUTE
100
,
,
I
RECT
—_
(OV
ti
c902
D301
a
1
enens| [denen
owe
he A
how
|
|
$301-
|
re o+_{ 6 >
ao}
fle
fy
it"
_
|
REC/PB
|
|
|
;
is
i
PB—=REC
'
a
1
A
ZZ
_
;
;
.
:
1
¢
j
<< |
$361
-
0.0027
Q202
<]
°
0
<2
i J901
t
veo
yey
REC/PB
PAUSE
OFF
MUTE
$603
2
AC IN
PB—= REC
= PB—=REC
R308
RV40l =
F901
i Ss
'L™
$301-3
$301-2
150
125V/3A
1 &
_—
eccpenccnec
si
——
=
_—
ee
sich
©
eo
O
Q303
;
-_
;
1 TOTAL CURRENT
BIAS OSC
a
B
+
"""t901 A
A
1
(Fi BOma
J $303
301 -
-
Q303
"4 aN
M601
|
POWER A\ LINE FILTER
1
| kik oma
~
}
AIT
+
tts
.
BIAS OSC
2sc945 |
tev
MOTOR
TRANSFORMER
TRANSFORMER
|
aL AY s140mnA
'
.
i
pies
| , | ¢306
S|
Js,
——————
ea
4
REC : I50mA
_| 8200
| .
Aire
R307, >!
ple.7)
| FF: 195m
.
||a-—
iS
we
F
J
L REW: 140mA
.
,
~~ | C307
'
<a
3
0.0015 |
e309
-\s/ R306
lol
.
;
0.0047
vy
4.
DRY BATTERY
Darra
»
SIZE °D°
-l}
s
.
| s301-8
_l (1EC DESIGNATION R20)
4
REC/PB
6PCS, 9V
|
PB—eREC
ad
CN902
04
Note:
®
All capacitors are in uF unless otherwise noted.
pF: unk
S5QWV or less are not indicated except for electrolytics
and tantalums.
@
All resistors are in 2 and '/,W or less unless otherwise
specified.
e
%
: indicates tolerance.
r) Ee
: nonflammablie resistor.
eo
{wUt: fusible resistor.
Note:
:
Note:
The components identi-
| Les composants identifiés par
fied by mark
A\ or dot-
| une
marque A\sont critiques
ted line with mark A
pour la sécurité.
are critical for safety.
Ne les remplacer
que par une
Replace only with part | piéce portant le numéro spéci-
number specified.
fié.
:
:
6
seme
° 8+ Line
®
Total current
is measured
with no cassett
co
3
in os
[2]
o
[es
®
Power vollage is de 9V and fed with reculated co power
supply frorn vatiery terminal.
@
Voltage is cc with respect to ground uncer no-signe!
CONCITIONS.
no mark:
PB
(
):
<
2 C
e
Voltages are taken with
a VOM
(ingut impedance
1OMQ)}.
As
C2 tt
c
Voltage
variations
may
be
noted
due to normal
sroduc-
tion tolerances.
e
Signal path.
<>
oo: FM
>>
:PB
>
CD
CFD-445

Advertisement

Table of Contents
loading

Table of Contents