Download Print this page

Rotel RX-1203 Technical Manual page 17

Am/fm stereo receiver
Hide thumbs Also See for RX-1203:

Advertisement

Schematic Diagram
Schaltungsschema
Diagramme schématique
B4
71
588
87,
66, 424),
44
43
O
B3,
10
R322 82k
VR 303--STEREO THRESHOLD ADJ.
i=]
x
nN
So
x
R306
C 304 @
z 8
7
in oO
1
oF
oe
be
Ned
VR301---19KH2z PHASE
K
25V3.3 |
8
C501
R507
5
310
ADJ.
Ory
o
ki
©
4
2
ow
a
<
°
vi
aaa
o
C305 25V1.5
=
s
©
4mKe
R513
VR301
R304
=
2
>
ok
"
-
|
ve
=
ert
'
0303
Fe
| 15K
10K
22K
%
©
a
3
S
25C828
a
;
2
«
in
8
in
go
€303 360P
°
a
z
m
mie
asses,
6
5
-
a
|
aye!
=
|
©
wo
iS)
o
Vv
!
|
3
qt
eee
1S
FUNCTION
|
|
3s
i
Sy
(14)
a
>]
QI
oe
=
0.63 2. O.iav 13.6V
Ss
8
|
SI
~~
oS
3V_
24V
2.4v
0 .
VOY
1 3 :
)
Oo!
2
O41
inttAs 119.6
@)
S
)
|
a)
| 5
x
Viv
3V
1.8V7.6V
"
a}
3
7
my
@
a5
O
ol
8
4
"
o
'
Va)
wn
x
;
6g V-O#
©
i
2
|
eo!
l o s
[Io
ye?
©
ies
=
P|
Zz!
glo
Fg
-o
C502
REOB
el
z
S04
Bie
S
Sid
-O
O- Sth
H
Sil
O
O
eli
'
S
R307
nes
ere
ee
6» @
>
1 Or
O04
1
"
25V1
4.9K
R514
"
2SC828
pe
ats
ro
a
B
d
3S
30K
Zook
a
=)
FUNCTION
=O
-O=—
a
»
S
os
FUNCTION
R506 47K
=O
e
1S
-!
R308
31
1@2
sit;
a}
:
OF
«Ow
$5
MODE
oF
a
ml
ato
30K
x
o-
bx
1
of
0
1
x
a)
a
3 "zs
S
So 3
S
3
.
=
a
OQ00
|
ip = 19
|
LT
Lol &
vetoa}e
&
bs
R501 ¥2.2K
FUNCTION
|
Ps
3
=
og
20
1
2
VR302---STEREO SEPARATION
Olga
& [o>
re
Sl]
ox<|
&
ADJ.
o
FS
ek
os
"i
"Li
NY
>
ro
SSP
N
oO
wr
wn
°
fod
ale
w
w
w
v3)
a
cle;
e
2345
T
Pp
-
(FM
MPX
DECODER
)
J
st
fod
( TONE
CONTROL
AMP
)
TETs1A
OrOrOD
—_
——
59°
60
61
51
54
52
2-4°
"6
b2
E
7
5
[_]
O
O
oe
:
=
Q103
R134
epee
a
28C829
©
100
%
a
=
oO
7
C103
a
s)
8
oof
D106
z
L101 RL-49 GD 4 70P
C110
0.01
2
5
3
tou
rs
ah
a
re)
=
st
°
o
wn
w
°
'
.
0
ao
wo
a
ap
2
=
8
5
22
o
Ge
3S
a
a
oO
5,9V
x
=z
-
16V220
2
©
O
=
S
R144 100
=
in
a
z
Lah
b
2
4
aS
oO
ra
3
?
gs
2
ot
2
o
1114 RL-88
S
Ase
eee -
2
=
2.2
OX 103
x104
Tees
me
ok
1s
g
:
ara
eos
S|FE10.7MIA
x 2
HOM
OW
s/ae]s
oF
;
x
5
5
°
(7)s.v 10102 HA1137W
2
e
7
3
SFE10}. 7MA
5.4V
5.6¥
5.6V
4,8V
0.44V
;
3 re
=
9
8
S
'o.
O
Rii5
3.3K
O
6V 3.9V 2.2V
6V
WV
2V
2.6V
-~ 1.
R102 330
C107 7P
Sano
ote
OO
(4-1)-12)
.
4
10
- FM SIGNAL
METER
LEVEL ADJ.
T
2
0
2
a
!
ee
0
x
Oo
|
1¢101 wPC1021C
S78
=
O.7V 12.2V 12V 0.7V O.5V O.5V
=f]
tS)
3
ajsx
Ss
Py
Jo
©
:
=|
*
g
©
S
Bw
<
oOms|
=
Q
L113 RL-75
g
g | 7" ore
=
Fg
eos
835
=
=
8) &
2
a
RL
ws
a> S19
R162
R103 100
2
S
iz
2
2
3
iS
x
toe
c
zt
e
<4
5
=
=
=
SS
25M]
@
ee
S
S
8
7
8
;
<
=
L110 RL-90
eS
ae
ois
7
e
_
=
5
os
ie
7
7
g
UGC ACeE
1K188
223
{R106 2.2K
Pal
a
°
oO
x
=
=
5
VR103---AM METER ADJ.
Q108
Q109
Q110, Q111;
=
25C829
2SC829
2SC829x2
D107 KB-265
(AM
AND
FM
IF AMP
CIRCUIT)
H-IF-116E
1
b3
9
O
OO
—_
bdo
2SC828
:
25C 829
1413121109
8
%6 1514 1312 11109
1— AM
FUNCT
25C 1384
SAB14
2-FM
PHONC
2$C1327
.
251116
eon
zeae y
50526
3— PHONG)
EM
25€1222
°
3c1624
Snes
000}
25C1885
(e)
c
Oo
a
Ec
B/
25C1318
BO
6
2SA684
254921
Bea
BOTTOM
VIEW ———___——
——___—_————_
SIDE VIEW ————_____________-
——_____——.
TOP
VIWE
25
26

Advertisement

loading