A
-
I
Bel
0
~
• SCHEMATIC DIAGRAM (TUNER & OPERATION)
1
Each voltage given here represents
that in the FM (98. 1MHz, STEREO) reception mode
but the one in the parentheses
(
) Is that in the AM (1080kHz, MAN'L) reception mode.
1----------------------------------
I
PKI
52
I
y. I<t.. •.:..
I
I
2
3
4
5
6
7
81
...--
..,.,
J -
!of.
'Ff.tNA)
.. ~_ • ~- __·.T" I
-
TEl
I
~
rO ~
I~-
.
-~A'
r,:.r:.
(FRO..T'
LA005~
~
ffi ffi
>
+
~
~
""-...
AMiFM IF
t:=:\
ANT <
~ ~
_1,
75/1
'::;Y
0
;:r.._-
.... "
T!'"
~
_
'"
'0-
Lg
u=~ ;:';=~
0
Ij'~'
'MHz
~
Ri
~i;
:i'
~,--~~~-J
-::
-~Rj
~---t-
a..--Il
0
:£
(9~6)-
AM
0-
m
m
=~~:H
rJ
~5:;:B('!
8
--
;!;
=~
~-c:.-
2.7(~)
~
2
'~'
Ie;,
'
U
~ll~~
1:= ;:
E~~
S'EtO
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O(
tO~s;;o~~;,
I
I
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0
-,
I4J.
I
1
r
l ~;}:
~".:o
;'6J,""-'
d~
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Gt
Y
hI'J
J~
~t~
eH
I
.~ ;: ~':
~~~
1
T
C535',
~;'J'~~I:~~l~
~O~i~1
~~~Ir-+-+---TP~'
~
I;
m
=m-
0:
-
u~
C
AM SENSITIVITY
ADJ
1 2
3
.:I
5
6
7
8
9 10 II 121
u'1
'I.
•
~,,;
~
I
1
1
0
,1..,C..,1
LA1266
I
('\J
ffi
~
0
-
.,." b
R.
•
..,ell
I
I
I
~
;P2
oC34
.0
l'
15'
......
I
~:047
R34
I
'.J
'I:
D=g:
lOOOP
J
-'
~8
1
OJ
~o
I
1.0(\1
~
I
., ..~
~:6
I,
I
FI3
j
~~~~
~
~
1*
n'
~21
'
,OOK
I
1
~ ~
1t ~
0
:;;
~
~
:;;
,.
~
I:;;I~
w~
m
3
!
03
-il--~-
J
1
DJ~ ~
f)~
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:,3, ~ 5
r
:1
I
330K
~-.
~
~-
-f -- --~
~~~
OATA
~
~ ,j,mMETEO
IQ ~
u@ ~
"--0923
(\J
1;2 ~
f'1
~
~
tt
1.
j~
~
r
I ~
I
~
~ ~ ~ u
'S: ~
05
~
~R: ~
~b:
~.L~
LHHii~5~I~~~~~
,
m
('~:':~I~S/T ~ ~
u
~ ~
~,p
u~
0
I
..~ ..
2,;;h,
m
0
/
9.-
crr-
II-'
,
/
SI'PA~AT
_
I
0.
S
SIGNA~ETER
ADJ.
~
0
g:
-
,
,
-
is
-
I
G@ ~
I
is
a~~
0'
~
I
u~~~_
~~
I
(\J
0
FMIF
~
gO'!
FM
:
I
ii' ~
AMOSC
::RaJ-
FMOSC
'<t
3 ....
4
I
\D
~13
<.D
a.
~
~
ID
STOUT
,
I
el\I::: ~
i<i
2.2M
;:;@ ~
~-;<:
~
me
a::
I"i
!=l15
C7
UJ
~
"'I'µC,!"L
+_--1
+-
--.I
L-------:/,----~~~...±f1_4
~,.::: '"
o.mL....,..--.--
__
-+---+_-+- __
----.J
2· 2K
1/50
3" g
;
~(Ursrp.a
,.
I
@l~
~~~----------~~--~----~----------~
I
/
~
.
(4_8~O.!
~XLlr
t5v
C18151vl
)1r-,,..+-:.:;"2,,,2..J
0
!5 3
9.9{9.9)
/
4.
(4.8)
I.I{I.
)
10K
7. 2101HZ
~
If.....
,
0
Q2
m
i5
'"
i5
';;/'"
REGULATOR
I
(o.Ei)C33301RIS/T]
uT~
~T~
1
6.0(6.0)
I
/
0(0
03
"m
M
m
f'1
$
g
:2
tt
_
/
17
C3330l):l/5/TI
PLL
~ ~
a:
"6
0
a:
cV
S
u
~
e
I
FM
L.
P. F,
IC2
_
~
ffi g.
g
I
I,
1
(1.7\
11
Jl
(0)
0
U
0
Vl
,1.5MHl
7V
;!
0':01
'
12
):1(0.1)
.....
(O
~
18.IMHz
4.1\1
0 ~O)
13
J.l
(1.8)
I
l08.OMHz'
N
4
5.6
(!
.5)
14
2.8 (0)
.6(5.51
15
5.0(5.0
AM
.)
5.3{: 3)
16
5.0(5.0
7
531kHz
I.4V
~
.9
).2)
i~
1.1 (1.1)
I
1080kHz
4.:lV
~
) (~
"J
19
:J
,J)
5
I
1611k'"
I.W
10
20
1.3(13)
,
IITUN~R
I
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
Summary of Contents for RX-V990
Page 40: ......
Page 56: ......
Page 79: ...A c B D 1 2 3 4 5 6 RX V990 EXPLODED VIEW o v 50 ...
Page 80: ...r E F G 51 H ...