Technics SA-X800L - Schematic Diagram

|| SCH EMATIC DIAG RAM (This schematic diagram may be modified at any time switch the
development of new technology)
m@ SCHEMATIC DIAGRAM OF REMOTE-CONTROL TRANSMITTER
Note 1:
BATTERY
¢§$201~S$203:
Band
selector
¢
Signal
line
$201:
FM,
$202:
MW,
$203:
LW
———>
:
FM
signal
coon
:
FM
OSC
A
e
$204
:
Memory
switch
ema
-
LW/MW
signal
aueep
©
LW/MW
OSC
e $205 : FM mode selector AF signal (Lch)
aX
$206,
207
:
Tuning
switch
:
Tape
Record
mzzzrf>
:
Tape
playback
:
;
$206:
up,
$207:
down
signal
signal
=
e
Chattering
e
$209~216
:
16ch
preset
tuning
switch
—{_}-
:
Positive
and
negative
voltage
line
abs
Simuhaneous
$209:
8/16ch,
$210:
7/15ch
*
Important
safety
notice:
Deena!
26
2
Push
inhibit
$211:
6/14ch,
$212:
5/13ch
Components
identified
by A\
mark
have
special
characteristics
FM
ANT
&
aa
Si
0
ON
$213:
4/12ch,
$214:
3/11ch
important
for
safety.
When
replacing
any
of
these
components,
GND
Gr
|"
(2)
Q
Q
+
$215:
2/10ch,
$216:
1/9ch
use
only
manufacturer’s
specified
parts.
Indicated
voltage
values
AM
ANT
)
Gan
ear
27
mm
('9)
=
°
$379
:
DECK
A
ATS
switch
are
standard
values
for
the
unit
measured
by
the
DC
electronic
9
©)
ON
med
3
e
$380
:
DECK
B
ATS
switch
circuit
tester
(high-impedance)
with
the
chassis
taken
as
§
q
"
(8)
>
S381
:
DECK
A
Rec
switch
standard.
Therefore,
there
may
exist
some
errors
in
the
voltage
ee
C)
20,
Qh
l2
4
=
°
$382
:
DECK
A
Muting
switch
values,
depending
on
internal
impedance
of
the
DC
circuit
tester.
AM
ONT
a
-
<
-
Oe
9
e
$383
:
DECK
B
Muting
switch
¢
All
voltage
values
shown
in
circuitry
are
DC
voltage
in
FM
signal
(17)
na
©
S384
-
DECK
A
Motor
switch
(Monaural
signal)
reception
mode.
x
xX
a
¢
$385
:
DECK
B
Motor
switch
Figures
in
(
)
Stand
for
DC-voltage
in
MW
signal
reception
mode
fe
Q
€
e
$401
:
Dolby
NR
switch
Figures
in
[
]
Stand
for
DC-voltage
in
LW
signal
reception
mode
T
a
é
(16)
&
Pulse
e
S402
:
Beat
proof
switch
in
Figures
in
((
))
Stand
for
DC-voltage
in
playback
signal
reception
ae
ee
XX
0
4
Generation
“A”
position
mode
;
CIRCUIT
Q
Q
Q
(8)
Circuit
S701
-
Power
switch
Figures
in
«
)
Stand
for
DC-voltage
in
REC
signal
reception
?
¢
$801~804
:
Input
selector
switch
mode
z
i
$801:
Phono,
$802:
Tuner
«Caution
!
(14)
$803:
CD,
$804:
Tape
-
.
;
$805,
806
:
Volume
control
switch
IC
and
LSI
are
sensitive
to
static
electricity.
:
es
Modulation
$805:
up,
$806:
down
Secondary
trouble
can
be
prevented
by
taking
care
during
repair.
i
(9)
e
°
$807,
808
:
Balance
control
switch
Se
we
lahat
occa
of
plastics
with
alminum
foil.
a]
3
$807:
light,
$808:
right
Ee
ed
(8)
2
°
$809
:
Muting
switch
+
Put
a
conductive
mat
on
the
work
table.
i
oO
.
* Do
not
touch
the
legs
of
IC
or
LSI
with
the
fingers
directly.
=
:
2
Q1001
100u
a
UN1231
o
.
5
1.7__
SWITCHING
Note
2:
CAUTION:
2
This
lithium
battery
is
a
critical
component
(Type
No.
1C1001
E
BR2325-1
VC.
Mfrd
by
Matsushita
Battery
Industrial
MN6013M
F
“
Co.,
Ltd.).
Please
observe
for
the
proper
polarity
and
Microcomputer
=}
S
the
exact
location
when
replacing
it
and
soldering
the
oF
replacement
lithium
battery
in.
LITIUM
PARISTO!
Pariston
saa
vaihtaa
ainoastaan
saman
valmistajan
saman
tyyppiseen
paristoon.
Pariston
virheellisesta
kdsittelysta
syntyy
rajahdyevadta:
|
0
|
AUDIO
MUTING
(—20dB)
CH7
(CH15)
|
1
[VOLUME
DOWN
¥
CH8
(CH16)
VARNING:
|
2
|
VOLUME
UP
A
[20
[PHONO]
Detta
litiumbatteri
(av
typ
Nr.
BR2325-1VC,
tillverkad
|
4
|
CH1
(CH9)
|
24
|
CD
PLAY
D/EB
PAUSE
av
Matsushita
Battery
Industrial
Co.,
Ltd.)
ar
en
kritisk
IN
|
5
|
CH2
(CH10)
|
25
|
CDSTOP
ml
komponent.
Var sdker
om
att
iaktta
korrekt
polaritet
a
|
6
_|
CH3
(CH11)
| 26
|
CD
SKIP/SEARCH
Kd
och
exakt
lage
av
litiumbatteriet
under
ersattning
och
CH4
(CH12)
CD
SKIP/SEARCH
Di
lddning
av
ersattningsbatteriet.
CH5
(CH13)
TAPE
CH6
(CH14)
ADVARSEL:
Lithiumbatteriet
er
en
vigtig
komponent
(type
nr
BR2325-1VC.
Fremstillet
af
Matsushita
Battery
Industrial
Co.,
Ltd.).
Husk
rigtig
polaritet
og
placering
ved
udskiftning
og
nar
De
lodder
det nye
lithiumbatteri
fast.
B
Cc