Technics SL-P200 - Schematic Diagram

cS] i 2010)
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SCHEMATIC
DIAGRAM
(This
schematic
diagram
may
be
modified
at
any
time
with
development
of
new
technology.)
Notes:
E
|
POWER
SUPPLY
CIRCUIT
e$1
:
Power
switch
in
“on”
position.
=
°$2
:
Voltage
selector
switch.
Q (cil
7A
CONVERTER/AUDIO
CIRCUIT
2SD1862
Lm2o40
--4-4
A
(For
[XA],
[XB],
[PA],
[PE]
and
[PC]
only.)
D
|
pe
aida
REGULATOR
REGULATOR
Pay
uy
He
¢$101
=:
Disc
holder
open/close
detection
switch.
;
a
|
|
¢$102
~_:
Disc
holder
open/close
detection
switch.
aov
SF
111
OEY
E
im
*
$601
=:
Open/close
switch.
113
oat
©
;
@
A
¢$602
=:
Stop
switch.
BA4558FTI ~
e $603 : Pause switch.
° $604 : Play switch.
¢ $605 : Repeat switch.
¢ $606 =: Program switch.
STABILIZER
64V <a}
AC 120V
60Hz
For(M),(MC )areas
©) © © ¢
¢S607 =: Backward search switch.
<
1901
°S608
=:
Forward
search
switch.
¥
4
mn)
°$609
=:
Backward
skip
switch.
h
sev
ee
®
REMOTE
¢S610
:
Forward
skip
switch.
a
mimes
Wage
|
||
[LY
EB
weanPHones
ame
circuit
Seete-
Fines
ac
enn
i
hee
Td
al
cer
aaa)
ee
*
The
voltage
value
and
waveforms
are
the
reference
voltage
of
a
“VG
seit
HEADPHONES
AMP
MUTING
ay)
this
unit
measured
by
DC
electronic
voltmeter
(high
impedance)
giz
waadszom
O23]
R16
By
and
oscilloscope
on
the
basis
of
chassis.
288 1238 4 eK
REGULATOR
Accordingly,
there
may
arise
some
error
in
voltage
values
and
waveforms
depending
upon
the
internal
impedance
of
the
tester
or
the
measuring
unit.
*The
parenthesized
are
the
values
of
voltage
generated
during
playing
(Test
disc
1kHz,
L+R,
0dB),
others
are
voltage
values
in
stop
mode.
¢ Important safety notice:
Components
identified
by
A
mark
have
special
characteristics
important
for
safety.
When
replacing
any
of
these
components,
use
only
manufacturer's
specified
parts.
¢
—1/--4_1--:
Positive
voltage
lines
and
negative
voltage
lines.
: Audio signal lines.
732.4V 7%)
100K AS
© 6902 001
=S KH
(PHONES VR871
LEVEL)
r
Qs6 |
DTAI24EST 2SC3311
SWITCHING REGULATOR
Gina Fil
EE
Stop 5.0V
Qe62
2SAI 309
REGULATOR
4,0v|
Al
TEST)
9
Sms.2V/DIV Play —°
1Oms.2v/D1V
eV
(o)
(S)
©
OMUTE
TRON
STAT
D852
MAI6S
Ba
Power
Source
For
Continental
Europe
and
Australia.
mK
Play |kHz0dB
'c802 Ari Asi
Pe
fenton
NJM4560M
J
Fiesma_
iPower
1c805
BUFFER AMP.
1C301 v
MN66 17 Sys. 2W/Div.
DIGITAL SIGNAL
PROCESSING
NAW [ss BAP, 0
O.2ps.2V/DIV Ss. 2V/DIV.
Qs52
DTCI24EST
SWITCHING
ass!
DTAI24EST
SWITCHING
DTAIIGEST
MUTING CONT.
Te ove
aS ov
leh -3.2V
@ ze
Oo 9 O5ys.2v/DIV
Z
AC220V or 240
{50/60H2 )
s
Play
SOps.2V/01V
C815 1000P R821 47K
Q803,804
2SD1450
MUTING
a : LINE OUT
AC 240v
(502)
(92fs(8.4672MHz)
768 fs(33.8688MHz)
5
|
erties
=
C816 1000P
4
-——
+
eee
2ps.
2V0IV
\c302
CXK5816M 1c302
Bal 16K RAM
7
1c803
LM833M
COMPARATOR
aimee:
Q854¢
Q855
x
Play
ACII0/127/220/240N
DTCI24EST
DTAI24EST
1c804
paeaa
SV
INSDN2
ae
IkHz
048
'
sou)
SMLTCHING
SWUSHING
R840
330
NJM4560M
SWITCHING
LOW
PASS
FILTER
SON
AvAye
:
wey
|
BUFFER
AMP.
—
19
—