Technics SL-PS900 Service Manual

SL-PS900
30
31
32
33
34
35
36
37
Note:
BJ
Power
suppcy
circuit
For
CE,
EB,
EG,
GN)
areas.
°S1
:
Power
(POWER,
&
OFF
=
ON)
switch
in
“ON”
position.
951
~
53
°S2
:
Voltage
adjustment
switch
in
“240V”
position.
2SD2037DEFTA
REGULATOR
Aves
(110 V++127 V<+220V++240V) [For (GC, PX) areas.]
REGULATOR
[aay
oo
©
$601~621
:
Numeric
(0O~20)
switches.
—_—_/_|
ee
er
ane
.
$601:
1,
S602:
2,
S603:
3,
S604:
4,
S605:
5,
_
$$$
$$
os2
~55,61,62
$606:
6,
S607:
7,
S608:
8,
S609:
9,
S610:
10,
of
ais
Sat
¢
sl
ah
ne,
i
ee
Cee
$611:
11,
S612:
12,
S613:
13,
S614:
14,
S615:
15,
“3h
s
S
$616:
16,
S617:
17,
S618:
18,
S619:
19,
$620:
20,
q
=
$621:
0
27
°
$622
:
Input
mode
(>
20)
switch.
Teaos720M2R2
“d
sso
LM2940T5M
*
$623
:
Play
(
PLAY)
switch.
oo
CONTROL
‘Se
to)
tap
ot
nelnaten
|
©
S624
:
Pause
(If
PAUSE)
switch.
-sav)
28523855"
2
*
$625
:
Stop
(I
STOP)
switch.
LIV
<
o8T
ae
of
<2
.
.
Se
288123
80STVE
ee
pag
ep
°
$626
:
Disc
holder
open/close
(A
OPEN/CLOSE)
switch.
;
<]
REGULATOR
2b
3sbiaezoRTva
an”
3V
Ate
$627:
Program
(PROGRAM)
switch.
sl
ee
“8
REGULATOR
957
Sere
$628
':
Recall
(RECALL)
switch.
.
MSZIOFPTA
|
ne
SE
Se
ea
*$629
—-:
Clear
(CLEAR)
switch.
285
47K
ei
ed
2SC3311ORSTA
ou~
14
civ)
1
:
¢
$630
:
Time
mode
select
(TIME
MODE)
switch.
werreery
REGULATOR
SYOISR
S200
¢
$631~634
:
Function
(F1~F4)
switches.
at2
wasooimte
~--
Ate
--5
|
|
bowen
Sonn
[S631:
F1,
$632:
F2,
F633:
F3,
$634:
F4]
“Ty
a
OK
°
$635
:
Direct
(DIRECT,
F5)
switch.
os
oY
i
A
©
$636
:
Function
manager
(FUNCTION
MANAGER)
switch.
C361
eety
a
©
$637,638
:
Search
(SEARCH)
switches.
1172)
alhiee:
AC
230-240V
I
[S637:
44,
$638:
PP]
:
pee
°
$639
:
Display
mode
(DISPLAY
MODE)
switch.
asy
|
°
$640
:
Timer
((E]
TIMER)
switch
in
“PLAY”
position.
5
csdtaee
(PLAY++OFF+RANDOM)
eel
|
f
°
S751
:
Disc
holder
open/close
detector
switch.
.
4
+:
-
a2:
ma
ba
e353
=
iy
¢
The
voltage
value
and
waveforms
are
the
reference
voltage
of
Nd
M3980
this
unit
measured
by
DC
electronic
voltmeter
(high
impedance)
|
aces
et
and
oscilloscope
on
the
basis
of
chassis.
2SA13509QRSTA
an
Accordingly,
there
may
arise
some
error
in
voltage
values
and
a
ees
Ei
0
bl
df Brey = waveforms depending upon the internal impedance of the tester
ps or the measuring unit.
* The parenthesized are the values of voltage generated during
playing (Test disc 1kHz, L+R, 0d8), others are voltage values
in stop mode.
¢ Important safety notice:
val
aa
/
0891,892
2SDI45ORSTTA
MUTING
“1c89l,892.
M5219FPTA
1cagi
BUFFER
AMP
:
Sree
.
.
:
been
:
cass
ap
NuMasee
(72)
f
cea
R|9!
Rees
L891
Components
identified
by
A
mark
have
special
characteristics
8.5v
ee
(C831,
R835
ba
OU
BR
ATO
AO
oo
SAH
important
for
safety.
When
replacing
any
of
these
me
eee
ee
eas
ara
ee
a8
33
components,
use
only
manufacturer’s
specified
parts.
1B
Lor
:
\
“Ky
:
es
The
supply
part
number
is
described
alone
in
the
replacement
248
rs
pest
parts
list.
“a
aaah
we
art
No.
roduction
Part
No.|
Supply
Part
No.
R8I7
47K
JK802
*
cOse
yp
eee
i
VARIABLE
IC54
LM2940T5M
LM2940T5
ore
eer) n
art
os
Ss
|
oy
|
1C402
BA4558FT1
SVIBA4558F
12V.
3.
C
<
sf
aan
ie
=
oesz
Q892
:
xa
oie]
rewes
32%
0803,
804
L
|
[issesea
.
eee
a
1C602
RCDHC-247
RCDO0003
“ase
28
250
1
450RSTTAC95«
:
7
.
Zila
MUTING
‘
Bete
z
ee
8
Linetodr
10891,
892
M5219FPTA
M5219FP
Lan
tS
.
:
Ty
:
3
;
3
at
rare
sae
—
1C901
M5218AL
M5218L
13
pens
eae
pip
16V33.
470
470
3.3H
2.
82
3.
:
L801
<a
AS!
Au
C/o
emames
:
Positive
voltage
lines
and
negative
F
—
3
hats
por
aout
voltage
lines.
¥
2SC33/0RSTIA
vkeo!
:
audio
signal
lines.
RE34
10K
MUTING
FIXED
Seer
Amey
ee
i
at
Z
Pars
C810»,
100P
R838
ss
"
Sc
aeninaenen
ACHOsI27/
=
3
eee
|
feuss
8.2K
Ss
a8
B87
C822)
Rese
Heb
2408
Caution!
278
|
s*
soot
age
wb
IC
and
LSI
are
sensitive
to
static
electricity.
Lav
ger
soe
it
|
Secondary
trouble
can
be
prevented
by
taking
care
during
repair.
ae
oe
1C803
~
806
Q80!,
802
tc
ccna
Seaman
roe
4
.
uv
|
cary
NJM4580ED-TI
2SC3311QRSTA
(172)
ee
|
Tas2—
Rass
©
Cover
the
parts
boxes
made
of
plastics
with
aluminum
foil.
os
C856
|
69P
OIFFERENCE
AMP
EMPHASIS
DRIVE
'6v
33
¢ Ground the soldering iron.
¢ Put a conductive mat on the work table.
- ¢ Do not touch the pins of IC or LSI with fingers directly.
—
39
—
—
49
—

Technics SL-PS900 Specifications

General

Brand	Technics
Model	SL-PS900
Category	CD Player
Language	English