Schematic Diagram - Sony PS-2250 Service Manual

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PS-2250
PS-2250
TTS-2250
TTS-2250
4-3.
SCHEMATIC
DIAGRAM
Ql 2SC633A
= Q2_- 2SC633A
47/16
iv
_
_
_
X1_CX- 0328
al
RS
oa
=
Be
aif2sv eF
ss
te of ye
C3
2.2V
1 33/16V
BS
ate eee
ae.
c4
R2
R4
R?
10k
24k
10k
DI,D2
100-05
Note:
All resistance
values
are
in ohms.
k
1000,
1000 k
All capacitance
values are
in UF
except
as indi-
Waveforms
cated with p, which
means MF.
All voltages represent an average value and should
hold within +20 %.
All voltages are dc measured
with
a VOM
(DC
20 k ohms/V)
at no signal.
NORMAL
12.3mS
3311/3 rpm (45 rpm. 9.1 mS)
oe el
ee
0.45 V
ADA
. 3
Vp-
93
'pp
Waveforms
are measured by using an oscilloscope.
1
33 /, or 45 rpm
operation.
re5 0
Toss Vp-p
'
oS
NORMAL
STARTING
4
12.3mS_ 331/3rpm (45 rpm. 9.1 mS)
a
1
Tr,
fa
ae NO
Ot
@>o
10.63 vo
rG)
LA
Ay
125¥
25V
0
a
Nt
4
yO2V
T
ener eens mena) oan tenes
80V
ory,
Qo
Qt
tah T-4
:
———---—
ae
i
7.6V
18V
*O7V
Go tet
@o
ane
1
a
O9V
—_—=:
t=
0.6mS
:
T
T
100
=
O
Sl; SPEED SELECTOR
sw
D3,D4 10D-05
D5 !1T243M47
foo 188
aaa
a
eas |
180
9.0V
D3
C10
33
16V
D5
RIS | RIG
RI7
36k 4 36k
3.6k
cl2
ci3
33/IOV,
Sho
Lic
ieov
ci4
Ru
isjiev
fea
RI3. 24k
a
RI2 180
D7 zBI-I2
D8 cD-2
ins
D9 CDR-2
'ev
se ay 7 START
ae lO5V)
Ik
(SW)
ci8
10/350V
Q6 2SCB806A
DIO CD-4
NORMAL
STARTING
fe | 12.3:mS 331/3 rpm (45 rpm : 9.1 mS)
Se
AT
@>
09V,16V
aM
AES Ve a
50 Hz (60 Hz : 8.3 mS)
7
10ms
POAT
80.5 Vp-p
@.
{
180 Vp-p
0
62.1 Vpp
= 43 =—
Q3,04 2SC633A
D6 10D-05
Q5 2SA677
R22
R23
18k
560
{L6V
06
(Lav
8
yy) 05
NUS
IL8V
:
O.56V
ev
lie
K) a3
Us
C15
o47/lov
XK) 04
0.6'
R20
120k
Ral
(2k
RIO
Ccl6
ik
es
AEP_ Model
LAMP
R25_4,3k (tW)
$3; POWER SW
VOLTAGE
SELECTOR
AC
INPUT.
{
CONNECTOR
F
EP
Model
*
R25 4.3k (1W)
Dil CDR-4
STROBO ©
VOLTAGE
:
LAMPS
SELECTOR
i
FI 2
i
To D8
oe
To D9
To DIO
1
Te C20 —¢
Co
ed
CP(0,033y+1200)

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