Sony TA-E88 - Schematic Diagrams

HEAD AMP POWER
SUPPLY BOARD
[
0952 SIRBIO
BOARD }
D901 SIRBIO
UK MODEL
AEP MODEL
901,903,904
2SCI890_
a902
2SA893
RELAY
DRIVE
AMP
—————_
R907
470k
SCI775
QITIS
2SA872
QIi,14
2SK43
Q7
2SCIOG!
Q3,8,4
2SCI775
QU2
2SK30A
Q50I
1T503
Q502
2Sc926n
Q503,504
2SA893
Q505
2Sc926A
QIBIG
2SCI775
Q12,13
2SA872
QIO
2SA671
Q6,9,5
2SA872
REC
OUT
BUFFER
AMP
Se
it
HEAD
AMP
POWER
SUPPLY
ai
+
@
Igy
D5OI
MVI2N
D502
MVI2N
:
.__
3M
‘
C
R5
Qt
Cti4
Fok
4.gvz
lok
(BD
bY)
ida
a7
os
\H
aavel
Q
509
[RECTIFIER
()
SAVE
(7
KD
V35V
R503
4A
AP
-
Bo
a
Cy,
ls
28v
ee
R10
4
ww
LOR
Bay
98
|_50
28.1
a
V
227i
Cy
ik
CNU7
:
18
a
68
By
be
H
if
de
!
cosa
OUT!
clog
0.015
soi}
_L.cso
029
RIS
HOOK
=
TOp
100k’
-30.8
1,508
TZ35V
BV,
3M
A
Q704
2SCIO61
~—Q705-707
2SCI890
Q708716
2SK30
93
Q701,709
2SK43
Q7I5
2SA67I
one
Tl4
2SA893
0
SUPPLY
S4L
MODE:
aT
'
i
a
a
EC703SR710
BV
|
cies
at
eS
410p
F
33k
0702
~
el
|
‘
~2,
-{yS
|
=!
S|
Yop
Ht
tt
gid
|
al
-3)
|
alo
|
Ov
ty
iz
te
ye
LEA
3
7
ae
REV
STEREO
MONO
S3L
[MONITOR]
SAL
[MODE]
Fy
4
—
4
3
-2
+
R321
=
R
R322
ay
47k
3
22k
100k
Me
soy
|
=
aeaerey,
STEREO
e704
—3V
470p
eS
EEE
Fae
|
ae
ee
a
A
ie
Psa
oo
re
R-CH
Tin
fel
l
|
Ror
7
;
H
RYS0I_
1
RY35I
I
out
ot
Y
“tas!
V,
bog
I
|
emai
y
24
|
om
LA!
YY
|
LOW
FILTER
R371
|
RYo1
Rvy25I
anna
ae
1
4k
Fa;
|
|
|
I5Hz
124B/0CT
Me
a
ie
es
a
ees
Kener
ae
|
-
WH
Lav)
3K42
Q406,407
2SA872
0405
2N5118
Q4ll
2SA872
Q408,409
2SCI775
Q410
2N4100
Q4i2
2SCI775.
Q4I3._
2SD669
4
Q414
25B649
|
~
lev
OUTPUT
AMP
|
R45
ye
Oy
Tt
|
RAI
56k
SSL
|
'
:
sie
4\
|
!
I
|
D401
oa
ee
OFF
-20
-i0
0
LOUTPUT
LEVEL(dB)~
‘00
6
CNJ9
Se
I
R430
aT
100
CNJIO
“180402 EQBOI-05 0403 ISI555
a
D906 EQAOI-05
obs
0904
ISI555
0903
ISI555
TA-E88/E88B
Note:
@
Component
for
right
channel
have
same
values
as
for
left
channel.
Reference
numbers
are
coded
as
shown
below.
HEAD AMP: from 151
PHONO EQ AMP: from 251
BUFFER AMP: from 351
OUTPUT AMP: from 451
REC
OUT
BUFFER
AMP:
from
551
POWER
SUPPLY:
from
751
CR BOARD: from 851
HEAD
AMP
POWER
SUPPLY
BOARD:
same
as
L-CH
Switches
are
distinguished
by
L
or
R.
(for
example
S5L
or
S5R).
©
All
capacitors
are
in
uF
unless
otherwise
noted.
pF=yuF
5OWV
or
less
are
not
indicated
except
for
electrolytics.
@
All
resistors
are
in
ohms,
%W,
+1%
unless
otherwise
noted.
kQ
=
10002,
MQ
=
1000k2
: B+ bus.
: panel designation.
: adjustment for repair.
: B— bus.
Readings
are
taken
under
no
signal
conditions
with
a VOM (20k9/V).
Transistor
base-emitter
voltages
are
measured
on
the
2.5V range.
©
Voltage
variations
may
be
noted
due
to
normal
pro-
duction tolerances.
@ Switch
-————
FUNCTION
FUNCTION
MONITOR
MODE
PHONO 1
PHONO
SOURCE
STEREO
0dB
OFF
OFF
OUTPUT LEVEL (dB)
POWER
LOW FILTER 15Hz
12dB OCT
CARTRIDGE LOAD
500pF/100k2
Note:
The
components
identifi
ing
and
A\
mark
Y
are
critical
for
safety.
Replace
only
with
part
number
specified.
—~23—