Technics SH-8045 E

H-8045 SH-8045
Ground
(Earth)
lines
Notes:
*
The
part
No.
of
transistors,
IC
and
diodes
mentioned
in
schematic
diagram
stand
for
production
Part
No.
|
Regarding
the
Part
No.
without
o
mark,
the
production
Part
No.
are
different
|
|
from
the
replacement
part
No.
:
Therefore,
when
placing
an
order
for
replacement
parts,
please
use
the
Part
No.
10/120/220/240V in the replacement part list.
@ AC {
(50/60Hz)
1.
This
is
the
basic
circuit
diagrarn
(For
continental
Europe)
of
this
unit.
Note
that
part
of
the
circuit
is
subject
to
change
depending
on
the
areas.
2. Regarding the circuits to be changed in the basic circuit diagram
VOLTAGE
(For
continental
Europe)
and
related
areas
[XL]
and
[XA],
refer
to
the
SELECTOR
speparated
service
manual
(Order
No.
SD82042179C8-A).
3.
$1-1~S1-4
:
Equalization
(EQ)
switch
in
‘‘on”
position.
4.
$2-1,
$2-2
:
Tape
monitor
switch
in
‘‘source”’
position.
source
=
tape
5.
$3-1~S$3-6
>
Equalization
position
(EQ
position)
switch
in
‘source’
(TH)
position.
Power
source
rec
out
‘Transformer
oA
+3dB
Lamp
6.
S4-1~S4-6
:
Variable
range
switch
in
‘+
12
dB”
position.
=
+12dB>-+43dB
co
ee
Lamp
7.
$5
:
Power
switch
in
‘‘on”
position.
I
dL
8.
S6
:
Voltage
selector
switch
in
‘‘'220V"
position.
ei
Blue
110V~™=120V=
=
220V
=~
240V
i
ain
9.
The
R
and
L
channels
use
the
same
circuit.
For
the
resistance
and
capacity
of
the
R
channel
operation
amp.
(IC2),
refer
to
the
L
channel
(IC1).
The
R
channel
of
B.P.F.
circuit
is
omitted.
10.
[___]
Indicated
voltage
values
are
the
standard
values
for
the
unit
measured
by
the
DC
electronic
circuit
tester
(high-impedance)
with
the
chassis
taken
as
standard.
Therefore,
there
may
exist
some
errors
in
the
voltage
values,
depending
on
the
internal
impedance
of
the
DC
circuit
tester.
11, seseess2 Signal lines of left channel.
12.
MMs
Positive
(+
B)
voltage
lines.
mama
Negative
(—
B)
voltage
lines.
13. Important safety notice:
Components
identified
by
A
mark
have
special
characteristics
important
he
sdaates
F
deog
:
for
safety.
i
<
OOt
|
af
lege
When
replacing
any
of
these
components,
use
only
manufacturer's
specified
parts.
Yellow
yy
|
C55.
a
Yellow
eee
41GH3
35)
..
Blue
55:
GROUND POWER,
POINT
e Terminal guide of transistors, IC’s and diodes
SVITA75559S 2SA1015 2SA968
2801815
2802878 eds
eR
MA1160
119
107
17
123143
4
S4
33
S2
S{
109
08
104
111
3
5
VARIABLE]
|
EQ
TAPE
12
102
7
6
2
RANGE
|
|POSITION|
iMONITOR
116 Ho {1A.