Technics SU-G50 User Manual

1
2
3
4 5 6
7
8 9
10
m@ SCHEMATIC DIAGRAM
BY main circuit
(Parts liston pages 24~27.)
(This schematic diagram may be modified at any time with the development
of new technology.)
GND YQ e3vi00
+
poles:
AN6S58F
2
1¢530
S
1C40
@S601-1,
601-2
:
Speaker
selector
switches.
ee
ace
PHONO
EO:AMP
R461
RAS
M5238P
TC9212P
[S601-1: A, S601-2: B] : \ Aap ey BUFFER AMP ATTENUATOR
aie
‘
P
"gece!
ee
R459
c457
|
C459
R467
(VOLUME)
S701
:
Power
switch
in
“on”
position.
peo
ee
Pye
Bd
Ua
at
aki
SRE
eS751
:
Voltage
selector
switch
in
“110
V”
position.
PHONO
cai
(110
V/127
V/220
V/240
V)
L
6
|
aye
si
HA
Uy
Roch &
For
(GC),
(PX)
areas
JK40I-
1
Fo
Rasi
C451
Se
B]
s901~906
:
Input
selector
switches.
vv
oman
—
a
fl
og
5
Ae
ole
a
$901:
Phono,
$902:
Tuner
Sloe
|
‘el
hf
eT
od
<8
eT
$903:
CD,
S904:
Tape
ann
eos
3/8]
z
S|
¢
z|
3
$905:
VCR
2/TV,
S906:
VCR
1
S
cot
ptt
S907
:
Super
bass
switch.
aes
2
|
Slow
a)
ol
S|
x
sl
5
ox #85 53S: sl ef 3 Sle 84 8]
——R
ch
3%
E85
gy
53°
Taf
5]
5
wey
=e
27
*
CDePhono
signal
line
Recording
signal
Tes
|
z2
Shr
af
mee
gt
S|
&
Bie
ow
ls
Positive
voltage
line
----—
Negative
voltage
line
UREN
43
iLs*
|
Rab2e20
.
case
a
an
0
&
=
an
C462
35V4.7
mee
¥
.
»
K
t=;
mo
Indicated
voltage
values
are
the
standard
values
for
the
unit
measured
by
:
8
tae
ee
i;
tw
Riis
22K
cola
|
the
DC
electronic
circuit
tester
(high-impedance)
with
the
chassis
taken
as
68
6.022
6800"
|
oi
EEE
YY
eld
Cc
standard.
Therefore,
there
may
exist
some
errors
in
the
voltage
values,
Teor
|
is
depending on the internal impedance of the DC circuit tester.
e|mportant 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.
5 ic4ol
ital
©
TCOI63N
R417
100K
*Caution!
[28h
A
rae
¢
INPUT
SELECTOR
IC
and
LSI
are
sensitive
to
static
electricity.
TK
S08
Ne
7
sane
a
rao
b
Secondary
trouble
can
be
prevented
by
taking
care
furing
repair.
4
*Cover
the
parts
boxes
made
of
plastics
with
aluminum
foil.
aa
nch
Gara
—
{=
fe
R590
220K
R591.
56K
*Ground
the
soldering
iron.
-
REC
OUT
D
*Put
a
conductive
mat
on
the
word
table
.
t
‘—— L ch - VR552-1
*Do
not
touch
the
legs
of
IC
or
LSI
with
the
fingers
directly.
Jka02~2
DATA
cL
(assy
es
’
3
$
0K
5
TAPE
012
get
=
z
[sr
sh
STB
GNO
=
BS
"
PLAY BACK
rea: sen
ieee
Power
Supply
circuit
For
(GN)
area.
_
&,
=
os
aah
Sak
+
f——R
ch
ioc
sas
oT
N=
R555
RST
POWER
SWITCH/SPEAKERS/
ae
3.9K
;
WE HEADPHONES JACK CIRCUIT REC OUT 7 t i] al
age,
|
ip
=
ov
Lov
[aS
o>
te
—
£
:
8
E
ace
JK
404~1
‘
=
ae
@)-@)
OF
A
as
VCR
1/
EQ
8
14BV
&
as
I
2
t
C791
0.01
ee
7
eh
.
6
E>
PLAYBACK Recording if
signal(ich)
5
—— Loch
JK
404-2
1
| 5 R556
@ o 220P 3.9K R558 3.9K
2 5 ° 3
'
SB]
Sy
s
[7
3
f
ed
gt
2
1C551,552
2 | M5218P
x TONE/SUPER
A
2
3x
BASS
AMP
F
{
F
fSe7eon
2
cs62
@
837 2
|
tooKtc)
laoKiey”
g
|
(BASS)
(TREBLE)
a
gs
3g
gs
|
[EJ OPERATION CIRCUIT |
a13= =14=

Technics SU-G50 Specifications

General

Brand	Technics
Model	SU-G50
Category	Amplifier
Language	English