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Technics ST-7300 Service Manual

Technics ST-7300
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Schematic
Diagram
Only
set
for
Australia
[XAL]
Antenna
Circuit
L501
Notes:
1.
S1:
Power
source
switch
in
‘“OFF”’
position.
2.
S2:
Band
selector
switch
in
‘’FM”’
position.
@AM=+—
@
FM
3.
S383:
Muting/FM
mode
switch
in
“"ON/FM
AUTO"
position.
®
OFF/FM
MONO+©@ON/FEM
AUTO
4.
S4:
Recording
level
check
switch
in
‘‘OFF”
position.
@ON+~>@
OFF
5.
$5:
Voltage
selector
switch
in
“*240V"'
position.
®
110V*+"@
120V*"@
220V
=~
©
240V
6.
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.
CJ)
FM
monaural
signal
reception
( )
AM
signal
reception
<
>
FMsstereo
signal
reception
5
FM
muting
circuit
operation
position
This
schematic
diagram
may
be
modified
at
any
time
with
the
development.-of
new
technology.
Power
Source
.
Power
Source...
..
only
set
for
England
[XE]
....
Only
set
for
Australia[XAL]
...
Model
ST-7300/ST-7300K
501
SUP10373A
L5
@cs
c2P
TR?
OG
:
2SC16
area
Ey
FM
MIX
-
>
{
a
VO
low
x
=
aa
ry)
=
2
|
sge
a)
A
oO
©
on
iad
(9)
é
alo
C4
Jol
C[
S
°
-MjO.00K,
O]
7
Oo
=
oO
x
a
ec}
@|
5
=
TRI
4
2SK49
FM
RF
AMP
ts
{|
OS
c
©
CFioz
1C101
AN217
(3))FM
Ist.2nd
IF
AMP
|
AM
MIX
OSC
IF
BOTTOM
L201
VIEW
r--——
|
VQQ
Q
VOYQYQQQYY
VY
Tio
cs
PO.022
330
oN
ah
S192
80201,
(A)
6
a
“b|204
ey
x
wo
|
OT
-~oN
(E)
wis
«le
NJ
l
als
|
a
~
TRsoi
Ra
|
:
2SD57!
2.
D501,
502
REGULATOR
SVDIOE|
.
RECTIFIER
|
r
|
|
|
|
|
|
(
L502
25C1672
ia.
aG
6s
a
2SC945
O2
O2
O!
60
O01
60
om
E=—
fA
L2o2
Teor
Lao
C
L203
T202
SouIce
T203

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Technics ST-7300 Specifications

General IconGeneral
BrandTechnics
ModelST-7300
CategoryTuner
LanguageEnglish

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