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Technics SE-CH530 Service Manual

Technics SE-CH530
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|
SE-CH530
m@
Power
Source
ON/OFF
of
This
Unit
1.
Connect
the
AC
power
cord
of
this
unit
to
an
AC
outlet
and
turn
it
on.
(This
unit
comes
to
stand-by
mode.)
2.
Make
test
point
short
as
shown
in
Fig.
1.
POWER
indicator
lights
and
this
unit
comes
to
power
ON
mode.
Operation
Check
1.Set
this
unit
to
power
ON
mode.
2.Input
a
signal
(1
kHz,
100
mV)
to
the
section
between
the
jumper
J603
(LINE
IN
for
L-ch)
and
the
jumper
J308
(LINE
IN
GND)
as
well
as
the
section
between
the
CN501-2
onary
jumper
J604
(LINE
IN
R-ch)
and
the
jumper
CNSO1-1
Jumper
(J603)
O
J308
S
CN501-3
CN703-2
CN703-1
(LINE
IN
for
L-ch)
3.Connect
the
speaker
to
the
speaker
TP701
mad
terminals
and
check
if
it
sounds
from
the
speaker.
[71]
Jumper
(J308)
a
ae
of
|
(LINE
IN
GND)
JK201
Jumper
(J604)
(LINE
IN
for
R-ch)
Speaker
Terminal
Fig.
1
m@
Schematic
Diagram
Page
OPERATION
CIRCUIT
..........cccccccscscsscscssssesesscscsesssstsessversesavensessen
12
Bo
MAIN:
CIRCUIT
oscisssnsnassancdoasanersereetetinersdecuenntsmomuieiiotesiausoeie
12,13
POWER
TRANSFORMER
CIRCUIT
.............ccccccscssssssssstessescseen
13
[oJ
AC
IN
TERMINAL
CIRCUIT
..0...0......cccccccscsscescescescessestcstesteteneeees
13
®
This
schematic
diagram
may
be
modified
at
any
time
with
the
development
of
new
technology.
Notes:
e
$601
:
Power
“STANDBY
©
/ON”
switch
(POWER
STANDBY
©
/ON)
®
S606
:
SOURCE
DIRECT
switch
©
$607
:
EQ
SPACE/FLAT
switch
©
S608
:
V.
BASS
switch
®VR401_~—s:
Microphone
volume
control
(MIC
VOLUME)
®
VR601
:
Volume
control
(VOL)
®
|ndicated
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.
No
mark:
Power
ON
®
|mportant
safety
notice:
Components
identified
by
/\
mark
have
special
characteristics
important
for
safety.
Furthermore,
special
parts
which
have
purposes
of
fire-retardant
(resistors),
high-quality
sound
(capacitors),
low-noise
(resistors),
etc.
are
used.
When
replacing
any
of
components,
be
sure
to
use
only
manufacturer’s
specified
parts
shown
in
the
parts
list.
®
Caution!
IC
and
LSI
are
sensitive
to
static
electricity.
Secondary
trouble
can
be
prevented
by
taking
care
during
repair.
Cover
the
parts
boxes
made
of
plastics
with
aluminum
foil.
Ground
the
soldering
iron.
Put
a
conductive
mat
on
the
work
table.
Do
not
touch
the
legs
of
IC
or
LSI
with
the
fingers
directly.
®
Voltage
and
signal
line
amempees
©
Positive
voltage
line
asaaPeanen
-
Negative
voltage
line
iene
:
Source
signal
Line
(L-ch)
==>
:
Mic
signal
ee

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Technics SE-CH530 Specifications

General IconGeneral
BrandTechnics
ModelSE-CH530
CategoryAmplifier
LanguageEnglish

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