Panasonic Technics SU-CH7

>H7
SU-CH7
SU-CH7
28
29
30
31
32
33 34 35
36
37
Notes:
®S601~605
:
Input
selector
switch.
\cso1
eS601:
TAPE,
S602:
PHONO,
VER
AE
$603:
CD,
S604:
TUNER,
S605:
DAT
(LOW
SP
DRIVE)
eS606
:
Graphic
EQ
switch
(ON/FLAT).
©S607
:
Equalization
mode
select
switch
(MODE-RECALL).
aa,
For
(EG)
area.
S608
:
Spectrum
mode
select
switch
(‘SPECTRUM
MODE—DEMO).
°
33v—.
ad
©S609
:
Ambience
enhancement
switch
(SPACE).
LU
aT
ui
a
-
eS610
:
Super
bass
switch
(SUPER
BASS).
Zee
San
ater
es6tt
:
Volume
preset
switch
(VOL.
PRESET).
a
O°
b
a
S700
:
Voltage
adjustment
switch
in
“110~127
V”
position.
ake
cae
‘
=
(110~127
V/220~240
V)
for
(GC)
area
only.
ane
gk
ae
Sowers
S701
:
Power
switch
in
“ON”
position.
Bey
5s
:
i
asl
38
1eS02
uK522
Indicated
voltage
values
are
the
standard
values
for
the
unit
measured
by
the
DC
electronic
circuit
tester
(high-impedance)
with
a3
axes
Rieke
Aue
Sige
cnT)
the
chassis
taken
as
standard.
Therefore,
there
may
exist
some
errors
in
the
voltage
values,
depending
on
the
internal
LY
gris,
SS]
(HIGH
SP
RIVE)
a
UK523
impedance
of
the
DC
circuit
tester.
4
e|mportant
safety
notice:
1c502
si
Components
identified
by
4
mark
have
special
characteristics
important
for
safety.
When
replacing
any
of
these
components,
cee
use
only
manufacturer's
specified
parts.
<
«
ne
eThis
schematic
diagram
may
be
modified
at
any
time
with
the
development
of
new
technology.
[be
:
:
LOW:
6a
c=]
;
.
.
;
;
?
-OM-O-O)-
OB
7
E
us
momma
:
Positive
voltage
line
RS
CD/PHONO
signal
(L
ch)
Line
a]
3
1
3
|
UK
522
saminsa
:
Negative
voltage
line
:
Rec
out
signal
(L
ch)
Line
ey
=
=
savlon
eEm=>
:
Super
bass
signal
line
commen
|
Spectrum
analyzer
signal
Line
gLepi
OV
ibe
cNs00¢
1
=
res
MIC/HEADPHONES
conc
:
Hightone
speaker
drive
signal
line
c——>
:
MlC
signal
Line
Pea
ieee
Be
sue
ie
a
JACK
CIRCUIT
mmm
:
Phase
difference
signal
Line
*"[E
[Ags
Lesl
=
5
1
3
For(e,
85
3
38
.
pass
MIC
signa
H
Caution!
i55
1°
|6C,GN)
:
at
a
——
1__{
eIC
and
LSI
are
sensitive
to
static
electricity.
areas
it
RS
fe
e
|
k271
i
i
i
422
=*
oe
J}
po
me
Secondary
trouble
can
be
prevented
by
taking
care
during
repair.
p+
+H
r)
Vt
cam
@Cover
the
parts
boxes
made
of
plastics
with
aluminum
foil.
Gaon
as
J2048
©Ground
the
soldering
iron.
3
6)
z
4
Put
a
conductive
mat
on
the
work
table.
a2
veg
2
on
ee
1©@)_)-OO_
ere
Do
not
touch
the
legs
of
IC
or
LSI
with
the
fingers
directly.
=
<4
9701
a
+
+
wfPy
*-34
n8
¢
23017
62EF
b
a
s
i
@
The
supply
part
number
is
described
alone
in
the
replacement
parts
list.
Pa
al
a8sBe
aSy
ys
“a
=
asf
=
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og
ICN5018
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JSO1B
3
9703
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Parts
No.
Supply
Parts
No.
=e
£2qr
9703
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Source
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—18—
—19—