Technics SU-610Amplifier - Page 11

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R307 3.9K
—
R319 33K
C313 0.082
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CN501B
A
AC IN
220V--CE, EG)
240V--({EB,GN)
50/60Hz
_—11—
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_
B
SCHEMATIC
DIAGRAM
(Parts list on page 21, 22) _
| | (This schematic diagram may be modified at any time with the
development of new technology.)
Notes:
| 7
|
ra
|
eS
:
Power
switch
in
“fon”
position.
:
_
eS2
:
Voltage
selector
switch
in
‘‘240
V”
position.
(110
V/127
V/220
V/240
V)
For
(GC)
area
only.
eS101 : Input selector switch in “phono” position.
©S103-1 : Tape-monitor select switch in ‘“‘source/off”’ position.
7 (tape 2/on—~—source/off) . 4
eS103-2 : Tape-monitor select switch in “source” position.
' (tape 1/DAT--—source)
©S103-3 : Loudness switch in “off” position.
@S301 =: Tone control switch in “defeat” position.
eS$501-1 : Speaker (A) switch in “on” position.
@S$501-2 : Speaker (B) switch in “‘off’’ position.
————— : Positive voltage lines.
: Phono Signal (Lch)
: Recording Signal
e 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
ofthe DC circuit tester. —
Important safety notice: 7
Components identified byA\ mark have special characteristics
important for safety. When replacing any of these components, use
only manufacturer's specified parts. | |
*Caution!
:
IC
and
LSI
are
sensitive
to
static
electricity.
eee
;
7
pees
Secondary
trouble
can
be
prevented
by
taking
care
during
repair.
.
“Cover the parts boxes made of plastics with aluminum foil. ae
*Ground the soldering iron. | a
*Put a conductive mat on the work table.
*Do not touch the legs of IC or LSI with the fingers directly.
Power Source For{GC] area.
poi
A
(POWER)
AC IN
110/127 /220 /240V
§0/60Hz
re AC IN/Z
IAC OUTLETS CIRCUIT
EE OES SS LL
—12—