Technics SA-203 - Page 7

Note 1:
Note 2:
[Fig. 8]
Heat-sink
Bottom view
[Fig. 9]
When
checking
or
repairing,
remove
the
speaker
from
the
speaker
terminal.
If
it
is
necessary
to
check
or
repair
without
removing
the
speaker
from
the
terminal,
short-circuit
the
phono
input
terminal
beforehand.
Setscrew
@
(Fig.
6)
is
screw
with
detents
(Part
No.:
XTBS3+8BFZ)
as
shown
in
Fig.
11-A
in
order
to
make
the
contact
of
electric
circuit
perfect.
Take
care
not
to
mix
up
these
screws
with
other
screws.
When
substituting,
use
a
3
x
8mm
tapping
screw
(Part
No.:
XTB3+8BFZ)
and
toothed
lock
washer
(Part
No.:
XWC3B)
as
shown
in
Fig.
11-B.
The
teeth
of
the
lock
washer
should
be
positioned
on
the
chassis
side.
Rear panel
Heat-sink
Power amplifier IC
[Fig. 10]
Detent
XTBS3+8BFZ1
Detent
Ot pip )--*783+88F2
VA AVY 3
Detent
[Fig. 11]