
0
o O o
Fig. 2 -The
printed
circuit
board
for the
In -Home Car
Radio
power
supply
is
shown
here
for those
who prefer
the
convenience
of
PCB construction.
How-
ever,
if all
you have on
hand
is
perfboard
material
feel free to use
it.
13.4V
TO RECEIVER
11
T1
15V,2A
EARTH TO
RECEIVER
CASE
OV
15V
EARTH
Fig. 3-All
the parts, except
for the power
transformer,
are
mounted on a small
printed- circuit
board
measuring
about
4.5
by
2.5 incl es, as shown
here. The
installation
order
of the
parts
is strictly a
matter of choice,
but
keep an eye
on the
orientation of
the
semiconductor
components.
POWER
TRANSFORMER
117V
//
MAINS
CORD
/1nl MAINS
CORD
\1Y
CLAMP
67
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