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Heathkit AA-1214 - Page 19

Heathkit AA-1214
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l ,
I
'--
I
L
L..
L..
When installing
the
tantalum
electrolytic
capicilors, always
position
the
marked
lead
toward
the
positive (
t)
sign
on
the
cir c
uit
hoard
.
NOTE : With
colour
coded
capacitors
there
,s a
colour
sµot
on
one side
of
the
capacito
r. When viewed from
this
side,
with
the
leads
downward,
the
positive
( 1) 'l
ead
is
on
the
right.
MAY
BE
COLOURC
~O
;;.:
D
.....,
~..._
+-
SIGN
~
HEATHKIT
~
IMiiiHU-14
The steps performed
in
this Pictorial are
in
this area
of
the
circuit
board
.
IDENTIFICATION
DRAWING
T
PART
NUMBER
IJJ
10µF
tantalum
(brown
-black-black
L!.---
....
--
spot).
bQ
10
µF
tantalum
(brown
-black-black
spot).
"-J.
10
µF
tantalum
(brown
-black-black
spot) .
~
10
µF
tantalum
(brown
-black-black
s
pot).
~ ) .
68
µF
tantalum
(blue-grey-grey
spot).
(QIJ_
.
6B
µF
tantalum
(blue-grey-grey
spot).
t::/,J.
Solder
the
leads
to
me
foil and
cut
off the excess lead lengths.
t:/.J
IC
socket
(#434
-225)
at
JC101 .
Match
the
cutout
on
the
end of
the
so
cket
with
the
dot
on
the
circuit
board. Solder
all
the
pins
to
the
foil ;
be careful
that
there
are no solder
bridges
between
socket pins.
Q
0
PICTORIAL 2-8
b(!
19
CONTINUE
V
lnstal I
the
14-pin integrated
circuit
(#442-41)
in IC101
socket
. First
make sure
the
IC
pins are
straight
.
Then match
the
index
mark
on
the
IC
to
the
notch
in
the
end
of
the
socket.
Be
sure all
of
the
pins go
into
the
socket.
(
oti.,
10 uF electrolytic.
~ ) Solder
the
leads
to
the
foil
and
cut
off
the
excess lead lengths.
NOTE: Install
the
following transistors
in
the
manner shown. First line
up
the flat
of
the
transistor with the
outline
of
the
flat
on
the
circuit board.
Then
insert
the
transistor leads
into
their
correct
holes.
which are indicated by
E,
C,
and
B. Solder
each lead
to
the
foil and
cut
off
the
excess
lead lengths.
~
X29A829
transistor
(#417-201)
at
O102L.
t
o4_
2N5249A
transistor
(#417-213)
at
O101L
.
~
10
µF
electrolytic.
(~
X29A829
transistor
(#417-201)
at
O104L
.
(I)(
)
2N5249
A
transistor
(#417-213)
at
O103L.
~
Solder
the
leads
to
the
foil
and
cut
off
the
excess I ead lengths.

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