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Heathkit TA-16 - Page 12

Heathkit TA-16
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effll
II
HLA?I'I
TrI-r
Page
9
START
NOTE:
Transistors
are
marked
with
either
a
type
number
or
a
part
number.
Both
numbers
are
given
in
these
steps
to
help
you
identify
the
transistors.
Solder
the
leads
after
.
each
transistor
is
installed
and
cut
off
the
excess
lead
lengths.
(0
2N3391/417-91
at
Ql.
FLAT
FLAT
SIDE
"
r-
SIDE
C C B C
B E
E
(
j)
2N3391/417-91
at
Q2.
A
2N3393/417-118
at
Q3.
(14
2N3393/417-118
at
Q4.
( (
2N3391/417-91
at
Q5.
(V2N3393/417-118
at
Q6.
(,
/)
2N3416/417-94
at
Q7.
1/
"
(U
2N3566/417-109
at
Q11.
WIDE
SPACE
B
#
_....)
-
4E
1/4"
C
T
j(
S2090/417-110
at
Q13.
NOTE:
The
transistor
installed
in
below
may
be
in
either
of the
two
shown.
Determine
which
type
received
so
you
can
correctly
identify
B,
and
E
leads.
WIDE
SPACE
FLAT
SIDE
OR
:... ..
(,)'
2N3692/417-108
at
Q12.
the
step
shapes
you
have
the
C,
•.
••
PICTORIAL
5
CONTINUE
'Or
(./fPlace
the
2N3053/417-100
sistor
on
the
the
transistor
position
of
transistor
the
transistor
and
4-40
x
5/16"
screws.
It
is
mounting
plate
screws
are
tightened.
4-40x5/16“
SELF-TAPPING
SCREW
TRANSISTOR
MOUNTING
unpainted
to
heat
mounting
self
normal
bend
tran-
side
of
sink.
Note
tab.
Use
plate
-tapping
for
the
when
the
PLATE
#205-M347
TAB
TAB
LOCATION'
..
e.iï,
.11j
2N3053
,
417-100
TRANSISTOR
HEAT
SINK
#100-M587
(
/Place
1"
of
sleeving
on
each
transistor
lead.
Insert
transistor
leads
E,
B,
and
C
through
holes
E,
B,
and
C
at
Q8
on
the
circuit
board.
Then
secure
the
heat
sink
to
the
circuit
board
with
#6
lock-
washers
and
6-32
nuts.
6-32
NUT
e e
#6
LOCKWASHERQ
Q
,
08
,
i,
EBC
1
# 1
IS
,
eii
E B C
TRANSISTOR
HEAT
SINK
(/
'
Solder
and
cut
off
the
excess
transistor
leads
on
the
foil
side
of
the
circuit
board.
(
4Check
to
see
that
all
leads
are
soldered
and
that
no
solder
bridges
exist
between
foils.
Set the
circuit
board
aside
until
it
is
called
for.
FINISH
PROCEED
TO
PAGE
00.
PARTS
PICTORIAL
EXAMPLE
MYLAR
CAPACITOR
COLOR
CODE
CHART
I
COLOR
ST
DIGIT
2ND
DIGIT
MULTIPLIER
BLACK
0
0
1
BROWN
1
I
TO
RED
2
2
100
ORANGE
3
3
1.000
YELLOW
4
4
10.000
GREEN
5 S
100.000
BLUE
6
6
1,001).CK0
VIOLET
7 7
10.000.0D0
GRAY
e
8
100,000.000
WHITE
9
9
1.000.030.003
BROWN
-
BLACK
- 0
ORANGE
1.000
10
1.000
10.000
PI
tr
10.000
pi
MI
TA

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