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'-'~t'GM,
tt11
~r.)h
START
•
(
}
R.,f.,,-
to Detail
2
1
OA
at
the bottom
of
this
page and cut
thl!
fo,ir
lugs
(without
holP.s}
from
sw
itch M
.
Do
1101
cut
any
otht!r luys
from th
e
!-.w1tcli
a!-.sembly.
(
}
lmtall tlu, switch asscmllly
on
the
ci,rn
it board lly
carefully inserting
all
of
the
sw
itch
lugs in
their
.
mountiny
holes.
Then
push
the
assembly
onto
the circuit lloard,
alternately pressing each switch.
Milk!!
su
rr. the
switch inountinq
liar
is
a~.iinst
tht! ci rcui
t boarrl
along its entire
lt!nCJth
.
/\l
so
make
sure
the
assmnb
ly
is
parall el
with
th
e cirrni
t
lloard
.
Then
turn
the
assembly over and
solder
two
lugs
on
eac
h
"'"'
of
the
switc
h
assemllly
.
Check the
switch
assembly
to
make
sure it is straight.
If the assembly
is
straight
, so
lder the
othP.r
switch luqs.
PARALLE
L
,.----,,,
. . r ( r - ~ ~ ~
_l
E::::~:::~~~:::-;::::=t
BOARD
L
~
A
~ n
( }
Prepare
a
3
-3/4" bare wire by re-
1/Y
ul
c.
moving
all
the
insulatio
n
from a
L
I
L
L
L
/J
l
' d ~
l===w=h=i=te=s
= o=li=d=w=i=re=·==:!:::=::::;-:/=.==I
tA
✓
Pass
this
bar
e 'w
ire through
lugs
and
7
of swi
tch
E, through
lugs
;,nd
7
of swi
t
ch
F, through
lugs
t.
and 4
of
switch
G, and
through lugs
1
and 4
of sw
itch H.
Solder each
lug
that the wire
passes
through.
~ Con nec
t
the
free end
of
this bare
wire
through hol
e
~
in
the
ci rcuit
hoard (S-1}
/j(Ji,,.d,...,.
1 "
'
~
HEATHKIT
~
;v®M#M#
The
steps
performed in this Pictorial are in
this
area
of the
circuit
board
.
PART
NUMBER
IDENTIFICATION DRAWING
PICTORIAL 2-10
3 ·
l /
2"
8
ROWN
-{
-j
2"
3"
4"
'
I
I
21
CONTINUE
Q
NOTE
:
In the following
steps,
(NS} means
not to solder the connection because other
wires will be added later.
" S-"
with a
number after it such as (S-3} means to
solder the connection. The number indi
-
cates
the number of wires
in
the connec-
tion
.
'r--
Connect a 3-1
/2"
white wire from
lug 2 of
switch
G
(S·
1} to hole S on
the
circuit
board
(
S·
1).
Connect
a
3·3
/
4" brown wire from
lug 5 of
switch
G (S-1) to hole T on
the
circuit
board (S-1
).
CIRCUIT BOARD CHECKOUT
Carefully inspect the circuit board for the
following
conditions.
(
)
Unsoldered connections
.
(
)
"Cold" solder connections.
(
)
Solder
bridges
between foil
patterns.
(
)
Protruding leads
which could
touch
together
.
(
)
Transistors for the proper
~
and
installation.
(
)
Electrolytic
capacitors
for
the
correct
position of the positive
(
+)
end
.
(
)
Switch
lugs
shorted
together by
protruding leads or too much
solder.
,
,I,
(y
Li
n,'e.,
t·
c.1- -
5"
6"
I
I
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