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Heath Heathkit SB-104A Manual page 61

Single sideband transceiver

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ESE
G E
NOTE:
B ef o r e
y ou
install
a n
electrolytic
l ook
capa cit or ,
a t
a n d i d en tify t h e leads.
i t
(+)
On e
l e ad
wi ll
h a v e
a plus
m a rk
ht . Be
minus ( -)mark n ear
su re t o install the
positive
in the positive marked hole. B e
careful;
only the negative
lead
marked.
I D E N T I F I E D
I D E N T I F I E D
L E A D
L E A D
I S
( ­
P O S I T I V E
N E G A T I V E
( ­
M I N U S
M A R K
, ri) ;
a%kw
M A R K
( +
F
NOTE: T o install this transistor,
with
th e
beveled corners a s shown in the
i t
t he
th e
body
i s
from the circuit board
1/4"
a nd solder ea ch lead t o t h e foil. Cut o ff
� 3-
th e excess l e ad l e ngt h � .
N A R R O W
B E V E L
s r o + /i
(
)
0 8 5 1 :
MPSU05
transistor
(#417-224).
(
)
0862:
MPSU05
(#417-224).
o r
a
may b e
I S
( + )
$o
PICTORIAL 4- 2
Page 1-59
holes.
Solder
the
leads
to the
t he
Match
th e
transformer
colored lug t o the d o t on the circuit
board
and
insert
the
lugs
holes. Solder the lugs t o the foil and
cut
off th e ex cess wi r e end.
CIRCUIT BOARD CHECKOUT
board
Unsoldered connections,
"Cold"
N o
should
pr o per
(
)
Electrolytc capaci t or for th e corr ect
of
end.
the
positiv e
(+)
posi t i o n
end.
the
toil
in
the

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