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Heath Heathkit SB-104A Manual page 60

Single sideband transceiver

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Page 1-58
CONVERTER CIRCUIT BOARD
S T A R T «
ert er ci rcu i t
boa rd (85-
as
shown.
R852: 5 6 0 (green-btue-black).
R851: 5 6 f (green-blue-black).
R864: 220 92 {red-red-brown).
NOTE:
When
you
install
a diode, always
match
the banded
end on the diode with
the b a nd mark o n the circuit board.
yr,,
w
¥
'
..
• . : : ; � ; ( '/ · ·
• ' .'
D851-0854: Four 1N2071
diodes.
th e
Solder t he
leads t o
foil and cu t
o ff t h e excess l ead lengths.
(INCs)
I
rrre
I
O
s
t
(cM)
2
3
S T E P - B Y - S T E P A S S E M B L Y
4
(#57-27)
PICTORIAL 4-1
2
3
I
I
I
I
I
I
7
6
'
4
I
I
I
I
I
I
I
I
10
1 f
C E
YI E A T H r T
C O N T I N U E <
p f
Install four .1
disc capacitors at:
c8 53.
C854.
€85 7.
C858.
disc.
€856: . 0 2 p F
FOR
GOOD
SOLDE
C O N N E C T I O N S ,
YOU
KEE
THE
S O L D E R I N G
IR&
TIP C L E A N ._
WI
E IT
OFTEN
,.,: ::_ •
- � � -
w
+&
H
A DAMP
SI 'O N G E
C L o T i =
Solder the leads t o t h e foil and cu t
o ff
e x cess
lengths.
the
l ead
:
6
6
I
I
I
I
I
I
I
I
'
'
1$
1 2
1 3
$ 4
'
MUST
­
7
I
I
I
'
16
4 7

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