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Heath Heathkit SB-104A Manual page 82

Single sideband transceiver

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Page 1-80
IMPORTANT:
Follow
this
ONLY
you
were
furnished
tw o
i f
PT6619 tansistors (part #417-830).
on each socket so its lug can b e bent
over t o touch
t he appropriate foil shown
b y arrows A
B.
Phono socket a t L O W .
Phono socket a t HIGH.
foil
pa rt
(
)
U se a n ohmmeter t o make sure there
phone
socket
center
conductor and
Turn
t he
circuit
board
foil-side-down
perform th e n e x t three steps.
n,
(
)
904: 4 7 0
1 watt
(
)
R903:
2 2 0
92 ,
2-watt
(
)
902: .33 0, 2 - w a tt
silver-gold).
t he
(
)
Solder
t o t h e foil
o ff the excess l ead lengths.
Pictorial
type
+
t o
PICTORIAL 6-5
cu t
0
<>
4 IO
«
0
°
DODD
EESEE
G
E
C O N T I N U E
Cut
of
of
t h e f ou r l oa ds
e ac h
th e PT6619
transistors
(417-830)t0 3/16.
Mount
tr a ns l st or
is
threaded st u d a n d
l eads
on t h e
foll
slde
of the
Th e collector lead i s identified
l ett er "C" on th e
t op
of
the transistor.
f2,
will
b e used.
the
circuit

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