EasyManua.ls Logo

Heathkit IG-4505 - Page 10

Heathkit IG-4505
54 pages
Save Page as PDF
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Page
10
feo
FIL
ATEEIT®
Position
the
circuit
board
as
shown.
Then
complete
each
step
on
the
Pictorial.
NOTE:
When
you
install
a
diode,
always
match
the
band
on
the
diode
with
the
band
mark
on
the
circuit
board.
A
DIODE
WILL
NOT
WORK
IF
(IT
IS
INSTALLED
BACKWARDS.
See
Detail
1-1A.
te
Install
eight
1N2071
diodes
(#57-27)
at
D9,
07,
010,
D8,
and
D5, D3,
D6,
D4.
(IMPORTANT:
THE
BANDED
END
OF
DIODES
CAN
BE
MARKED
IN
A
NUMBER
OF
WAYS.
BANDED
END
Detail
1-1A
/
y
Me
Ce
DO
ae
U\)
201:
BZT110A
zener
diode
(#56-48).
-€0)
02:
1N4149
diode
(#56-56).
(+)
Solder
the
leads
to
the
foil
and
cut
off
.
the
excess
lead
lengths.
&
)
R26:
51
Q
(green-brown-black).
Use
the
1/2-watt
resistor,
4)
R29:
1.5
82
(brown-green-gold).
R25:
10
Q,
1/4-watt
(brown-black-
black).
A)
R28:
470
2
(yellow-violet-brown).
OT
|
|
=
DO
R12:
470
Q
(yetlow-violet-brown).
R11:
470
2
(yellow-violet-brown).
R6:
1000
Q,
1/4-watt
(brown-black-red).
R5:
1000
Q,
1/4-watt
(brown-black-red).
R7:
1000
2,
1/4-watt
(brown-black-red).
R23:
820
22
(gray-red-brown).
R24:
220
2
(red-red-brown).
Solder
the
leads
to
the
foil
and
cut
off
the
excess
lead
lengths.
R27:
680
Q
(blue-gray-brown).
NOTE:
To
prepare
wires
as
in
the
following
steps,
cut
them
to
the
indicated
lengths
and
remove
1/4”
of
insulation
from
each
end.
When
bare
wire
is
called
for,
cut
a
blue
wire
to
the
indicated
length
and
remove
all
of
the
insulation,
————$—$—$<$<$
ET
——$——_—
T
(.-})
Prepare
the
following
wires:
3”
blue
1”
bare
(
)
3°
blue
wire.
B)
,
1”
bare
wire,
Solder
the
leads
to
the
foil
and
cut
off
R8:
1000
$2,
1/4-watt
(brown-black-red).
R3:
1000
2,
1/4-watt
(brown-black-red).
R4:
1000
2,
1/4-watt
(brown-black-red).
R9:
1000
Q,
1/4-watt
(brown-black-red).
R2:
470
Q
(yellow-violet-brown).
R1:
100
kQ
(brown-black-yellow).
PICTORIAL
1-1
FOR
GOOD
SOLDER
CONNECTIONS,
YOU
MUST
KEEP
THE
SOLDERING
IRON
TIP
CLEAN.
“ze
WIPE
IT
OFTEN
=¢4-
OE
WITH
A
DAMP
Kiccas
SPONGE
OR
CLOTH.
-
the
excess
lead
lengths.
(+)
Solder
the
leads
to
the
foil
and
cut
off
the
excess
lead
lengths.
oO
Y%
%
41
(INCHES)
2 3
4
5
6
7
fve
se
sve,
ve],
pt
tT
tt
tt
Lii,tei
toa,
|
brett
ns
A
a
Sn
an
Pn
ae
a
SL
Sn
SL
A
Sn
Se
a
a
oOo
5
+
(CM)
2 3
4
5
6
r)
9
10
"1
12
13
14
415
16
17

Related product manuals