Heathkit IG-4505 - Page 12

Page 12
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NOTE: The .5% resistors you install in the
following steps may be shaped as shown below.
(>)
R15:
90
kQ,
5%.
fs) R16: 5000 2 (5 k), 1%.
R17: 4000 Q (4k), 1%.
(*) R18: 900 22, .5%.
( Nh R19: 902, 5%.
(4) R21:9., 5%
(jA R22: 192, 5%.
WI “Solder the leads to the foil and cut off
the excess lead lengths.
NOTE: When you install disc capacitors, do not
push the insulated portions of the leads into the
circuit board holes. This could make it difficult
to solder the leads to the foil.
INSULATION
_N
SSG [Sa]
INSULATION
(¥ ) C9: 10 pF ceramic.
{/) C5: .01 uF ceramic.
() C4: .01 wF ceramic.
(A) C3: .01 uF ceramic.
NOTE: When you install a tantalum capacitor,
always match the positive (+) or dot marked
side of the capacitor with the positive (+) mark
on the circuit board.
POSITIVE
\stcnit)
COLOR
DOT
i) C8: 15 uF tantalum.
(.) C1: 10 pF ceramic.
() ) C2: 47 pF ceramic.
PICTORIAL 1-3
{ ) Solder the leads to the foil and cut off
the excess lead lengths.
CONTINUE ©
(%) R13: 10 kQ,
orange).
1-watt (brown-black-
NOTE: As you install the following control,
solder the leads to the foil.
R14: 20 kQ control.
C6: .01 uF ceramic.
C7: .01 uF ceramic.
Y1: 4 MHz crystal.
Solder the leads to the foil and cut off
the excess lead lengths.