Eico HF-20 - Page 26

MODEL
HF
-
20
SUPPLEMENTARY
CONSTRUCTION
INFORMATION
k T At
?
f
u
rM,5h
?"
ond
co
P«*»°"r
"•
have
prepored
a
list
of
these
component,
with
E the viwolTun^J jf Lu^^
'"
d,cot
®
d
.^
h
®
re
,h
®
?
ar
'
b
«
color
coded)or
with
the
equivalent
numerical
values
£
*IT
*t L
^
JLrn LTiL- k T
d C
T
C
'*
n
V
(wh6re
the
L
part
value
is
nonna!|
y
printed
a, a
number).
Please
note
J
dwuseMtok^owh-Jst
|£i
9
-T ,
col
" cod
*d
^
b
“»
^e
their
values
and
rating,
printed.
'V*
rT?
at
5%
/J
0%
and
20%
ro
* ,s
or
* are
color
co
*d
»
whereas
1%
rest,
tom
have
their
value
printed;
aUo, that
mo ded
tubular
cap«Kitors
may
or
may
not
be
color
coded,
whereas
disc
capacitors
and
electrolytic,
will
always
have
their
values
printed
(rarely,
some
disc
capacitors
may
be
color
coded).
The
letter
K
following
the
value on a reri.to!
or
capacitor
Is a
multiplier
(X1000),
indicating
that
the
printed
numerical
value
must
be
multiplied
by
1000
to
obtain
the
any,
please
note
the
following
relationship
between
the
units
used
to
express
resistance
or
capacity.
1,000,000
ohms
(0)~
1000
kilohms
(KQ)
=
1
megohm
(MQ)
1,000,000
micro-micro
farads
(mmf)
=
1
micro
farad
(mf)
PARTS
IDENTIFICATION
LIST
Sym.
Description
Cl
C2
C3
C4
C5,17
C7,25,28
C8,23
C9
CIO,
11
12,13
C15
C18
09
C20
C21
C22
R1
./
W,43
\R22
R5
R6,8
R9
Rll
R12
R13,17
R25,26
R15,32
R16
R18
/R19,20
\R22
R23,24
R27,28
34,35
R29,
30
R36
R37
R38
*{
.22
mf
(red-red-yellow-black-yellow)
• 02mf
=
20,000
mmf
*=
20K
•
05
mf
(green-black-orange-black-yellow)
2200 mmf
*=
,0022mf
=
2.2K
3300
mmf
=
.0033mf
*
3.3K
.Imf
r
20
%
(brown-black-yellow-black-yellow)
. 02mf
=
20,
000
mmf
«
20K
5000
mmf
=
.005mf
«
5K
• 1 mf,
10
%
(brown—
black-yellow-white-yellow)
330 mmf
*
*00033
mf
5000
mmf
.005mf
=
5K
850mmf
*
.00085mf
500
mmf
®
.0005mf
2700
mmf
=
.0027mf
=
2.7K
47
mmf
=
.
000047
mf
56K,
10%
(green—
blue—
orange—
silver)
330K,
10%
(orange-orange-yellow-sllver)
33K,
10%,
1/2W
(orange-orange-orange-silver)
33K,
10%,
1W,
(orange-orange-orange-silver)
1*2K,
10%
(brown-red-red-silver)
68K,
5%
(blue-grey-orange-gold)
470IC,
5%
(yellow-violet-yellow-gold)
100K,
10%
(brown-black-yellow-silver)
3.3K,
10%
(orange-orange-red-silver)
10%,
1/2W
(yellow—
violet—
orange—
silver)
47K,
10%
(matched),
2W,
(yellow-vlolet-orange-sllver)
10K,
10%
(brown-black
-orange-si
Ivor)
470Q,
10%
(yellow-violet-brown-silver)
4.7K,
10%
(yel
low-viol
ei-red-sl
Iver)
22
K,
10%
(matched)
(red-red-orange-sllver)
22K,
10%
(red-red-orange-si
Iver)
470K,
10%
(yel
low-violeNyel
low-silver)
100K,
5%
(brown-black-yellow-gold)
IK,
10%
(brown-black-red^silver)
4.7M,
5%
(yellow-violet-green-gold)
560K,
5%
(green-blue-yellow-gold)
2.2M,
5%
(red-red-green-gold)
‘r
ck
*!^
'°
9
!'
her
«"
be
Jl*«naut^ed
from
on.
another
by Ih.
larger
phyclcel
,1,.
of
lh.ro-
of
larger
power
rating.
Al„,
all
matched
pain
of
rwlrtom
hoy.
been
placed
I,
.
.^t“C