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Eico HF-20 Instruction Manual page 10

High fidelity

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MAIN
chassis
assembly
il
fl-An
'
Mou
l*°
c
#
k
A
h
wlth
*N®ld
iupports
XVI
& XV
2
as
*hown.
Use
ZASnzcz
2Xt
-
*
,
~
k
"— - -
'
4
Z
hex
nuta
end
too*!
Mwah
^u"
'l"""'
U
"
lwo
L
'
4
"
40
*
crew
*.
two
U
strip
TB9
und°
1
11
Mount
0
one
P°»*
right
with ground
terminal
T'b™
9
;
under
one loekw«her
at
one end
of socket.
See
insert
drawina
E
(
)
F,g.
1
Mount
socket,
XV4,
as
shown.
Use two #4~40
k™.
two #4
temfaal
sTip^W
4
und^T^T'
°
*****
tW °
r,
®
ht
wftb sround
(
)
Ftp.
I.'
Moon',
ft.7<SS
ne.
on.
fiber
flo,
wosher end
Z
flCiSL
Be
T
iZ
V t
rt
°°°!
M
*"
Ch
"*'*'
*•
drawing 51
**
«"d
(bur
<10 lockwrahea.
Mount
three
<10
(Tro
T
"u
er
*IT
°
f
*•
See
insert
drawing
A.
JJ.
Vh^isr
installed'
*d
Ik
^
^
*
?
*
#,
°
,od
'
w
«h®«-
Ut*
the
cable
clarlp
/
V
1,** U
,
nd
M
he
»
m
°°
nHn9
nut
,hown
te
8«*«r
the
4
leads referred to
above
"
™-
?£»
Pf*
«>*>
OnranJ
(
)
Fia
l
MZt
L
i
"I?
° ne 6 lockwa
*
her
P
er terminal
strip.
carefuHy
^
the^ position
oJ^
and
°
7
'
«
Not.
square) next
ta^l
f
**
J?
1
Code mark
®"
(Wangle,
semi-circle
and
slots in
the
chassis
and
tj*®
c ?P
aci,or
-
ln,#rt
tho
mounting
tabs into
the
NOT
(uiiet
-t
>
®
*
a
h*
somewhat
less
than a quarter
turn
DO
NOTtw.st
*e
tab.
excessively or they
will
shear
off.
screws*
*
twotf^hl
*?*' ®"dXV7as
shown. Use two
#6-32X3/8
screws,
two
r
6 hex
nuts
and two
'6
ioelrwntliAn
"tindl strip,
7B4, with
XVd.
See
in.
J
drJJi^E
°
°"
P
°"
^
PRELIMINARY WIRING
(
)
Fig.
1.
Twist the
two
green
leads
from the
power
transformer,
Tl,
and
connect
one
lead
to
R33-1 (C)
and
the other
to
R33"3
(C).
(
)
Fig.
1
.
Connect
a yellow
lead from
R33"1
(S) to
XV6-7
(C).
(
)
Fig.
1
.
Connect a brown
lead from
R33"3
(S) to
XV6-2
(C).
LIJ
**
1
:
s
Cut and
t
,trip
l
he
en<fe
of
onc
5
"
,en 8»h
of yellow wire
and one
5
length
of
brown
wire.
Connect one end
of the
yellow
lead
to
XV6-7
(S)
and one end
of the
brown
lead
to
XV6-2
(S).
Twist the
two
leads.
Connect
«d°ta
XV5-2°(C)
e
^
le
°d
XV5
'
7
(C>
° nd
tHe OHier °
nd °
f
fhe
brown
*
(
)
Fig.
1.
Following
the
above
procedure,
cutand
strip
a 6"
length of
brown
wire
and a
5"
length
of
yellow
wire.
Connect
the
yellow
lead
to
XV5"7
(S)
and
the
brown
lead
to
XV5"2
(S).
Twist the
two
leads.
Connect
the
yellow
lead
to
XV4-9
(C).
Pass
the
brown
lead through
XV4-5
(C)
to
XV4"4
(S).
(
)
Fig.
1
.
Following the
above
procedure, cut
and
strip
a 3"
length of yel-
low wire
and a
5"
length of
brown
wire.
Connect
the
yellow
lead
toXV4"9(S)
and
the
brown
lead
to
XV4"5
(S).
Twist the
two
leads.
Connect
the
yellow
lead
to
XV3-9
(C)
and
the
brown
lead through
XV3"5
(C)
to
XV3-4
(S).
(
)
Fig.
1
.
Following
the
above
procedure, cut
and
strip
a 5"
length of yel-
low wire
and a
5"
length
of
brown
wire.
Connect
the
yellow
lead
to
XV3-9
(C)
and
the
brown
lead
to
XV3-5
(C). Twist the
two
leads.
Connect
the yel-
low
lead
to
XV2"9
(S)
and
the
brown
lead through
XV2"4
(S)
to
XV2~5
(S).
(
)
Fig.
1
.
Following
the
above
procedure, cut
&
strip
a
7"
length of yel-
low wire
and a
7"
length of
brown
wire.
Connect
the
yellow
lead
toXV3-9(S)
and
the
brown
lead
to
XV3-5
(S).
Twist the
two
leads.
Connect
the
yellow
lead
to
XV1"9
(S)
and
the
brown
lead through
XV1"5
(S)
to
XVI
"4
(S).
L
Ik
Tw
!'L
t
!
,e
ye
,
M °
W
,ead
*
of
the
P° wor
transformer Tl
and connect
to
XV7-2
(S)
and
XV7-8
(C).
J*
F
!
S
/J-
J^L**'*
1
,ead
*
of
power
transformer
Tl
and connect
to
XV7-4
(S)
and
XV7"6
(S).
(
)
Fig. 1.
Connect
the
red-yellow
lead
and
the
bare lead of
the
power
transformer Tl
to
ground
lug
"F"
(S).
(
)
Fig.
1
.
Twist the red
and
red-yellow
leads
of the output transformer T2
and connect
to
TBS
(C).
(
)
Fig.
1.
Connect
a
blue lead from
TB8(C)
to
C26"2
(C).
(
)
Fig.
1
.
Twist the blue
and blue-yellow
leads of the
output
transformer T2.
Connect
the
blue
lead
to
XV6"3
(S)
and
the blue-yellow lead
to
XV6"4
(S).
JJ/
1
®*
1
1
1™!**
the,
brown and brown-yellow
leadsof the output transformer
Tl.
Connect
the
brown
leadtoXV5"3(C)and
the
brown-yellow
lead
to
XV5~4(S)
(
)
Fig.
1 .
Connect a 6
11
blue lead from TB5"1
(C)
to
C27-3
(C).
(
)
Rg.
1
.
Connect
an 8
M
blue lead from
TB5-3
(C)
to
C27-4
(C).
(
)
Fig.
1
.
Connect one
end of a
4"
blue
lead
to
TB4
(C).
Past
the other
end
thru
C26"3
(C)
and connect
to
C26"4
(C).
*

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