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Eico HF-81 - Page 33

Eico HF-81
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BELOW CHASSIS WIRING
I.
jy;g,
6. F'om the powe' t,on,ro,mer,
n, connect one g'oon leod to
R64-
l (C) and the other green lead to R64-
3 (C).
2.
Fig. 6. Fold the
pot grounding lug over terminal #2 on R64. Solder
this lug to this terminal R64-
2 (S1).
3. (
/Fi9. 6. Connect
one end of a 4" piece of yellow wire to R64-
3 (C)
and one endofa 4"
piece of brown wire to R64-
1(C). Twist the wireslogether.
Connect t~e other end of the yellow wire to XV7-
4 (C) arid the other end of
the broW
j/wire to
XV7-5 (C).
4. ,
('-/ Fig. 6.
Connect one end of a 5" piece of yellow wire to R64~
(S3)
and one end of a 5" piece of
brown wire to R64-
l (S3). Twist the wires to-
gether. Connect the other end of the yellow wire to XVS-
4 (C) and the other
end of the brown wire to XVS-5 (C).
and one end of a 5" piece of brown wire to XVI0-
5 (S2). Twist the wires and
run along the chassIs as shown.
Connect the other end of the yellow wire to
XV9-4 (C) and the other end of the brown wire to XV9-
5 (C).
12. (\.....
Fig. 6. Conne!=t one end of a 4" piece of yellow wire to XV9-
4 (C)
and one end of a 5" piece of brown wire toXV9-
5(C). Twist the wires and run
along the chassis as shown. Connect the other end of the yellow wire to XV6-
4(C)
and the
ojher
end of the brown wire to XV6-
9 (C).
13.
(/
Fig. 6. Connect one end of a 7" piece
of yellow wire to XV9-
4 (S3)
and one end of a 7" piece of brown
wire to XV9-
5 (S3). Twist the wires and
run along t~e chassis as shown.
Connect the other end of the yellow wire to
XV2-4 (YJ and the other end of the brown wire to XV2-
9 (S 1).
" i
/ /
14. ()) Jig. 6.
Connect a 1/2" piece of bare wire from XV2-
4 (S2) to XV2-
5 (Sl).
15.
(0
Fig. 6
Connect a
1/211
piece of bare wire from XV6-
4(S2) to XV6-
5(C).
16. UJ Fig. 6
Connect one end of a 4 1/2" piece of
brown wire to XV6-
9 (S2)
and one end of a 3" piece of yellow wire to XV6-
5 (S2). Twist
the wires and
run along the
chassis as shown.
Connect the oth~r end of the yellow wire to
XV4-
4 (C) and the other end of the brown wire to
XV4-9(C).
17. (
~9.
6. Connect one end of a 2 1/2" piece of yellow wire to XV4-
4 (C)
and one end of a 5 1/2" piece of
brown wire to XV4-
9 (S2). Twist the wires
and run along the
chassis as shown.
Connect the other end of the brown wire
to XVl-
9 (S 1) and the other end
of the ye Ilow wi re to XVl-
4 (C)
lS. (\)iFig. 6
Connect a
1/211
piece of bare wire from XVl-
4 (S2) to XVl-
5(S 1).
(~/i9' 6. Connect a 1/2" piece of bare
wire from XV4
-;-
4 (S3) to XV4-
5(Sl).
20. ('1) Fig. 6. Connect one end of one 3 1/2" piece of yellow
wire to XV12
4 (C) and one end of a
second 3 1/2" piece of yellow wire to XV12-
5 (Sl).
Twist the wires and run along the
chassis as shown.
Connect the other end of
one of the yellow wires toXVl1-
4 (C) and the other end of the remaining yellow
wire to XV11-
5 (C).
21. (\~
Fig. 6.
From the power transformer, Tl,
twist the yellow leads and
run along the chassis as shown. Connect one lead to XV11-
4 (S2) and the
other
lead to XV11-
5 (S2).
5.
(\!) Fig.
. 6. Connect one end of a 4 1/2" piece of
brown wire to XV7-
.... (S2) ~nd one end of a 31
: piece of yellow wire to XV7-
4 (S2). Twist the leads
together. ,
Connect the other end of the yellow wire to XV5-
4 (C) and the other
end of the brown wire
(running along the
chassis as shown) to XV5-
9 (C).
6.
~I
Fig. 6. Run the twisted pair of
brown and yellow wires from hole "
along the
chassis as shown.
Connect the brown lead to XV5-9 (C) and
the
yellow lepd to XV5-
4 (C).
7. ( ~itg. 6. Connect a 1/2"
piece of bare wire from XV5-
4 (S3) to XV5-
5 (C).
S. (\)! Fig. 6.
Connect one end of a 4" piece of yellow
wire to XV5-5 (S2)
and one end of a 5 1/2" piece of
brown wire to XV5-
9 (S3). Twist the two
wires and run along the chassis as shown. Connect the other end of the yellow
wire
toiX~3-
4(C)
and the other end of the brown wire to XV3-
9 (S1).
9. (
iFf,.
6. Connect 0 1/2" p; ec. 01 b"'e w; ,.
"om XV3-4 (52) to XV3-5 (5 I),
10. (1
Fig. 6. Connect one end of
a 6" piece of brown wire to XVS-
5 (S2)
and one end of a 6" piece of yellow wire to XVS-
4 (S2). Twist the wires and
run along the
chassis as shown.
,Connect the other end of the brown wire to
XVI0-
9 (C) and the other end of the yellow wire to XVI0-
4 (C).
11.
J)
Fig. 6. Connect
" one end of a 5" piece of yellow wi
~e to XVlO-4 (S2)

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