Eico HF-81 - Page 35

1.
Fig. 7.
From the power transformer
, Tl, connect the red-
yellow and
white I"ads to ground lug "A" (C) at the
power transformer.
2.
(IJ)
Fig. 7. From the power transformer
, Tl, twist the two red leads and
run along the chassis as shown. Connect one red lead
to XV12-
7 (C) and the
other red lead to XVll-7 (C). 3. ('
-(Fig. 7. Connect 01" pieceofbarewirefromXVl1-
1 (Sl)toXV11-
7(S2).
4. ("
) Fig. 7. Connect
a 1 "
piece of bare wire fromXVl2-
1 (Sl)toXV12-
7(S2)
5.
(,i
F,g. 7. Run the
twisted pair of grey and black leads
from hole "
along the chassis
as shown. Connect the grey lead to XFl-
l (C) and the black
lead to J16-:- 1 (C).
6 (
Fig. 7.
Cut both leads on a .
03mfd molded capacitor
, C40, to
and coverE!och with a
3/4"
piece of spaghetti. Connect one lead to XF1-
1 (S2)
and the other lead to ground lug "
A" (S3). Be
careful not to burn the leads
running near ground lug " 7. (
Fig. 7. .
From the power transformer Tl, connect
the black lead (near-
est ground lug "
) to J16-
2 (C).
V)
Connett remaining black lead on power
transformer, Tl, to
XF1-
(S 1).
9. (,
/)
Fig. 7. Connect the 350Q, 10
watt resistor
, R63, from TB6-
1 (C)
to TB6-
2 (C). Cut both
leads to , 1 1/4" and cover 'each with a 1'
1 piece
spaghetti.
10. (V) Fig. 7. Cut both leads on the
30mfd electrolytic capacitor, C38, to
1 1/2"
. Cover the positIve (+) lead with
1 1/4"
plece of spaghetti and connect
to TB6-2 (C). Connect the
negative lead to ground lug
" B" (S 1) on
XV12.
11. (d
Fig. 7.
Connect a 1/2" piece of
bare wire from XV12-
3 (C) to
XV12-
4 (C).
12. (,0 Fig. 7.
Connect a 3" piece of red wire fromXV12-
4 (S3) to TB6-
1 (C).
13. ('\.
/Fig. 7. Cut the
positive (+) lead on the 30mfd electrolytic capacitor
C39, to
1 1/2"
. Cover with a 1 1/4" piece of
spaghetti and connectto XV12-
3 (S2). The other lead
will be connected later.
14. (\
hi9'
7. Connect a 6" piece of
orange wire from TB6-
2 (S3) to XV7-
9(C).
15. (trFig. 7.
Connect a 3/4" piece of bare wire from TB6-
1 (C) to XV11-
3 (S 1).
16. (w) Fig. 7. Connect a 7" piece
of orange wire from XV7-
9 (S2) to XV9-
9 (C).
17. (\,
YFig. 7. Connect a 6"
piece of orange wire fromXVa-
9 (Sl) to TB5-
1 (C).
18. (\.J Fig. 7. Connect a 3" piece of orange wire
from XVI0-
9(C) to XV9-
9(S2).
19. (yYFig. 7. Connect a 1" pieceof bare wire
from TB5-
1 (C) to XVlO-
9 (S2).
20.
(1/1 Fig. 7.
ConneCt a 4 1/2"
piece of orange wire from TB5-
2 (C) to
TB 18-
2 (C).
21. (~
i9 7. Cut both
leads on a 4. 7KQ (yellow, violet
, red
, silver) 2 watt
resistor
, R62, to
3/4"
Connect from TB5-
1 (S3) to TB5-
2 (S2).
22. ~/)
Fig. 7.
XV7-3 (C). 23. (\)lFig.
to XV9
3 (C).
Connect a 3 1/2" piece of yellow wire
from XV8-
3 (C) to
Connect a 3 1/2" piece of yellow wire
from XV10-
3 (C)
24. r)
Fig. 7. Connect an
81/2" piece
of red wire from TB5-
3 (C) to TB6-
1 (S4).
25. (....
)' Fig. 7.
Connect the black wire from hole "
U" to TB7-
1 (C).
26. (;) ,
Fig. 7. Connect
the green wire from hole li
T" to XV3-2 (S
1).
27. (vi/Fig.
7. Connect the
yellow wire from hole "
U" to TB8-
1 (C).
28.
(V)
Fig. 7. Connect a 3 1/2" piece of black wire from TB7-
1 (C) to TB8-
2 (C).
29. (\J
Fig. 7. Connect the
outer shield from the single conductor shielded
cable (from hole "
) to TB7-
1 (C) and the inner conductor of the some cable
to TB7-
2 JC).
30.
('0.1
Fig. 7.
Strip back the outer
insulation 3/4"
from one end of a 8"
piece of single conductor shielded cable.
Twist the shield strands together.
Strip the insulation on the inner conductor back 1/4"
. Connect
the shield to
TB7-
1 (C) and the inner conduCtor to TB7-
2 (C). On the other end of the same
cable, strip the outer insulation back 1/2"
. Twist the shield strands together.
Strip the insulation on the inner conductor back 1/4"
Connect the shield to
J14, 15-
1 (Sl) and the inner conductor to J14, 15-
2 (Sl).