Heathkit AA-1214 Assembly And Operation Manual page 23

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23
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Refer to Pictorial 3-2 for the following
~
t Refer to the inset drawing No. 2 on
steps. · · 1
~ ictori a 3-2 and mount the phone
d,..
Position the chassis upside-down as
shown. J/
1
C, .-:,~,,,, c.,
✓ ~
(J
o,,.._
.::_ jack to the front panel at BO. Use
~
~ a 3/8
11
1 ockwasher and a 3/8
11
nut.
f
Be sure to position the f1 at on the
jack as shown.
~
-----
-
--
~~!~~~~;1i~!,b!~~\1~~f=~~;:~'trans- c1,J~Pr; ~ _ the -follo;;-ng lengths of
former leads through grommet BB.
~
solid wire :
~
_ l
13'' brown
~
~~:!!~~~-~oth red and the red-yellow -- _ 15" white
3-1/2" black
transformer leads through grommet BC~ -
1
DTE: When you connect a wire
7 NOTE : When stranded wire is called for foil side of the circuit board, leave
"""t"as in the next step, cut the wire to th ' the insulation l/8
11
above the foil so .
;-length specified and remove 1/4" of that solder can flow around the bare
f insulation from each end. Then twist ~ire and f~rm a good connection. See
f
l
~ogether the fine wire strands and apply inset drawing No 3 on Pictorial 3-2.
Just enough solder to hold the wire
cA.. ·
strands together•
,I.
11
~
)
Connect the }3" brown wire from 1 u
2t,·t)o~)l-~
J.,
/2-¾
c~ 2 of phone jack BO (S-1) to hole E
¼ P~epare two 12-1/2" red stranded ,,~ on the circuit board (S-1).
..(>} ~ onnect the 15 11 white wire from lug
~,. l of phone jack BO (S-1) to hole A
y on the circuit board (S-1).
wires.
2!£ ACQ~
d,
!2%
J/
~
Prepar~ two 12-1 /2" black stranded
wires.
( -
~ ~ ..
Qt)
Position one end of both red
~
- osit,on t~e brown and white wires
stranded wires and both black /:':")\
&,,.J;""-=-
that were Just connected under the
stranded wires through grommet~ • -
~
transformer leads as shown.
for a length of 2 11
•
Then route the C>(.
wi r~s. under the chassis lip and
~
Connect the 3-1 /2" b 1 ack wire from
positi?~ e other ends through
9
~ lug 3 of phone jack BO (S-1) to hole
grorrme~
~
AG on the circuit board (S-1).
~ ( ) Take the amplifier circuit board
=
and pass the pushbuttons through
~
their holes i n the front panel.
9 - Mount the circuit board to the
~
chassis using 4-40 x 1/4
11
screws,
~ ~~-
6 lockwashers and 4-40 nuts as
~ own in inset drawing No. 1.
~ ~
~
T
¾ ½ ¼
0 1" 2" 3" 4" 5" 6"
... I ... , ... , .... ,
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F ,- R- 0 N _T _ P _A _N_ E
L -1
_ / ! CHASS I S
I
PICTORIAL 3-2