Heathkit AA-1214 - Page 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 ... , ... , .... , _.,_.,,tr-_.__ _ _..t -....J--J.1--L---.J.l __ .1.-_.JIL_..1.-_..Ll ----'--_JI
;3
,..,I F ,- R-0 N_T_ P_A_N_E L -1
_/ ! CHASS IS I
PICTORIAL 3-2