Heathkit AA-1214 Assembly And Operation Manual page 11

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START
NOTE : In the following steps, you will
install dual controls onto the tone circuit
board. Be sure all of the control lugs are
p11,ss1,cl into the circuit board holes as far
"' possible. Solder all the lugs to the foil as
each control is installed.
(Jj
Dual
control
25 kH
-
25 kH
(#12-125).
',;f. )
Dual
control
25 k12
-
25 kH
( # 12-124).
(IN
Dual
control
50 kll
-
50 k!2
( 11 12-123).
(./.)_
Dual control
50 kll
-
50 kH
(// 12- 123).
NOTE : Holes A, H, C, D, E, F, a nd G will
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later .
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PICTORIAL 1-3
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11
CONTINUE
V
CIRCUIT BOARD CHECKOUT
Carefully inspect the circuit board for the
following conditions.
( ) Unsoldered connections.
( ) "Cold" solder connections .
( ) Solder bridges between foil patterns.
( ) Protruding leads which could touch
together.
( ) Transistors for the proper installa-
tion.
( ) Electrolytic capacitors for the cor-
rect position o\ t r e positive (
+)
end.
( ) Set the tone circuit board aside
temporarily .
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