Heathkit AA-1214 Assembly And Operation Manual page 33

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PICTORIAL 4-2
SN AP - I N
BEA RI NG
Position the tone circuit board in
the chassis as shown.
Connect the white wire coming from
hole Pon the amplifier circuit
board to hole Fon the tone circuit
board (S-1).
(~) Connect the brown wire coming from
hole Ron the amplifier circuit
·board to hole G on the tone circuit
board (S-1).
Connect the brown wire coming from
hole Q on the amplifier circuit
board ·to hole Eon the tone circuit
board (S-1).
Connect the inner lead of the green
shielded cable to hole D (S-1) and
the shield lead to hole"-C (S-1) on
the tone circuit board.
~ ) Connect the inner lead of the blue
shielded cable to hole B (S-1) and
the shield lead to hole A (S-1) on
the tone circuit board.
Refer to Pictorial 4-2 for the following
steps.
( ~ Take the four snap-in bearings.
Install one bearing on each large
hole in the front panel.
Position the tone circuit board foil-
side-up as shown. Then insert the
control shafts through the front
panel. Secure the circuit board with
six No 6 x 1/4 11 sheet metal screws.
Check the foil side of the circuit
boards for unsoldered connections,
solder bridges and long leads . Cut
off any excess lead lengths.
NOTE: Holes AB, AC and U on the
amplifier circu i t boa r d will not be
used.