Heathkit SG-8 Assembly And Operation Manual page 13

(
(
Posi-
(
(
(
(
)
( )
( )
Mount the 1 KS2 control M in hole M, and position terminals as shown in Pictorial 3.
GROUND
PILOT
Figure 8
( )
Connect the other black wire to TB1 (NS).
( )
(
)
Connect a .01 gfd ceramic condenser from TB2 (NS) to the same solder lug (S).
( )
( )
Page 11
) Solder a 1 3/4 " length of shield braid directly on the chassis and sub-chassis as shown in
Pictorial 3.
) Mount the pilot light in the upper right panel hole, as viewed from the front. See Figure 7
for method of mounting.
) Mount the three shielded connectors in the holes marked AF IN, AF OUT, and RF OUT .
See Figure 8 for method of mounting.
) Referring to Pictorial 3, place a solder lug on the right hand spade bolt as viewed from the
bottom, add a 6-32 nut and tighten.
) On the left hand spade bolt, place a 2-lug terminal strip TD, a lockwasher and nut.
tion as shown in Pictorial 3.
Mount the two position EXT-INT modulation switch in hole K. Position terminals as shown
in Pictorial 3.
Mount the 1 megohm potentiometer L in hole L, and position terminals as shown in Picto ­
rial 3.
Connect a .01 iiid ceramic condenser from TB3 (NS) to the solder lug on the opposite side
of hole F (NS).
t
Connect either red wire from the transformer to the negative selenium rectifier terminal.
(The terminal nearest the chassis. ) (S).
Twist the two black wires from the power transformer together and connect either wire to
TB3 (NS).
LIGHT ASSEMBLY
Figure 7
Mount the three position attenuator switch N in hole N, and position terminals as shown in
Pictorial 3.
NOTE: The controls are mounted through both the chassis and panel and hold the panel to the
chassis. Refer to Figure for method of mounting controls. The controls are lettered the
same as the hole markings on Figure 6.
WIRING OF CHASSIS
NOTE: Exercise care when wiring chassis to avoid damage to E band coils.