Heathkit SB-401 Assembly Manual page 131

TO RECEIVER
ANT E N N A SOC K E
Figure 4-3
TO RECEIVER HIGH
IMPEDANCE OUTPUT SOOP.
©©
@
@
ANTENNA
EXT ANT RELAY
1 20 VA C
RCVR
ANT
@
@
@
@
RCVR
A UD I 0
@@
@
A©I
SPKR VOX
TO ANTENNA
TO
SPEAKER
TO KEY
TO AC OUTLET
KEY
~
120 VAC
I NP UT
@
TO RECEIVER
AUDIO OUTPUT
58-401
TRANSMITTER
S8-401 TRANSMITTER
CONNECTED TO RECEIVERS
OTHER THAN HEATHKIT
S8-303, S8-301 OR 58-300
Page 107