Heathkit SB-401 - Page 16

HETERODYNE
OSCILLATOR COILS
DRIVER GRID
cOoILs
COILS
G
a
<
m
a
BIAS
ADJUST
HETERODY
BaP
OSCILLAT
z
TEST
JACK
0O
NOT
ADJUST
LMO
FREQ
SHIFT COIL
CARRIER NULL
A
aa
PIN
E
BALANCED
CONTROL
(CONNECT
|
MODULATOR
CARRIER
TRANSFORMER
Mav
APACITOR
DRIVER PLATE
29.0 DRIVER
GRID COIL
ON CHASSIS
CON
NEUTRALIZING
CAPACITOR
oo
FEEOTHROUGH
CAPACITOR Q
RELATIVE
POWER ADJUST
T4
FIGURE 2-2