Heathkit SB-401 Assembly Manual page 115

.
T4
RELATIVE
POWER ADJUST
FEEOTHROUGH
CAPAC'TOR Q
FIGURE2-2
CARRIER
NULL
APACITOR
BALANCED
. MODULATOR
TRANSFORMER
PIN E
(CONNECT
VTVM)
CARRIER NULL
CONTROL
ALe
PILOT
LAMP TW
LMO FREQ
.--
SHIFT COIL
.;
.
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•
•••
HETERODYNE
OSCILLATOR
TEST JACK
PIN 2
•• •• •••
I
I
NEUTRALIZING
CAPACITOR
I
I
BIAS
ADJUST
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29.0 DRIVER
GRID COIL
ON
CHASSIS
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DRIVER PLATE
COILS
DRIVER GRID
COILS
HETERODYNE
OSCILLATOR COILS