NAD 1700 - FM Alignment Instrumentation Setup; Oscilloscope and FM Generator Use; Detector Probe Configuration

SUGGESTED INSTRUMENTATION HOOKUP — FM ALIGNMENT
WITH BUILT~IN SWEEP
1E: ST 1000A
SEEECE
FREQ. COUNTER
(IF NOT USING
SYNTHESIZED
FM GENERATOR)
DUMMY
ANTENNA
750
DISTORTION METER
ee
DISTORTION
OUTPUT
INPUT
SCHEMATIC DIAGRAM OF DETECTOR PROBE
C1 02
330p Diodes should be point-contact
FROM OUT germanium; Some commonly
TUNER Ico | TOSCOPE available types are: OA80
OA81
AA119
1N60
1N34
1N22
PICTORIAL DIAGRAM OF DETECTOR PROBE
R1 CENTER LEAD
TO PIN1 TO SCOPE
{C103
Keep jeads as shortas possible, to
TO TUNER GND. \. SHIELD minimize stray signal pickup.
AT FRONTEND