NAD 7100 Series - FM Alignment; FM Alignment Instrumentation

SUGGESTED INSTRUMENTATION HOOKUP- FM ALIGNMENT
OSCILLOSCOPE
t
t
i
i
i
|
' X INPUT
t
'
!
1
1
1
OSCILLOSCOPE FM GENERATOR
WITH BUILT-IN SWEEP
IE: ST 1000A
FREQ. COUNTER
DISTORTION METER
DETECTOR PROBE
PICTORIAL DIAGRAM
SCHEMATIC DIAGRAM
i
CENTER
LEAD
330p D2
OUT TO SCOPE c1 D2 » TO RCOBE
FROM TUNER >
TO PIN 1
Keep leads as short as possible, to
minimize stray signal pickup,
TO TUNER GND.
AT FRONT END
Diodes should be point-contact
germanium: some types commonly
GLUE.
available are: OA80
INDUCTOR TEST PROBE seen
BRASS, FERRITE 1N60
FERRITE FROM RF COIL. ie
THIN BRASS, obama FASTEN WITH
SEI IMTE RBCS 2.5mm APPROX
WOOD OR PLASTIC
8