NAD 7250PE - Page 8

SUGGESTED
INSTRUMENTATION
HOOKUP
AUDIO OSC
26
100Hz
WITH BUILT-IN SWEEP
1E:
ST
1000A
DISTORTION METER
DISTORTION
INPUT OUTPUT
SCHEMATIC
DIAGRAM
OF
DETECTOR
PROBE
C1 D2
330p
Diodes should be point-contact
germanium;
Some
commonly
available types are: OA80
OA81
AA119
1N60
1N34
1N22
FROM
TUNER
IC
PICTORIAL
DIAGRAM
OF
DETECTOR
PROBE
R1 CENTER LEAD
TO PIN1
T E
IC
102
O
SCOP!
Keep leads as shortas possible, to
minimize
stray
signal
pickup.
\_SHIELD
TO TUNER GND.
AT FRONTEND