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8. Turn the SC PHASE knob of a signal generator SG2
slowly in the direction of _90d (2). The vectormonitor
waveform at the moment when the oscilloscope CH-1
waveform appears in field 3, is defined as the wave-
form A.
b
B
9. Turn the SC PHASE knob of a signal generator SG2
slowly in the direction of 0d (3). The vectormonitor
waveform at the moment when the oscilloscope CH-1
waveform appears in field 1, is defined as the wave-
form B.
10. Adjust the RV801 and repeat steps 7 through 9 until
the specification [a = b] is satisfied.
11. Return the SC PHASE knob of a signal generator SG2
to the 0d position.
12. Turn the SC PHASE knob of a signal generator SG2
slowly in the direction of _90d (2). The vectormonitor
waveform at the moment when the oscilloscope CH-1
waveform appears in field 3, is defined as the wave-
form C.
D
d
13. Turn the SC PHASE knob of a signal generator SG2
slowly in the direction of 0d (3). The vectormonitor
waveform at the moment when the oscilloscope CH-1
waveform appears in field 1, is defined as the wave-
form D.
14. Confirm that [c = d].
MAV-555A
a
A
C
c
4-4. FM-81 Board Adjustment
4-7 (E)
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