Al4
R93
J23
7. YTO Adjustment
R42
R76
SP116E
Figure 2-14. YTO Adjustment Locations
11. Place the jumper on A14J23 in the NORM position (pins 1 and 2 jumpered).
12. Disconnect the SMA cable from the first LO OUTPUT jack and reconnect the
500
termination on the first LO OUTPUT.
YTO
FM
Coil
Adjustments
13. On the spectrum analyzer, press
[PRESET)
and set the controls as follows:
Centerfrequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..300MHz
Span
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...20 MHz
14. Adjust A14R76 FM SPAN
until the 300 MHz CAL OUTPUT SIGNAL is aligned with
I
center vertical graticule line.
;he
Adjustment Procedures 2-39
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