HP 8560A Service Manual page 306

3. Set the HP 8566A/B controls as follows:
REFERENCE LEVEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CENTERFREQUENCY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESOLUTION BANDWIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIDEO BANDWIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SWEEP TIME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRIGGER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. On the HP 8566A/B press (SHIFT), (trace A blank) to set detector to SAMPLE mode.
5. On the spectrum analyzer, press [m) and set the controls as follows:
CENTER FREQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6. On the spectrum analyzer, press (TRIG), SINGLE, (CAL).
spectrum analyzer. The IF signature is displayed on the HP 8566A/B display.
8. Compare the IF signature to the signature of a properly operating spectrum analyzer
illustrated in Figure 8-3. If the signatures do not closely resemble each other, a more
detailed view of the signature may show the failed hardware.
a. Set the HP 8566A/B controls as follows:
Sweep Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..O.~S
dB/DIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 dB
b. Simultaneously press I=) on the HP 8566A/B and
spectrum analyzer. Figure 8-4 through Figure 8-8 illustrate detailed IF signatures of a
properly operating HP 8560A.
9. Reconnect W27 (coax 3) to A5J5.
8-24 IF Section
300 kHz
300kHz
.2 MHz
ADJ CURR IF STATE
on the
Single
on the