HP 8560E Service Manual page 314

Spectrum analyzers
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Errors 405 to 416: When these 10K resolution
bandwidth (RBW) error messages appear, use the
following steps to check for errors 581 or 582.
1. Press
2. Press
observe the lower right-hand corner of the display
for 10 seconds.
3. If ERR 581 or ERR 582 appears, the fault is most
likely caused by the cal oscillator. Refer to errors 581
and 582.
4. If ERR 581 or ERR 582 does not appear,
troubleshoot the A5 IF assembly.
Multiple IF Errors During IF adjust: If a FULL IF ADJ
sequence (pressing
errors while displaying IF ADJUST STATUS:
AMPLITUDE, the cal oscillator on A4 might not be
providing the correct output signal. Perform the
following steps:
1. Disconnect W30 (white) from A5J4.
2. Connect W30 to the input of a second spectrum
analyzer and set its controls as follows:
3. Observe the spectrum analyzer display while
pressing
ADJ
does not appear, troubleshoot the cal oscillator on
A4.
4. If a −35 dBm signal does appear, troubleshoot the A5
IF assembly.
405 RBW 10K Unable to adjust 10 kHz resolution bandwidth in first
crystal pole.
406 RBW 10K Unable to adjust 10 kHz resolution bandwidth in
second crystal pole.
407 RBW 10K Unable to adjust 10 kHz resolution bandwidth in third
crystal pole.
408 RBW 10K Unable to adjust 10 kHz resolution bandwidth in fourth
crystal pole.
409 RBW 10K Unable to adjust 10 kHz resolution bandwidth in first
crystal pole.
Chapter 6
System Analyzer Programming Errors (100 to 150)
to turn the spectrum analyzer off.
LINE
to turn the spectrum analyzer on and
LINE
and
CAL
Center Frequency ........................ 10.7 MHz
Reference Level ............................. −30 dBm
FULL IF
on the spectrum analyzer. If a −35 dBm signal
General Troubleshooting
) results in IF
FULL IF ADJ
313

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