HP 8560A Service Manual page 228

405
RBW 10K
406
RBW 1OK
407
RBW 10K
408
RBW 10K
409 RBW 10K
410 RBW 1OK
411 RBW 10K
412 RBW 10K
413 RBW 10K
414 RBW 10K
415 RBW 1OK
416 RBW 10K Unable to adjust 10 kHz Resolution Bandwidth in Fourth XTAL pole.
417 RBW 3K
418 RBW 3K
419 RBW 3K
420 RBW 3K Unable to adjust 3 kHz Resolution Bandwidth in Fourth XTAL pole.
421 RBW 10K Unable to adjust 10 kHz Resolution Bandwidth in first XTAL pole.
422 RBW 1OK Unable to adjust 10 kHz Resolution Bandwidth in second XTAL pole.
423 RBW 1OK Unable to adjust 10 kHz Resolution Bandwidth in third XTAL pole.
424 RBW 10K Unable to adjust 10 kHz Resolution Bandwidth in Fourth XTAL pole.
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 ICAL) and FULL IF ADJ
IF ADJUST STATUS: AMPLITUDE,
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:
Center Frequency. . . . . . . . . . . . . . . . . . . . . . . . . . 10.7 MHz
Reference Level . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 dBm
3. Observe the spectrum analyzer display while pressing
on the spectrum analyzer. If a -35 dBm signal does not appear,
troubleshoot the A4 Cal Oscillator.
4. If a -35 dBm signal does appear, troubleshoot the A5 IF assembly.
Unable to adjust 10 kHz Resolution Bandwidth in first XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in second XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in third XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in Fourth XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in first XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in second XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in third XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in Fourth XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in first XTAL pole.
Unable to adjust 10 kHz Resolution Bandwidth in second XTAL pole.
Unable to adjust 10
Unable to adjust 3 kHz Resolution Bandwidth in first XTAL pole.
Unable to adjust 3 kHz Resolution Bandwidth in second XTAL pole.
Unable to adjust 3 kHz Resolution Bandwidth in third XTAL pole.
A4 Cal Oscillator might not be
FULL IF ADJ
General Troubleshooting 6-23