HP 70000 series - Page 316

User
Application
Errors
0001
{
0999
0044
Low/high band switch
Cause: The low/high band switch of the RF section is not functioning correctly.
Cure: This error occurs when a signal is detected in one setting of the high-low band coaxial
switch but not the other. This switch is the most likely cause of this error.Test and replace if
necessary.
0045
RF attenuator
Cause: The RF attenuator of the RF section is not functioning correctly.
Cure: Test and replace the RF Attenuator if necessary
0046
Step
gain amplifier
Cause:
The
gain
of the step gain amplier of the HP 70908A RF section is incorrect. This error
occurs
if
the
10 dB step gain amplier in the HP 70908A RF section fails its test.
Cure:
This
amplier is located in the last converter assembly of the HP 70908A RF section. The
last converter assembly should be tested and repaired as required.
0050
Res BW -- CF
Cause: The resolution bandwidth center frequency of one or more of the 70902A IF Sections is
out of adjustment.
Cure:
P
erform
the
HP
70902A
IF
section
Resolution Bandwidth Filter adjustments.
0051
Res
BW
--
CF
ampl
Cause:
The
resolution
bandwidth
of
one
or more of the HP 70902A IF sections is out of
adjustment.
Cure: Perform the HP 70902A IF section Resolution Bandwidth Filter adjustments.
0052
Res BW -- CF ampl
Cause: The resolution bandwidth center frequency of one or more of the HP 70903A
IF sections is out of adjustment.
Cure: Perform the HP 70903A IF section Resolution Bandwidth Filter adjustments.
Error Messages 6-9