HP 8560A, Service Manual

Page: 400 / 450

Caution
Use of an active probe, such as an HP with another spectrum
analyzer is recommended for troubleshooting the RF circuitry. If an HP
1120A Active Probe is being used with a spectrum analyzer, such as the HP
HP
and the HP having dc coupled inputs, either
set the active probe for an ac coupled output or use a dc blocking capacitor
(HP 11240B) b et
the active probe and the spectrum analyzer input.
Troubleshooting Using the TAM
When using Automatic Fault Isolation, the TAM indicates suspected circuits that need to be
manually checked. Use Table 11-2 to locate the manual procedure.
Table 11-l lists assembly test connectors associated with each Manual Probe Troubleshooting
test. Figure 11-l illustrates the location of
test connectors.
A l 4
FREQUENCY
CONTROL
( R
E V I S I O N
C O N N E C T O R )
J 7
J 1 7
J 1 5
A l 5
RF
C O N N E C T O R )
S K 1 1 1 4
Figure 11-l. Al4 and Al5 Test Connectors
11-2 RF Section