HP 8560A, Руководство по обслуживанию

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n
To display the nominal frequency, press
(CAL), MORE, FREQ DIAGNOSE, LO FREQ .
Table 10-3. YTO Frequency in TEST Position
Roller Oscillator Frequency YTO Pretune Accuracy Nominal YTO Frequency
-104
to -93 MHz
MHz LO Frequency MHz
-93 to -73 MHz
MHz
LO Frequency
-73
to -65 MHz
MHz LO frequency -10 MHz
65
to 73 MHz
MHz
LO Frequency MHz
73
to 93 MHz
MHz LO Frequency
93 to 104 MHz
MHz LO Frequency -10 MHz
Troubleshooting Using the TAM
When using Automatic Fault Isolation, the TAM indicates suspected circuits that need to be
manually checked. Use Table
to locate the manual procedure.
Table lists assembly test connectors associated with each Manual Probe Troubleshooting
test. Figure illustrates the location of Al4 and Al5 test connectors.
A l 4 A l 5
FREQUENCY RF
CONTROL
J 2 3
J 1 7
J 16
( R E
V I
S
I O N
C O N N E C T O R )
S K 1 1 0 3
C O N N E C T O R )
Figure 10-3. Al4 and Al5 Test Connectors
Synthesizer Section