HP 8560A, Руководство по обслуживанию

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Procedure 15. EEROM
Removal/Replacement
Caution The EEROM is replaced with the power on. Use a nonmetallic tool to remove
the defective EEROM and install the new EEROM.
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9.
Turn the HP 8560A (LINE) switch off. Remove the analyzer’s cover assembly and fold out
the A2, A3, A4, and A5 assemblies as described in Procedure 5,
A3, A4, and A5
Assemblies Removal,” steps 3 through 5.
Turn the HP 8560A switch on.
Set the WR PROT/WR jumper on the A2 Controller Assembly to the WR
position.
Press
The analyzer will store
the contents of the EEROM into the program RAM.
Using a nonmetallic tool, carefully remove the defective EEROM.
Carefully install a new EEROM.
Press . The analyzer will store the contents of the program RAM into the
new EEROM.
Turn the HP 8561B’s (LINE) switch off, then on, cycling the analyzer power. Allow the
power-on sequence to finish.
If error message 701, 702, or 703 is displayed, press and
Use the STEP keys to view any other errors.
If error message 701 or 703 is displayed, perform Adjustment 9,“Frequency Response
Adjustment” in Chapter 2. (If a TAM is available, perform the module’s “Low Band
Flatness” tests. Press
to enter the adjust menu of the TAM.)
If error message 704 is displayed, press , and
If there are no errors after cycling the analyzer power, the EEROM is working properly,
but the frequency-response correction data might be invalid. Check the analyzer’s
frequency response.
Place the WR PROT/WR jumper in the WR PROT position.
Fold the A2 and A3 assemblies into the analyzer as described in Procedure 5, “A2, A3,
A4, and A5 Assemblies.” Secure the analyzer’s cover assembly.
3-50 Assembly Replacement