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.
1.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, "A2, A3, A4, and A5 Assemblies Removal,” steps 3 through 5.
2.Turn the HP 8560A @ switch on.
3.Set the WR PROT/WR ENA jumper on the A2 Controller Assembly to the WR ENA position.
4.Press ICAL), MORE 1 OF 2, SERVICE CAL DATA, COPY EEROM. The analyzer will store the contents of the EEROM into the program RAM.
5.Using a nonmetallic tool, carefully remove the defective EEROM.
6.Carefully install a new EEROM.
7.Press COPY TO EEHOM . The analyzer will store the contents of the program RAM into the new EEROM.
8.Turn the HP 8561B’s (LINE) switch off, then on, cycling the analyzer power. Allow the
9.If error message 701, 702, or 703 is displayed, press cm), MORE, and RECALL ERRORS . Use the STEP keys to view any other errors.
10.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 (MODULE), ADJUST to enter the adjust menu of the TAM.)
11.If error message 704 is displayed, press (SAVEI, SAVE PRSEL PK , and [PRESET).
12.If there are no errors after cycling the analyzer power, the EEROM is working properly, but the
13.Place the WR PROT/WR ENA jumper in the WR PROT position.
14.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.