User's Manual

TME Power Distribution Assembly – continued

Jun 2004 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU 9-71

DRAFT

Figure 9-26: PDA Location

ti–cdma–wp–00262–v03–ildoc–ah

PDA

Replacement Procedure

If desired, record the BTS and PDA serial number of the failed unit in

Table 9-68 at the end of this chapter.

Remove PDA

Follow the procedure in Table 9-41 to remove the PDA. See Figure 9-26

or Figure 9-27.

Table 9-41: Procedure to Remove PDA

Step Action

1 Notify operator that the PDA replacement procedure is starting and that alarms can be expected.

2 Disengage circuit breakers setting to “O” position.

3 Turn off DC power to the PDA.

4 On PDA disconnect power plug from connector. Proceed to step 6.

5 Use a screwdriver to loosen screws securing DC power wires to PDA.

6 Use a wrench to remove two nuts and washers securing ground lug to the PDA.

7 Loosen captive screws securing PDA to TME chassis.

table continued on next page