Chapter 6
101
Replacement Procedure
PPMC PCA Replacement
6. Re
placem
ent Pro
c
e
d
u
re
PPMC PCA Replacement
Tools Required
•
Torque screwdriver, TORX T20
•
Torque screwdriver, TORX T8
Removal Procedure
Refer to Figure 6-7 for this procedure.
Step 1.
Remove the 3/4 rack module top as described in “3/4 Rack Module Top Replacement” on
page 90.
Step 2.
Remove the four TORX T8 screws (item 1) fastening the PPMC PCA.
Step 3.
Remove the Angle CPU (item 2) from the PPMC PCA.
Step 4.
Disconnect the ground cable (item 3).
Step 5.
Carefully disconnect the PPMC PCA from A1 Mother Board.
Step 6.
Carefully disconnect the GPIB cable (item 4) from PPMC PCA.
Step 7.
Remove the USB gasket (item 5) from the PPMC PCA.
Replacement Procedure
Step 1.
Reverse the order of the removal procedure.
NOTE
When you fasten the PPMC PCA with the four TORX T8 screws, set screwdriver's torque
to 3 in-lb.
Summary of Contents for E4980A
Page 12: ...12 Contents ...
Page 60: ...60 Chapter4 Troubleshooting Performance test failure troubleshooting ...
Page 86: ...86 Chapter5 Replaceable Parts Replaceable Parts List ...
Page 126: ...126 Chapter6 Replacement Procedure Display Interface Replacement ...
Page 136: ...136 AppendixB Firmware Update Update the E4980A firmware using USB cable ...
Page 140: ...140 AppendixC Power Requirement Power Requirements Figure C 3 Power Cable Supplied ...
Page 152: ...152 AppendixD Error Messages Error number 45 ...