4: Repair Internal Assemblies — Main Chassis
134
I/O PCA
Preparation
1 Open the Case. See “Opening the Case” on page 90.
2 Remove the Main Chassis. See “Separating Main Chassis and Rear Case” on page 113.
3 Remove the I/O Assembly. See “I/O PCA” on page 134.
Removal
1 Remove the three M 3x10 screws with washers and unplug the connect cable.
2 Remove the I/O PCA from the I/O Assembly, see Figure 109.
Note the white foam pad on the other side of the I/O PCA.
Figure 109 I/O PCA
Replacement
1 Replace the new I/O PCA on the AC Power Socket Assembly.
NOTE: You can not order the AC Power Socket Assembly separately. If needed, order the I/O Assembly
(453564489191).
2 Tighten the three M 3x10 screws with washers. See Figure 109.
3 Install the I/O Assembly. See “I/O Assembly” on page 132.
4 Install the Main Chassis. See “Separating Main Chassis and Rear Case” on page 113.
5 Close the Case. See “Closing the Case” on page 149.
To Complete the Replacement
Run Performance Verification and Safety testing as described in the “Performance Verification”
chapter.
1
2
3
AC Power Socket Assembly
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