18 Installation Note N5225-90118
Installation Procedure for the Upgrade
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Step 7. Remove the A27 Mixer Brick Assembly
Remove the A27 mixer brick assembly from the PNA. For instructions, click the
Chapter 7 bookmark, “Removing and Replacing the A27 and A28 Mixer Bricks”
in the PDF Service Guide
.
Step 8. Assemble the A28 Mixer Brick Assembly
1. Follow the instruction shown in
. New parts are listed in
Figure 1
A28 Mixer Brick Assembly
Summary of Contents for N5224BU-617
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