Installation Note N5222-90114
67
Installation Procedure for the Upgrade
Step 38. Reinstall the A19 Test Set Motherboard
For instructions on reinstalling the board, click the Chapter 7 bookmark
“Removing and Replacing the A19 test set motherboard” in the PDF Service
Guide
Step 39. Install Cables on the A19 Test Set Motherboard
Install the following ribbon cables. To see an image showing its locations, click
the Chapter 6 bookmark “Bottom Ribbon Cables and Wire Harnesses, 4-Port,
Option 405,
<
6021” in the PDF Service Guide
1
. New parts are listed in
— (reuse) N5242-60006 A19 test set motherboard J212 to A23 mixer brick (1)
— N5242-60006 A19 test set motherboard J213 to A24 mixer brick (2)
Follow instructions carefully when making cable connections, especially
wire harness connections. Incorrect connections can destroy components,
resulting in additional customer costs.
1. See