18 Installation Note N5247-90113
Installation Procedure for the Upgrade
-
3.
If all of the boards are version H or greater, proceed to
4.
If your boards are
not
version H or greater, remove the synthesizer boards
for upgrading:
For instructions, click the Chapter 7 bookmark “Removing and Replacing the
A4-A17 Boards” (i.e., refer to your PNA’s serial number prefix section) in the
PDF Service Guide
1
.
Save all mounting hardware (except the stabilizer bracket) for reuse.
Refer to
Appendix A:, “Synthesizer Board Upgrade (N5240-60074 (with
Tabs)/N5240-60076 (Without Tabs) Version F/G to Version H),”
Step 5. Remove the Front Panel Assembly
For instructions, click the Chapter 7 bookmark “Removing and Replacing the
Front Panel Assembly” in the PDF Service Guide
.
Step 6. Remove the A23 Test Set Motherboard
For instructions, click the Chapter 7 bookmark “Removing and Replacing the
A23 Test Set Motherboard” in the PDF Service Guide
.
Step 7. Remove the A24 IF Multiplexer (IF MUX) Board
For instructions, click the Chapter 7 bookmark “Removing and Replacing the
A24 IF Multiplexer Board” in the PDF Service Guide
Save all mounting hardware (except the stabilizer bracket) for reuse.
IMPORTANT!
This step includes disconnecting and laying aside several
gray cables. Ensure that they are labeled.
1. See
“Downloading the Online PNA Service Guide” on page 8
IMPORTANT!
This step includes disconnecting and laying aside several
gray cables. Ensure that they are labeled.
Содержание N5247-60113
Страница 3: ...3 ...
Страница 4: ...4 ...
Страница 66: ...66 Installation Note N5247 90113 Installation Procedure for the Upgrade ...
Страница 67: ...Installation Note N5247 90113 67 Installation Procedure for the Upgrade ...
Страница 68: ...68 Installation Note N5247 90113 Installation Procedure for the Upgrade ...
Страница 75: ...Installation Note Xxxxx xxxxx 3 ...