Advertisement
Description of this Upgrade
Step 3. Remove Some Cables (All Models) and Some Bottom Assemblies (Options 405,
420, and 425 Only)
Step 3a. Remove Some Cables (All Models)
1. Place the analyzer bottom-side up on a flat surface.
2. Remove the following cables. To see an image showing the location of
3. These cables may be discarded - they will not be reinstalled.
N5224/5B and N5244/5B: This same W51 reference designator is assigned
to the S7 upgrade cable N5240-20125.
the S7 upgrade cable N5240-20125.
Step 3b. Remove/Reinstall Some Bottom Assemblies and Old/New
Cables (LFE Models, With Options 205, and 220
IMPORTANT! If your box does not have of the LFE options installed, Option
205 or 220 skip this sub-step.
This step contains the following sub-steps:
—
—
—
—
A. Remove the A19 Test Set Motherboard
Refer to your Service Guide's "Removing and Replacing the A19 Test Set
Motherboard" section. Set aside all hardware for reuse.
14
these cables, click the Chapter 6 bookmark "Bottom RF Cables, Standard
2-Port Configuration [for your option]" in the PDF Service Guide
Remove one end of W51 (N5224/5B and N5244/5B)/W61 N5227B and
N5247B. The top-side end is disconnected in the
Top Cables" on page
— N5224/5B and N5244/5B: W51 (N5245-20101) A15 13.5 GHz (LO)
synthesizer board J1207 to A25 HMA26.5
— N5227B and N5247B: W61 (N5247-20110) A15 13.5 GHz (LO)
synthesizer board J1207 to A25 HMA26.5
N5227B and N5247B: This same W61 reference designator is assigned to
"A. Remove the A19 Test Set Motherboard" on page 14
"B. Remove Some LFE Board Flexible Cables" on page 15
"C. Install Some *New* LFE Cables" on page 16
"D. Reinstall Test Set Motherboard" on page 16
1. See
"Downloading the Online PNA Service Guide" on page
17.
1
.
"Step 4. Remove Some
5.
Installation Note N5225-90142
Advertisement
