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Step 17.
Reinstall the A19 Test Set Motherboard
1. For instructions, click the Chapter 7 bookmark "Removing and Replacing the A19 Test Set Motherboard" in
the PDF Service Guide
2. Connect new ribbon cable N5242-60006 from J213 to A24 mixer brick (2).
To see an image showing the location of the cable, click the Chapter 6 bookmark "Bottom Ribbon Cables and
Wire Harnesses, Standard 4-Port Configuration, Option 400" in the PDF Service Guide
Step 18.
Replace the 2-Port Front Frame with a 4-Port Front Frame
Before the front frame can be replaced, the items making up the back side of the front panel assembly must be
removed. For instructions on removing these items, click the Chapter 7 bookmark
A1-A3 and Other Front Panel Subassemblies"
page
8.
1. In the section
"Removing the A2 USB Board,"
2. In the section
"Removing the A1 Front Panel Interface Board and Keypad
3. In the section
"Removing the Power Switch Board and Power Button
4. Remove the braided gasket from the backside edges of the 2-port front frame and install it in the 4-port front
frame (N5247-20141).
5. Reassemble the front panel assembly with the new 4-port front frame (N5247-20141) by reversing the order
of the instructions previously followed.
Step 19.
Reinstall the Front Panel Assembly
For instructions on reinstalling the front panel assembly, click the Chapter 7 bookmark
Replacing the Front Panel Assembly"
Step 20.
Install the Front Panel Overlays
To see an image of the front panel overlay, keypad overlay, and power button overlay, click the Chapter 6
bookmark "Front Panel Assembly, Front Side, All Options" in the PDF Service Guide
Table 1 on page
8.
1. Remove the protective backing from the new front panel overlay (N5242-80003 for instruments without
option 029 or N5242-80012 for instruments with option 029).
2. Loosely place the overlay in the recess on the front panel.
3. Placing two fingers at the middle, press the overlay firmly onto the frame while sliding your fingers in
opposite directions towards the ends of the overlay. Repeat on all areas of the overlay.
4. Repeat steps 1-3 to install the keypad overlay (N5242-80005).
5. Repeat steps 1-3 to install the power button overlay (N5242-80007).
6. Repeat steps 1-3 to install the new nameplate (N5241-80001 for N5241A models or
1. See
"Downloading the Online PNA Service Guide" on page
26
1
.
in the PDF Service Guide
perform step 1 (the only step).
in the PDF Service Guide
1
. New parts are listed in
Assembly", perform steps 1 - 5.
Keypad", perform only steps 1 and 2.
1
.
6.
Installation Note N5242-90115
1
.
"Removing and Replacing the
Table 1 on
"Removing and
1
. New parts are listed in
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