342 Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
Assembly Replacement
Front-Panel
Front-Panel
Tools Required
— T-20 driver
— needle-nose pliers
Removal Procedure
Refer to Figure 15-4 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to “Outer Cover” on
page 336, “Inner Top Cover” on page 338, and “Inner Bottom Cover” on
page 340.
3. With the signal generator on its side, disconnect W1 from the A3 RF
assembly by squeezing the cable connector and pulling the cable away
from the signal generator.
4. For N5166B, N5172B, and 82B instruments, place the signal generator flat
with the A2 Vector BBG assembly facing you and use the needle-nose
pliers to disconnect the following cables,
— W3 (I Input) from A2J15
— W4 (Q Input) from A2J16
5. Remove the chassis grommet before pulling W3 and W4 thru the chassis
(N5166B, N5172B, and 82B only).
6. With the signal generator upside down and flat, use the T-20 driver to
remove the four screws (1) from the sides of the chassis.
7. Slide the front-panel over the RF output connector.
8. Remove the front-panel.
Replacement Procedure
1. Reverse the order of the removal procedure.
The four screws that attach the front panel to the chassis are
recommended to be one-time use only hardware. These should be
replaced with new screws (0515-5844).
Before removing the front-panel from the signal generator, lift and
support the front frame of the signal generator.
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