400 Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
Assembly Replacement
B1 through B4 Fans
B1 through B4 Fans
Tools Required
— T-10 driver
— T-20 driver
— needle-nose pliers
Removal Procedure
Refer to Figure 15-39 and Figure 15-40 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. Place the signal generator flat with the A2 Vector BBG assembly facing up
and the front-panel facing you.
4. Remove W10 at the A1 Power Supply to gain access to the fan cables.
5. Using the T-10 driver, press the connector latch to disconnect the fan
cable (1) from the A1 Power Supply.
6. Use the T-20 driver to push the rivet (2) out until you can remove it with
your fingers.
7. Remove the fan, releasing the fan cable from the cable clips.
Replacement Procedure
1. Reverse the order of the removal procedure.
If you are replacing the B1 Fan, remove the A1 Power Supply. Refer to “A1
Power Supply” on page 345.
To re-install the rivets, use the needle-nose pliers to depress the rivet tip
before inserting it into the chassis hole.
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