Front Panel Replacement Procedure; Removing And Replacing The A3 Front Panel Assembly - Keysight P937 A Series Service Manual

Removal and Replacement Procedures

Front Panel Replacement Procedure

Front Panel Replacement Procedure

Removing and Replacing the A3 Front Panel Assembly

Tools required
- T-8 TORX driver (set to 6 in-lb)
- T-10 TORX driver (set to 10 in-lb)
- 1/4-inch nut setter bit (set to 6 in-lb)
- 5/16 inch open end torque wrench (set to 8 in lbs)
- ESD grounding wrist strap
Removal Procedure
Refer to
1. Disconnect the power cord.
2. Remove SMA load (2x) 1250-4261 from the LO IN and LO OUT ports using
3. With a 1/4-inch nut setter bit, remove all the 5 dress nuts, follow by lock
4. With a T-10 TORX driver, remove the front handles (item 2) by loosening
5. Remove the flashhead screw (item 1) from the front panel with T-8 TORX
6. Slide the front panel over the test port connectors.
7. Disconnect the ribbon cable from the front panel power switch board.
When slide open the front panel and removing the ribbon cable, be careful
not to misplace the light pipe as this small part is easily fall off. Refer
Figure
Replacement Procedure
1. Reverse the order of the removal procedure.
2. When reinstalling the dress nut in step 3, make sure install in the sequences
Keysight P937xA PXIe Service Guide
Figure 5-4 for this procedure.
the 5/16 inch open end torque wrench.
washer and flat washer (item 3c, 3b and 3a) from the SMB connector.
the screws, on both ends until the handle is free of the analyzer.
driver.
5-5.
3a flat washer, follow by 3b lock washer and 3c dress nut. Secure with
1/4-inch nut setter bit set to 6 in-lbs.
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