A1 Power Supply; Tools Required; Removal Procedure; Replacement Procedure - Keysight N5171B EXG Service Manual

Assembly Replacement

A1 Power Supply

A1 Power Supply

Tools Required

— T-10 driver

Removal Procedure

Refer to
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to
3. Remove the rear panel from the signal generator. Refer to
The rear panel must be removed so the power connector on the A1 Power
Supply can be disconnected from the A3 RF assembly without damaging
the connector pins.
4. Place the signal generator flat and upright with the front-panel facing you.
5. Using the T-10 driver, press the connector latch to disconnect B1W1 thru
6. If Option 660 is installed, disconnect the Aux Power Supply cable (2) from
7. Using the T-10 driver, remove the six screws (1) that secure the A1 Power
8. Remove the A1 Power Supply.

Replacement Procedure

1. Reverse the order of the removal procedure.
2. Recommended torque for all screws is 9 in–lbs.
3. Perform the post-repair performance tests that pertain to this
Keysight X-Series Signal Generators Service Guide
Figure 3-7 for this procedure.
page 168, and "Inner Top Cover" on page
(N5171B/81B)" on page
or "Rear Panel (N5173B/83B)" on page
B4W1 from the A1 Power Supply.
the A1 Power Supply.
Supply to the chassis.
replacement procedure, see
Operational Performance
170.
230, or "Rear Panel (N5172B/82B)" on page
236.
Chapter 4, "Post-Repair Procedures and
Verification".
"Outer Cover" on
"Rear Panel
232,
177