Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide 377
Assembly Replacement
Key Pad
Key Pad
Tools Required
— T-10 driver
Removal Procedure
Refer to Figure 15-27 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. Remove the Rotary Pulse Generator (RPG) knob by carefully pulling it off
the shaft of the RPG.
4. Remove the front-panel from the signal generator. Refer to “Front-Panel”
on page 342.
5. Remove the A6 Front Panel Interface Scan assembly from the front panel.
Refer to “A6 Front Panel Interface Scan Assembly” on page 371.
6. Remove the LCD Display from the signal generator. Refer to “LCD Display”
on page 375.
7. Using the T-10 driver, remove the three screws (1) that secure the Side
Support to the front-panel frame.
8. Using the T-10 driver, remove the nine screws (2) that secure the Key Pad
and Key Pad Board to the front-panel frame.
9. Remove the Key Pad and Key Pad Board.
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 procedures that pertain to this replacement
procedure. See Chapter 16, “Pre and Post-Repair Procedures.”
Refer to Figure 15-28, “Key Pad Screws.” Hand start the two screws
labeled “A” and “B” until they are snug, then install the remaining ten
screws.
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