Keysight N9038A MXE Service Guide 639
Assembly Replacement Procedures
Front Frame Assembly
Display Assembly - CCFL Backlight
Removal
1. Remove the Inverter board and shields.
2. Refer to Figure 18-79. Remove the front panel shield by removing the four
screws (28) (0515-0372).
3. Disconnect the cable A1W2 (25) from the LCD Inverter board (13) and
unclip the cable from the cable clamps.
4. Refer to Figure 18-81. Disconnect the flex circuit A1W1 (1) from the front
panel interface board (4).
Figure 18-81 Display Removal - CCFL Backlight
5. Remove the two screws (2) (0515-0372) securing the display bracket (3)
to the Front Frame Assembly. The display can now be removed from the
Front Frame Assembly.
6. Refer to Figure 18-82. To separate the LCD (1) from the display bracket
(2), remove the four screws (3) (0515-0367). When reassembling, torque
the four screws to 5 inch-pounds.
Once the display assembly has been removed from the Front Frame Assembly, the glass filter is
no longer secured. DO NOT tip the assembly in such a manner that would cause it to fall out of
place, as this may cause injury and/or damage to the glass.
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