Figure 4-31 Replace The Backlight Inverter Board - Keysight 8990B Service Manual

4 Repair Guide
Disconnect these cables
Remove these two T10
screws
Figure 4-31
25 When replacing the inverter board, use the 5 in-lbs, T10 torx screwdriver to
26 To replace the touchscreen controller board (0960-2796), disconnect the
114
Replace the backlight inverter board
tighten the screws.
cables from the touchscreen controller board and remove the two T10 screws
as shown in Figure 4-32.
Backlight inverter
board
Keysight 8990B Service Guide