Removing/replacing inverter board – Texas Instruments EXTENSA 570CD User Manual
Page 73
6.5.15
Removing/Replacing Inverter Board
To remove and replace the inverter board assembly, perform the following
procedure:
c
Caution: Prior to removing the LCD bezel, ensure that the AC adapter
is disconnected and that all internal battery packs are removed. Fail-
ure to observe this precaution could expose you to dangerous high
voltages.
1.
Remove the top case assembly as described in Paragraph 6.5.8.
2.
Remove the main board assembly as described in Paragraph 6.5.13.
3.
Turn the main board over and lay on a flat surface.
4.
Unplug the speaker cable assembly connected to the display interface
board.
5.
Remove the four rubber screw covers and the four screws beneath the
covers.
6.
Pull on the inside edges of the bezel to remove it starting with the
bottom of the bezel.
7.
Disconnect the connectors at the top and bottom of the inverter board.
8.
Use a small Phillips-head screwdriver to remove the two screws
holding the inverter board to the plastics. Remove the inverter board.
9.
To replace the inverter board, reverse Steps 1 through 8.
Field Service 6-15