Maintenance and Service Guide

8. Remove the X-axis capacitor board (6) and cable.
Reverse this procedure to install the X-axis capacitor board.
Converter board
NOTE: The converter board spare part kit does not include the converter board cable or converter
board ribbon cable. The converter board cable and converter board ribbon cable are included in the
Cable Kit, spare part number 728048-001. See
Cable Kit on page 12 for more Cable Kit information.
Description Spare part number
Converter board 728067-001
Before removing the converter board, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see
Bottom cover on page 23).
5. Remove the rear cover (see
Rear cover on page 26).
6. Disconnect the battery cable (see
Hard drive on page 27).
7. Remove the cover bracket (see
X-axis capacitor board on page 33).
Remove the converter board:
1. Disconnect the converter board ribbon cable (1) from the low insertion force (LIF) connector on
the display assembly.
2. Disconnect the converter board cable (2) from the system board.
3. Release the converter board cable from the clips (3) built into the middle frame.
Component replacement procedures 35