Installation guide

Assembly Replacement
A2DS1 Display Backlight
2-12
A2DS1 Display Backlight
Tools Required
• T-10 driver
• small phillips screw driver
Removal Procedure
Refer to Figure 2-6 for this procedure.
1. Disconnect the power cord.
2. Remove the front panel. Refer to “Front Panel” on page 2-6.
3. Disconnect the W1 cable of the A2DS1 Display Backlight from the A4 Inverter.
4. If you have an A5 10 GB Hard Drive (Option 005), use the T-10 to remove the four screws (1) and lift the
hard drive from the display panel’s sheet metal.
5. Disconnect the W33 ribbon cable from the A3 Front Panel Auxilary Board by lifting the white tabs on the
connector.
6. Using the T-10 driver, remove the seven screws (2) that secure the RFI shielding (3) to the front panel.
7. Remove the metal shielding.
8. Using the T-10 driver, remove the four screws (4) that secure the A2 Display to the front panel.
9. Remove the A2 Display.
10.Using a small phillips screw driver, remove the screw (5) that secures the cover (6) over the backlight.
11.Remove the A2DS1 Display Backlight.
Replacement Procedure
NOTE When replacing the A2DS1 Display Backlight, make sure the reflective paper is behind the
light.
1. Reverse the order of the removal procedure.
2. Torque all T-10 screws to 9 in-lbs.
3. Perform the post-repair adjustments and performance tests that pertain to this removal procedure.