2-16
Assembly Replacement
A2DS1 Display Backlight
A2DS1 Display Backlight
Tools Required
• T-10 driver
• small phillips screw driver
Removal Procedure
Refer to Figure 2-6.
1. Disconnect the power cord.
2. Remove the front panel. Refer to "Front Panel" on page 2-9.
3. Disconnect the A2DS1W1 cable from the A4 Inverter.
4. Disconnect the W8 ribbon cable from the A3 Power Switch by lifting the white tabs on the
connector.
5. Using the T-10 driver, remove the four screws (12) from the A3 Power Switch.
6. Remove the A3 Power Switch.
7. Using the T-10 driver, remove the ten screws (11) that secure the RFI shielding (10) to the front
panel.
8. Remove the metal shielding.
9. Using the T-10 driver, remove the four screws (9) that secure the A2 Display to the front panel.
10. Remove the A2 Display.
11. Using a small phillips screw driver, remove the screw (1) that secures the cover (2) over the
A2DS1 Display Backlight.
12. Remove the A2DS1 Display Backlight.
Replacement Procedure
NOTE When replacing the A2DS1 Display Backlight make sure the reflective paper is
behind the light.
• Reverse the order of the removal procedure.
• Torque all T-10 screws to 9 in-lbs.
• Perform the post-repair adjustments and performance tests that pertain to this removal
procedure.
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