Replacing The Backlights; Replacement Of The Line Switch; Replacement Of The Keyboard - Agilent Technologies 8564EC Service Manual

Replacing the Backlights

1. If the LCD or backlights have not been removed from the front
2. Carefully grasp the end of the replacement backlight cartridge
Whenever there is a need to replace a single backlight, both backlights
NOTE
must be replaced.
3. Insert the LCD into the display mount. The LCD assembly is
4. Follow steps 4 through 17 of

Replacement of the Line Switch

After you have replaced the A1 front frame assembly you can replace
the line switch by following these steps (note that the line switch must
be replaced before the LCD and display driver can be replaced):
1. Insert the line switch into the A1 front frame assembly. Insert the
2. Insert the screw (0515-0430) that secures the striped green and
3. Carefully insert the green LED from the top-center of the line switch

Replacement of the Keyboard

1. Insert the seven screws (0515-1934) that secure the front frame PC
2. Connect the RPG cable to the RPG connector on the front frame PC
Chapter 4
frame, follow the procedures outlined in
Frame" on page 180,
Board, and LCD" on page
page 183, as needed.
(2090-0380), which is attached to the backlight cable, and insert the
backlight into the backlight slot at the top of the LCD. Repeat for the
backlight located at the bottom of the LCD.
correctly oriented when the small ribbon cable extends through an
opening in the right side of the display mount.
Board, Inverter Board, and LCD" on page
replacement of the LCD into the front panel. Follow the instructions
in "Replacement of the Front Frame" on page
front panel in the front frame.
two screws (0515-1521) that secure the line switch to the front
frame.
white ground cable for the line switch (this screw also secures the
ground for the power probe; if the black cable from the power probe
cable assembly is not secured to the ground, secure it also).
assembly into the LED opening in the A1 front frame assembly.
board to the A1 front frame assembly. Use a T-8 TORX driver.
board.
Procedure 2. A1 Front Frame/A18 LCD
"Removal of the Front
"Removal of the Display Driver Board, Inverter
182, and "Removal of the Backlights" on
"Replacement of the Display Driver
Assembly Replacement
187, to complete
185, to replace the
189