Replacement Of The Display Driver Board, Inverter Board, And Lcd - Agilent Technologies 8564EC Service Manual

Replacement of the Display Driver Board, Inverter
Board, and LCD
Follow these steps to replace the A18 LCD assembly, the A17 display
driver, and the A17A1 inverter board.
If the line switch assembly has been removed from the front panel, it
NOTE
must be replaced before you replace the display driver and LCD
assemblies.
1. Place the front panel face down on your bench. The opening for the
2. If the LCD glass place has been removed, carefully insert the glass
The glass plate was originally placed in the LCD assembly in a clean
NOTE
room environment to ensure optimal performance of the LCD display.
Take all possible precautions to ensure that the glass plate is clean
before placing it in the LCD assembly.
3. Insert the LCD into the display mount. The LCD is correctly
4. Carefully lower the LCD bookplate onto the display mount. Ensure
5. Lower the LCD backplate and LCD assembly, as a unit, into the
Chapter 4
a. W60, the large ribbon cable (80 lines) that goes to J8 on the A2
controller board.
b. W61, a coax cable that connects to J10 on the A2 controller board.
c. W64, the VGA ribbon cable (10 lines), that goes to J1 on the rear
panel.
display will be on the right side of the front panel.
plate into the brackets on the front side of the rubber display mount.
Make sure that the side of the glass which has a broad silver border
(the left side, when facing the front of the display) is inserted into
the side of the mount that has larger brackets, into which the glass
plate will slide.
oriented when the small ribbon cable from the LCD extends through
an opening in the right side of the display mount, and the two
backlight cables extend through openings on the left side of the
mount.
that the ribbon cable on the right, and the two backlight cables on
the left, are inserted into the appropriate openings in the LCD
backplate.
display section on the right side of the A1 front frame chassis.
Procedure 2. A1 Front Frame/A18 LCD
Assembly Replacement
187