132 Keysight FieldFox Handheld Analyzers Service Guide
Repair and Replacement Procedures
Removing and Replacing the Front Panel Group Assemblies
7-
Replacing the A2 LCD, the LCD Shield, and LCD Cables
1. Perform the steps under “Pre-replacement Procedure” on page 130.
2. Refer to Figure 7-19. To replace the LCD shield:
a. Remove the four screws (1) that attach the LCD shield and discard
them. New screws are provided in the Repair and Re-assembly Kit.
b. Lift the LCD shield off of the A2 LCD.
c. Place the new LCD shield in position on the A2 LCD and secure it
with four new screws (1). These screws are provided in the Repair
and Re-assembly Kit.
3. To replace the LCD cables and the A2 LCD:
a. Disconnect the A2 LCD to A3 FPIB cable, W13, at the A2 LCD.
b. Note the location of the adhesive tape over the connector on the A2
LCD to A5 System board cable, W11. Remove the tape and
disconnect the cable.
c. Remove the A2 LCD from the front case.
d. Place the new A2 LCD in position and re-connect the cables.
e. Place a strip of adhesive tape over the LCD connector end of the A2
LCD to A5 System board cable W11, in the same location as the old
strip and as shown. A new strip of adhesive tape is provided in the
Repair and Re-assembly Kit.
f. Refer to Figure 7-19. Connectors CN3 and CN4, near the connector
for cable W13, should be covered by a strip of adhesive tape as
shown. If not, cut a strip of adhesive tape (provided) in half and
apply to each connector. Press down firmly on the tape to conform it
to the contours of the connectors and to ensure proper adhesion.
g. Reinstall the LCD shield with four new screws provided in the Repair
and Re-assembly Kit.
4. Perform the steps under “Final Assembly Procedure” on page 164.