N9927-90003
7-23
FieldFox Analyzer
Repair and Replacement Procedures
Removing and Replacing the Front Panel Group Assemblies
Replacing the A2 LCD, the LCD Shield, and LCD Cables
“Pre-replacement Procedure” on page 7-21
2. Refer to
. To replace the LCD shield:
a. Remove the four screws (item 1) that attach the LCD shield and discard them. New screws are
provided in the
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 (item 1).
These screws are provided in the
.
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
f. Refer to
. 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
“Post-replacement Procedure” on page 7-26
.
Summary of Contents for FieldFox MW N9913A
Page 8: ...Contents 4 Service Guide N9927 90003 Contents ...
Page 9: ...N9927 90003 1 1 1 Safety and Regulatory Information ...
Page 16: ...1 8 N9927 90003 Safety and Regulatory Information FieldFox Analyzer Regulatory Information ...
Page 17: ...N9927 90003 2 1 2 General Product Information ...
Page 27: ...N9927 90003 3 1 3 Tests and Adjustments ...
Page 37: ...N9927 90003 4 1 4 Troubleshooting ...
Page 50: ...4 14 N9927 90003 Troubleshooting FieldFox Analyzer Measurement Group Troubleshooting ...
Page 51: ...N9927 90003 5 1 5 Theory of Operation ...
Page 81: ...N9927 90003 6 1 6 Replaceable Parts ...
Page 95: ...N9927 90003 7 1 7 Repair and Replacement Procedures ...
Page 140: ...7 46 N9927 90003 Repair and Replacement Procedures FieldFox Analyzer Post Repair Procedures ...
Page 141: ...N9927 90003 8 1 8 General Purpose Maintenance and Service Procedures ...
Page 149: ...N9927 90003 Appendix 1 Appendix A ...
Page 156: ...Index 4 N9927 90003 Index ...