302 Chapter7
Replacing Major Assemblies
A1A1 Keyboard/Front-Panel Keys
A1A1 Keyboard/Front-Panel Keys
This procedure applies to:
8590 E-Series and L-Series spectrum analyzers
8591C cable TV analyzers
8594Q QAM analyzers
Removal
1. Remove the front frame from the analyzer. Refer to the “A1
Front-Frame Assembly.” removal procedure.
2. Place the front frame face down on the work surface.
3. Refer to Foldout 12-5 at the end of Chapter 12 to remove the
keyboard assembly.
4. Note that the front-panel menu key actuators are part of the display
bezel assembly and are not replaceable. If the menu keys are
damaged, replace the bezel assembly.
Replacement
1. Refer to Foldout 12-5 at the end of Chapter 12 to replace the
keyboard assembly.
2. Install the front frame to the analyzer. Refer to the “A1 Front-Frame
Assembly.” replacement procedure.