200 Chapter4
Assembly Replacement
Procedure 3. A1A1 Keyboard/Front Panel Keys
Procedure 3. A1A1 Keyboard/Front Panel
Keys
Removal
1. Remove the front frame from the spectrum analyzer. Place the front
frame face down on the bench. For 8564EC and 8565EC
instruments, follow the instructions in“Procedure 2. A1 Front
Frame/A18 LCD.”
Replacement
1. Install the rubber keypad, ensuring that the screw holes are visible
through the pad.
2. Place the A1A1 keyboard assembly over the rubber keypad. Secure
with nine panhead screws.
3. Connect the RPG cable to A1A1J2, and A1W1 to A1A1J3.
4.Install the front frame assembly. For 8564EC and 8565EC
instruments, follow the instructions in“Procedure 2. A1 Front
Frame/A18 LCD.”
2.Disconnect A1W1 from A1A1J3 and the RPG cable from A1A1J2.
3.RemovetheninescrewsholdingtheA1A1keyboardassemblytothe
front frame and remove the assembly.
4.Remove the rubber keypad.
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