4-3
Assembly Replacement
Assemblies That You Can Replace
Assemblies That You Can Replace
This chapter provides removal and replacement procedures for the following assemblies:
• Instrument Cover
•Front Panel
• Front Panel (Option 1EM)
• Rear Panel
• Rear Panel (Option 1EM)
• A1 Front Panel Board
•A2 Display
• A2DS1 Fluorescent Lamp
• A3 Inverter
• A4 Power Supply
• A4 Power Supply (Option 1EM)
• A7 Baseband Generator Board (Option 1EH)
• A7 Baseband Generator Board (Options UN3 & UN4)
• A8 Data Generator Board (Options UN3 & UN4)
• A9, A11, and A12 Daughterboard Card Cage Boards
• A14 CPU/Motherboard
• A14BT1 Battery
• A15 Daughterboard
• A16 Line Module
• A17 Rear Panel Interface Board (Options 1EH, UN3, UN4)
• AT1 Electronic Attenuator/RPP
• B1 Small Fan Assembly
• B2 Large Fan Assembly
• W11, W12, and W14 Semi-Rigid Cables
After Replacing an Assembly
After you have replaced or repaired an assembly, certain performance tests and adjustments may have to be
performed. Chapter 5, "Post-Repair Procedures," lists the performance tests and adjustments required for
each assembly.
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