4-6
Assembly Replacement
Front Panel
Front Panel
Tools Required
• T-10 TORX screwdriver
• T-15 TORX screwdriver
• 5/16-inch open-end wrench
• long nose pliers (used for disconnecting wires from the daughterboard)
Removal
1. Remove the instrument cover. (Refer to "Instrument Cover" in this chapter.)
2. Remove the top cover by removing the 11 screws that secure it.
3. Disconnect A1W1, A3W1, and W10 from the motherboard (A14). To disconnect W10 you must first unlock the
mo
therboard connector by pulling out the locking mechanism (much like pulling out a drawer).
4. Disconnect W1, W2, W6, W7, and W8 from the daughterboard (A15).
5. If you have Option UN3 or UN4, disconnect W3, W4, and W5 from the data generator board (A8).
If
you have Option 1EH, disconnect W3, W4, and W5 from the baseband generator board (A7).
NOTE: The figure on the adjacent page represents an Option UN3 or UN4. Option 1EH is not
shown.
6. Disconnect W9 from the electronic attenuator/RPP (AT1).
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