Keysight Technologies 53210A, Руководство по обслуживанию

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4 Retrofitting Options
224 Keysight 53210A/53220A/53230A Assembly Level Service Guide
17 Re-install the T20 TORX screw removed in step 6 above.
18 Re-install the processor board on the underside of the motherboard (removed
in steps 2-4 above) as follows (refer to Figure 4-9 ):
– Insert the rear left-hand corner of the PC board in the horizontal slot (as
viewed from above) and then line up the edge connector pins on the PC
board with the edge connector on the underside of the front panel.
– Press in carefully on the rear edge of the PC board until the edge
connector tabs lock into place.
– Install the T10 TORX screw through the hole in the P500 board into the
standoff on the motherboard (screw removed in step 2 above).
19 Turn the chassis upright. Install the Option 106 or 115 Channel 2 assembly as
follows:
20 Remove the T20 TORX screw at the rear of the motherboard.
21 Connect one end of the supplied 40-pin ribbon cable to J900 on the
motherboard. Connect the other end to J401 on the underside of the Channel
2 assembly.
22 Set the Channel 2 assembly down on top of the motherboard so that the
female SMA edge connector is near the male SMA connector of the
semi-rigid cable installed on the front panel assembly (see Figure 4-13 ).
NOTE
Be sure that the right-hand side tab (see step 8 above) locks the side panel in
place. It may be necessary to gently press outward on the right-hand side panel
until the tab locks into place.
NOTE
Verify that the processor board is parallel horizontally with the motherboard. The
rear left-hand corner must sit on top of the small standoff inside the slot.
NOTE
The front flange on the right-front of the Channel 2 assembly bracket must rest
on the tab protruding from the front panel (see Figure 4-13 ).