4 Retrofitting Options
220 Keysight 53210A/53220A/53230A Assembly Level Service Guide
Channel 2 front panel retrofit procedure (53210A)
1 Remove the front panel assembly as follows:
2 Turn the chassis upside down. On the bottom of the motherboard, remove the
T10 TORX screw that secures the smaller Processor board to the motherboard
(see Figure 4-9).
Figure 4-9 Processor printed circuit board
3 Note how the left rear corner of the processor board fits into its slot (above
the small plastic standoff inside the slot) to hold the board horizontal. Press
the two tabs securing the edge connector of the processor board to release
the board.
4 Remove the processor board carefully from its connector and set it aside in a
safe location on the ESD mat.
Read each instruction step in its entirety, while examining the hardware and
referring to the appropriate figure(s), before proceeding with the step. This will
acquaint you completely, in advance, with the action to be performed. The
actions in some steps must be accomplished simultaneously to succeed. Read
all nearby NOTES carefully.
Motherboard
T10
Screw
Front
Panel
Processor
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