Retrofitting Options 4
Keysight 53210A/53220A/53230A Assembly Level Service Guide 207
To Retrofit the Internal Battery DC Power (Option 300)
Option 300 DC power input assembly parts
Preliminary steps
1 Remove the cover as follows:
2 To remove the counter handle, rotate the handle to the vertical (90 degree)
position and pull outward on the two side arms.
3 Using a T20 TORX screwdriver, remove the two T20 TORX screws securing the
rear panel bezel.
Item Keysight part no. Qty.
Battery charger PCB assembly 53200-66507 1
Battery 1420-0909 1
Y-Cable 53200-61602 1
Ribbon cable, 6-pin 53200-61603 1
Deck 53200-00601 1
Cover
53200-00602
1
TORX 10 screws 0515-0430 7
TORX 20 screws 0515-0433 2
Before proceeding with the installation, follow all the ESD steps as outlined
in the section titled Do This first under the Introduction at the beginning of
Chapter 4 of this service guide.
Refer as necessary to the figures in the section titled “To Remove the Cover and
Rear Bezel” on page 185 of this guide.
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