Retrofitting Options
4
Keysight 53210A/53220A/53230A Assembly Level Service Guide
213
To Retrofit the 53210A (Channel 1) or 53220A/53230A
(Channels 1/2) Rear Panel Inputs (Option 201)
Option 201 rear panel channel 1/2 parts
Preliminary steps
1
Remove the instrument 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.
Item
Keysight part no.
Qty.
RF input cable
53200-61611
2
Cable clamp
1400-0116
4
Lock washer
2190-0699
2
Hex Nut
2940-0256
2
NOTE
Each single channel uses half of the listed quantities.
NOTE
Before proceeding with the installation, follow all the ESD steps as outlined in
the section titled
under the
at the beginning of Chapter
4 of this service guide.
NOTE
Refer as necessary to the illustrations in the section titled