2Service
108 Keysight 53210A/53220A/53230A Assembly Level Service Guide
– To obtain warranty, service, or technical support information you can contact
Keysight Technologies at one of the following telephone numbers:
– In the United States: (800) 829–4444
– In Europe: 31 20 547 2111
– In Japan: 0120–421–345
If you have questions relating to the operation of the Keysight 53210A, 53220A, or
53230A Counters, call 1-800-452-4844 in the United States, or contact your
nearest Keysight Technologies Sales Office as shown at the front of this service
guide.
Warranty
If your 53210A/53220A/53230A Counter fails within the warranty period, Keysight
will either repair or replace it free of charge. Call 1-877-447-7278 in the United
States (and ask for “Keysight Express”) or contact your local Keysight
Technologies Sales Office.
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