Replaceable Parts 5
Keysight 53210A/53220A/53230A Assembly Level Service Guide 251
Contacting Keysight Technologies
Depending on where you are in the world, there are one or more ways in which
you can order parts or obtain parts information from Keysight Technologies.
– Outside the United States, contact your local Keysight Technologies sales
office as shown in the preface of this service guide..
– Within the United States, we encourage you to order replacement parts or
request parts information directly by telephone or mail from the Keysight
Support Materials Organization, using the telephone numbers or address listed
below. You can also contact your local Keysight Technologies Sales and
Service office as shown in the preface of this guide.
By telephone (in the United States):
– For parts ordering, use our toll-free number, (800) 227-8164, Monday through
Friday (except Holidays), 6 a.m. to 5 p.m. (Pacific Time).
– If you need a part in a hurry, an extra-cost Hotline phone ordering service is
available 24 hours a day. Use the toll-free number above at the times
indicated; at other times, use (916) 785-8460.
– For parts identification assistance, call us at (916) 783-0804.
– Our Parts Identification hours are from Monday through Friday, 6 a.m. to
5 p.m. (Pacific Time).
For mail correspondence, use the address below:
– Keysight Technologies
Support Materials Roseville
P.O.Box 1145
Roseville, CA 95661-1145
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