
Instructions
TDSXF2C, TDSXF3C, TDSXF4C,
TDSXF1M2, TDSXF1M4,
TDSDFEM2 & TDSDFEM4
Upgrades
071-0375-02
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.
*P071037502*
071037502

Copyright E T ektronix, Inc. All rights reserved.
T ektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
Printed in the U.S.A.
T ektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of T ektronix, Inc.

Kit Description
Instruments
This kit includes parts and instructions for installing the TDSXF1M4,
TDSXF1M2, TDSXF2C, TDSXF3C, TDSXF4C, TDSDFEM2, and TDSDFEM4
upgrades into the oscilloscopes listed under Instruments. These upgrades must be
installed at a Tektronix service depot, Customer Care Center, or at the Beaverton
Metrology Center.
TDS Models
(All Serial
Numbers)
TDSXF1M2
Increased
Record
Length – 2 Ch
TDS 794D X X X
TDS 784D X X X X X
TDS 784C X X X X
TDS 784A X
TDS 782A X
TDS 754D X X X X X
TDS 754C X X X X
TDS 754C,
option 1G
TDS 754A X
TDSXF1M4
Increased
Record
Length – 4 Ch
X
TDSDFEM2
Increased
Acquisition
Length – 2 Ch
B030100
and above
Upgrades
TDSDFEM4
Increased
Acquisition
Length – 4 Ch
B030100
and above,
TDS 714L all
serial numbers
TDSXF2C
Communication
Signal Analyzer
TDSXF3C
Short Wave-
length Optical
Reference
Receiver
TDSXF4C
Long Wave-
length Optical
Reference
Receiver
TDS 744A X
TDS 724D X X X X X
TDS 724C X X X X
TDS 724A X
TDS 714L X
TDS 580D X X X X X
TDS 580C X X X X
Option 2C, 3C, 4C, 1M & 2M Upgrades
1

Kit Description
TDS Models
(All Serial
Numbers)
TDSXF1M2
Increased
Record
Length – 2 Ch
TDS 544A X
TDS 540D X X X X X
TDS 540C X X X X
TDS 540B/A X
TDS 524A X
TDS 520D X X X X X
TDS 520C X X X X
TDS 520B/A X
TDS 694C X
TDSXF1M4
Increased
Record
Length – 4 Ch
TDSDFEM2
Increased
Acquisition
Length – 2 Ch
B030100
and above
Upgrades
TDSDFEM4
Increased
Acquisition
Length – 4 Ch
B030100
and above,
TDS 714L all
serial numbers
TDSXF2C
Communication
Signal Analyzer
TDSXF3C
Short Wave-
length Optical
Reference
Receiver
TDSXF4C
Long Wave-
length Optical
Reference
Receiver
Kit Parts List
Quantity Part number Name & description
1 ea. 071-0375-02 Manual, Tech Instructions;TDSXF2C,3C,4C,1M
1 ea. NS Label
NS – Not Saleable
2
Option 2C, 3C, 4C, 1M & 2M Upgrades

Service Safety Summary
WARNING. The servicing instructions are for use by qualified personnel only. To
avoid personal injury, do not perform any servicing unless you are qualified to
do so. Refer to the General Safety Summary in the appropriate TDS service
manual before performing any service.
Kit Description
Do Not Service Alone
Avoid Exposed Circuitry
Use Care When Servicing
With Power On
Do not perform internal service on this product unless another person capable of
rendering first aid and resuscitation is present.
To avoid injury, remove jewelry such as rings, watches, and other metallic
objects. Do not touch exposed connections and components when power is
present.
Dangerous voltages or currents may exist in this product. Disconnect power,
remove battery (if applicable), and disconnect test leads before removing
protective panels, soldering, or replacing components.
Option 2C, 3C, 4C, 1M & 2M Upgrades
3