Introduction
TDS 684A, TDS 744A, & TDS 784A Service Manual
xxi
Before You Begin
This manual is for servicing the TDS 684A and 7XXA Digitizing Oscilloscopes.
To prevent injury to yourself or damage to the oscilloscope, do the following
tasks before you attempt service:
H Be sure you are a qualified service person.
H Read the Safety Summary found at the beginning of this manual.
H Read Service Strategy in this section and Supplying Operating Power in
section 2.
When using this manual for servicing, be sure to heed all warnings, cautions, and
notes.