Tektronix 4000 Series, Service Manual

Page: 50 / 78

Maintenance
4- 12
Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual
Troubleshooting
This section contains information and procedures to help you isolate a defective
module in the DPO4000 series or the MSO4000 series oscilloscopes.
WARNING.
Before doing this or any other procedure in this manual, read the
General Safety Summary
and
Service Safety Summary
found at the beginning of
this manual. Also, to prevent possible injury to service personnel or damage to
electrical components, read
Preventing ESD
on page 4--1.
If you replace the Main board, you must adjust the instrument after repair. Refer
to the
Adjustment Procedures
section
,
beginning on page 3--1, for information
about the adjustment.
You need the following equipment to troubleshoot the instrument.
Tools and Equipment Example
DMM 3.5 or above
Adjustment After Repair
Required Tools and
Equipment