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Maintenance
4-12
DPO4000 Series Service M anual
Troubleshooting
This section contains information and procedures to help you isolate a defective
module in a DPO4000 series oscilloscope.
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
Adjustment Procedures beginning on page 3 --1 for information about adjustment.
You need the following equipment to troubleshoot the instrument.
Tools and Equipment Example
DMM 3.5 or greater digit DMM
Adjustment A fter Repair
Required Tools and
Equipment