Service Manual MSO/UPO3000E Serials products
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Warning: To prevent electric shock, do not exceed the maximum measured value or maximum float voltage of the
oscilloscope input
Service Security Summary
The Service Security Summary section provides additional information needed to perform product services securely.
Only qualified personnel should perform service procedures. Before executing any service procedures, please read this
service security summary and the general security summary.
Avoid electric shock
Do not touch exposed connections.
Don't serve alone
Do not make internal servicing or adjustments to this product unless there are
others who can provide first aid and resuscitation.
Disconnect the power
To avoid electric shock, switch off the product and disconnect the power cord
from the mains before removing any covers or panels, or opening the case for
servicing.
Be careful when powering on for
repairs
Hazardous voltages or currents may be present in this product. Before removing
protective plates, soldering, or replacing components,
Disconnect power,
remove the battery (if applicable), and open the test switch.
Verify safety after repair
Always recheck ground continuity and power supply dielectric strength after
performing repairs.
Terms in the manual
These terms may appear in this manual:
Warning: A caution statement identifies conditions or practices that could result in injury or loss of life.
Notice: A cautionary statement identifies conditions or practices that could result in damage to the product or
other property.
Product terms
These terms may appear on the product:
•
DANGER indicates a hazard of injury that is immediately accessible when you read the sign.
•
A WARNING indicates a hazard of injury that is not immediately accessible when you read the sign.
•
CAUTION Denotes a hazard to property including the product.
Symbols on the product
When this symbol is marked on a product, it is important to consult the manual to understand the nature of the
potential hazards and any steps that must be taken to avoid them.
