Tektronix WFM5250, Service Manual

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Important safety information
Do not disable the power cord grounding connection.
Power disconnect.
The power cord disconnects the product from the power
source. See instructions for the location. Do not position the equipment so that
it is dif
fi cult to operate the power cord; it must remain accessible to the user at
all times to allow for quick disconnection if needed.
Use proper AC adapter. Use only the AC adapter speci fi ed for this product.
Observe all terminal ratings.
To avoid fi re or shock hazard, observe all ratings
and markings on the product. Consult the product manual for further ratings
information before making connections to the product.
Do not apply a potential to any terminal, including the common terminal, that
exceeds the maximum rating of that terminal.
Do not operate without covers.
Do not operate this product with covers or panels
removed, or with the case open. Hazardous voltage exposure is possible.
Avoid exposed circuitry.
Do not touch exposed connections and components
when power is present.
Do not operate with suspected failures.
If you suspect that there is damage to this
product, have it inspected by quali fi ed service personnel.
Disable the product if it is damaged. Do not use the product if it is damaged
or operates incorrectly. If in doubt about safety of the product, turn it off and
disconnect the power cord. Clearly mark the product to prevent its further
operation.
Before use, inspect voltage probes, test leads, and accessories for mechanical
damage and replace when damaged. Do not use probes or test leads if they are
damaged, if there is exposed metal, or if a wear indicator shows.
Examine the exterior of the product before you use it. Look for cracks or missing
pieces.
Use only speci fi ed replacement parts.
Replace batteries properly.
Replace batteries only with the speci fi ed type and
rating.
Recharge batteries properly.
Recharge batteries for the recommended charge
cycle only.
Do not operate in wet/damp conditions. Be aware that condensation may occur if
a unit is moved from a cold to a warm environment.
vi WFM5250 Waveform Monitor Service Manual