User`s guide

M3000A/M3046A/M3015A/M3016A Service Guide
6-2 Repairing the Instrument
Warnings, Cautions and Safety Precautions
• Do 127 disassemble the product past the point described in these procedures.
• +LJK9ROWDJH:DUQLQJ—Voltages dangerous to life are present in the Instrument when it is
connected to the mains Power Supply. Do not perform any disassembly procedures other
than Server and Extension removal with power applied to the Instrument. Failure to adhere
to this warning could cause serious injury or death.
• 5HVLGXDO+LJK9ROWDJH—There may be hazardous voltages stored in capacitors on the
Power Supply board even when the Instrument is not connected to the mains Power Supply.
High voltages are present on the Power Supply board for up to 20 seconds after disconnect-
ing the mains power cord so always disconnect the Power Supply cord and wait at least 20
seconds before removing or refitting the Power Supply board.
• %DWWHU\:DUQLQJ—Never insert a battery without the Power Supply board being present.
You may blow the battery fuse on the Connector Board.
• 3RZHU&RUG:DUQLQJ—Do not connect a mains power cord to a Power Supply that has
been removed from the Monitor.
Disassembly for the Monitor
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To remove the battery, do the following:
6WHS Slide the battery compartment door toward the rear of the Monitor, and open it
down.
6WHS Locate the battery extractor tape and pull it to disengage the battery socket.
6WHS Pull the battery out.
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You must remove the Power Supply to access the fuse.
To remove the Power Supply, do the following:
6WHS Remove the Measurement Server and, where present, the Measurement Server
Extension.
6WHS Remove the battery.