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Chapter 6
Service and Repair
Type 2719 is designed and constructed to provide many years of safe, reliable operation. How-
ever, if the correct function or operating safety of the instrument is impaired, immediately
disconnect it from the mains source and secure it against unintended operation. For repair
contact your local Brüel & Kjær representative. Under no circumstances should repair be at-
tempted by persons not qualified in the service of electronic instrumentation.
WARNING: Disconnect all power from the amplifier before removing or replacing its
protective panels. Internal adjustments with mains power connected should only be carried out
by skilled persons who are aware of the hazards of dealing with live circuitry.
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